Domain blog.hsastack.com
United States
FASTLY
Software information

Varnish

tcp/80

openresty openresty

tcp/443

  • Open service 2a04:4e42::775:80 · blog.hsastack.com

    2026-01-26 00:10

    HTTP/1.1 301 Moved Permanently
    Connection: close
    Content-Length: 0
    Server: Varnish
    Retry-After: 0
    Location: https://blog.hsastack.com/
    Accept-Ranges: bytes
    Date: Mon, 26 Jan 2026 00:10:15 GMT
    Via: 1.1 varnish
    X-Served-By: cache-yyz4534-YYZ
    X-Cache: HIT
    X-Cache-Hits: 0
    X-Timer: S1769386216.681161,VS0,VE4
    x-request-id: ce37a94a-0b31-40c6-9cc8-e9092ab455bd
    Ghost-Fastly: true;production
    Alt-Svc: clear
    
    Found 2026-01-26 by HttpPlugin
    Create report
  • Open service 2a04:4e42:200::775:80 · blog.hsastack.com

    2026-01-26 00:10

    HTTP/1.1 301 Moved Permanently
    Connection: close
    Content-Length: 0
    Server: Varnish
    Retry-After: 0
    Location: https://blog.hsastack.com/
    Accept-Ranges: bytes
    Date: Mon, 26 Jan 2026 00:10:15 GMT
    Via: 1.1 varnish
    X-Served-By: cache-bom-vanm7210093-BOM
    X-Cache: HIT
    X-Cache-Hits: 0
    X-Timer: S1769386216.584471,VS0,VE1
    x-request-id: 8e1c1ed5-9579-4e86-9832-d9ec83a7faac
    Ghost-Fastly: true;production
    Alt-Svc: clear
    
    Found 2026-01-26 by HttpPlugin
    Create report
  • Open service 151.101.195.7:80 · blog.hsastack.com

    2026-01-26 00:10

    HTTP/1.1 301 Moved Permanently
    Connection: close
    Content-Length: 0
    Server: Varnish
    Retry-After: 0
    Location: https://blog.hsastack.com/
    Accept-Ranges: bytes
    Date: Mon, 26 Jan 2026 00:10:15 GMT
    Via: 1.1 varnish
    X-Served-By: cache-yyz4577-YYZ
    X-Cache: HIT
    X-Cache-Hits: 0
    X-Timer: S1769386216.512986,VS0,VE2
    x-request-id: 9b225301-6a78-435c-82cd-1c0af99a9f2d
    Ghost-Fastly: true;production
    Alt-Svc: clear
    
    Found 2026-01-26 by HttpPlugin
    Create report
  • Open service 151.101.3.7:80 · blog.hsastack.com

    2026-01-26 00:10

    HTTP/1.1 301 Moved Permanently
    Connection: close
    Content-Length: 0
    Server: Varnish
    Retry-After: 0
    Location: https://blog.hsastack.com/
    Accept-Ranges: bytes
    Date: Mon, 26 Jan 2026 00:10:15 GMT
    Via: 1.1 varnish
    X-Served-By: cache-sin-wsat1880080-SIN
    X-Cache: HIT
    X-Cache-Hits: 0
    X-Timer: S1769386215.474441,VS0,VE0
    x-request-id: 79c43897-c6eb-4886-9bd6-cf17970b6c3c
    Ghost-Fastly: true;production
    Alt-Svc: clear
    
    Found 2026-01-26 by HttpPlugin
    Create report
  • Open service 2a04:4e42:200::775:443 · blog.hsastack.com

    2026-01-26 00:10

    HTTP/1.1 200 OK
    Connection: close
    Content-Length: 50553
    cache-control: public, max-age=0
    status: 200 OK
    content-type: text/html; charset=utf-8
    server: openresty
    via: 1.1 varnish, 1.1 varnish, 1.1 varnish
    etag: W/"c579-j6rPBodfOqhx4hKwA2dZJB4BZwU"
    Accept-Ranges: bytes
    Age: 347951
    Date: Mon, 26 Jan 2026 00:10:15 GMT
    X-Served-By: cache-ams2100111-AMS, cache-ams21030-AMS, cache-vie6338-VIE
    X-Cache: MISS, HIT, MISS
    X-Cache-Hits: 0, 23, 0
    X-Timer: S1769386216.501188,VS0,VE19
    Vary: Cookie, Accept-Encoding
    x-request-id: 639386ca-999d-4bbb-9972-5fa861aacfa9
    Ghost-Fastly: true;production
    Alt-Svc: clear
    
    Page title: The Stacker's Notebook
    
    <!DOCTYPE html>
    <html lang="en">
    <head>
    
        <title>The Stacker&#x27;s Notebook</title>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        
        <link rel="preload" as="style" href="https://blog.hsastack.com/assets/built/screen.css?v=708b7d5781">
        <link rel="preload" as="script" href="https://blog.hsastack.com/assets/built/source.js?v=708b7d5781">
        
        <link rel="preload" as="font" type="font/woff2" href="https://blog.hsastack.com/assets/fonts/inter-roman.woff2?v=708b7d5781" crossorigin="anonymous">
    <style>
        @font-face {
            font-family: "Inter";
            font-style: normal;
            font-weight: 100 900;
            font-display: optional;
            src: url(https://blog.hsastack.com/assets/fonts/inter-roman.woff2?v=708b7d5781) format("woff2");
            unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
        }
    </style>
    
        <link rel="stylesheet" type="text/css" href="https://blog.hsastack.com/assets/built/screen.css?v=708b7d5781">
    
        <style>
            :root {
                --background-color: #FAFAFA
            }
        </style>
    
        <script>
            /* The script for calculating the color contrast has been taken from
            https://gomakethings.com/dynamically-changing-the-text-color-based-on-background-color-contrast-with-vanilla-js/ */
            var accentColor = getComputedStyle(document.documentElement).getPropertyValue('--background-color');
            accentColor = accentColor.trim().slice(1);
    
            if (accentColor.length === 3) {
                accentColor = accentColor[0] + accentColor[0] + accentColor[1] + accentColor[1] + accentColor[2] + accentColor[2];
            }
    
            var r = parseInt(accentColor.substr(0, 2), 16);
            var g = parseInt(accentColor.substr(2, 2), 16);
            var b = parseInt(accentColor.substr(4, 2), 16);
            var yiq = ((r * 299) + (g * 587) + (b * 114)) / 1000;
            var textColor = (yiq >= 128) ? 'dark' : 'light';
    
            document.documentElement.className = `has-${textColor}-text`;
        </script>
    
        <meta name="description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <link rel="canonical" href="https://blog.hsastack.com/">
        <meta name="referrer" content="no-referrer-when-downgrade">
        <link rel="next" href="https://blog.hsastack.com/page/2/">
        
        <meta property="og:site_name" content="The Stacker&#x27;s Notebook">
        <meta property="og:type" content="website">
        <meta property="og:title" content="The Stacker&#x27;s Notebook">
        <meta property="og:description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <meta property="og:url" content="https://blog.hsastack.com/">
        <meta property="og:image" content="https://blog.hsastack.com/content/images/size/w1200/2025/05/gradient-1.png">
        <meta property="article:publisher" content="https://www.facebook.com/hsastack">
        <meta name="twitter:card" content="summary_large_image">
        <meta name="twitter:title" content="The Stacker&#x27;s Notebook">
        <meta name="twitter:description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <meta name="twitter:url" content="https://blog.hsastack.com/">
        <meta name="twitter:image" content="https://blog.hsastack.com/content/images/size/w1200/2025/05/gradient-1.png">
        <meta name="twitter:site" content="@HSAstack">
        <meta property="og:image:width" content="1200">
        <meta property="og:image:height" content="900">
        
        <script type="application/ld+json">
    {
        "@context": "https://schema.org",
        "@type": "WebSite",
        "publisher": {
            "@type": "Organization",
            "name": "The Stacker&#x27;s Notebook",
            "url": "https://blog.hsastack.com/",
            "logo": {
                "
    Found 2026-01-26 by HttpPlugin
    Create report
  • Open service 151.101.3.7:443 · blog.hsastack.com

    2026-01-26 00:10

    HTTP/1.1 200 OK
    Connection: close
    Content-Length: 50553
    cache-control: public, max-age=0
    status: 200 OK
    content-type: text/html; charset=utf-8
    server: openresty
    via: 1.1 varnish, 1.1 varnish, 1.1 varnish
    etag: W/"c579-j6rPBodfOqhx4hKwA2dZJB4BZwU"
    Accept-Ranges: bytes
    Date: Mon, 26 Jan 2026 00:10:15 GMT
    Age: 347951
    X-Served-By: cache-ams2100111-AMS, cache-ams21030-AMS, cache-rtm-ehrd2290025-RTM
    X-Cache: MISS, HIT, HIT
    X-Cache-Hits: 0, 3, 1
    X-Timer: S1769386215.431753,VS0,VE1
    Vary: Cookie, Accept-Encoding
    x-request-id: 1a876124-9055-4e7a-b3de-84e1c9ef7d92
    Ghost-Fastly: true;production
    Alt-Svc: clear
    
    Page title: The Stacker's Notebook
    
    <!DOCTYPE html>
    <html lang="en">
    <head>
    
        <title>The Stacker&#x27;s Notebook</title>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        
        <link rel="preload" as="style" href="https://blog.hsastack.com/assets/built/screen.css?v=708b7d5781">
        <link rel="preload" as="script" href="https://blog.hsastack.com/assets/built/source.js?v=708b7d5781">
        
        <link rel="preload" as="font" type="font/woff2" href="https://blog.hsastack.com/assets/fonts/inter-roman.woff2?v=708b7d5781" crossorigin="anonymous">
    <style>
        @font-face {
            font-family: "Inter";
            font-style: normal;
            font-weight: 100 900;
            font-display: optional;
            src: url(https://blog.hsastack.com/assets/fonts/inter-roman.woff2?v=708b7d5781) format("woff2");
            unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
        }
    </style>
    
        <link rel="stylesheet" type="text/css" href="https://blog.hsastack.com/assets/built/screen.css?v=708b7d5781">
    
        <style>
            :root {
                --background-color: #FAFAFA
            }
        </style>
    
        <script>
            /* The script for calculating the color contrast has been taken from
            https://gomakethings.com/dynamically-changing-the-text-color-based-on-background-color-contrast-with-vanilla-js/ */
            var accentColor = getComputedStyle(document.documentElement).getPropertyValue('--background-color');
            accentColor = accentColor.trim().slice(1);
    
            if (accentColor.length === 3) {
                accentColor = accentColor[0] + accentColor[0] + accentColor[1] + accentColor[1] + accentColor[2] + accentColor[2];
            }
    
            var r = parseInt(accentColor.substr(0, 2), 16);
            var g = parseInt(accentColor.substr(2, 2), 16);
            var b = parseInt(accentColor.substr(4, 2), 16);
            var yiq = ((r * 299) + (g * 587) + (b * 114)) / 1000;
            var textColor = (yiq >= 128) ? 'dark' : 'light';
    
            document.documentElement.className = `has-${textColor}-text`;
        </script>
    
        <meta name="description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <link rel="canonical" href="https://blog.hsastack.com/">
        <meta name="referrer" content="no-referrer-when-downgrade">
        <link rel="next" href="https://blog.hsastack.com/page/2/">
        
        <meta property="og:site_name" content="The Stacker&#x27;s Notebook">
        <meta property="og:type" content="website">
        <meta property="og:title" content="The Stacker&#x27;s Notebook">
        <meta property="og:description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <meta property="og:url" content="https://blog.hsastack.com/">
        <meta property="og:image" content="https://blog.hsastack.com/content/images/size/w1200/2025/05/gradient-1.png">
        <meta property="article:publisher" content="https://www.facebook.com/hsastack">
        <meta name="twitter:card" content="summary_large_image">
        <meta name="twitter:title" content="The Stacker&#x27;s Notebook">
        <meta name="twitter:description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <meta name="twitter:url" content="https://blog.hsastack.com/">
        <meta name="twitter:image" content="https://blog.hsastack.com/content/images/size/w1200/2025/05/gradient-1.png">
        <meta name="twitter:site" content="@HSAstack">
        <meta property="og:image:width" content="1200">
        <meta property="og:image:height" content="900">
        
        <script type="application/ld+json">
    {
        "@context": "https://schema.org",
        "@type": "WebSite",
        "publisher": {
            "@type": "Organization",
            "name": "The Stacker&#x27;s Notebook",
            "url": "https://blog.hsastack.com/",
            "logo": {
                "
    Found 2026-01-26 by HttpPlugin
    Create report
  • Open service 2a04:4e42::775:443 · blog.hsastack.com

    2026-01-26 00:10

    HTTP/1.1 200 OK
    Connection: close
    Content-Length: 50553
    cache-control: public, max-age=0
    status: 200 OK
    content-type: text/html; charset=utf-8
    server: openresty
    via: 1.1 varnish, 1.1 varnish, 1.1 varnish
    etag: W/"c579-j6rPBodfOqhx4hKwA2dZJB4BZwU"
    Accept-Ranges: bytes
    Date: Mon, 26 Jan 2026 00:10:15 GMT
    Age: 347951
    X-Served-By: cache-ams2100111-AMS, cache-ams21030-AMS, cache-rtm-ehrd2290026-RTM
    X-Cache: MISS, HIT, HIT
    X-Cache-Hits: 0, 3, 1
    X-Timer: S1769386215.419598,VS0,VE1
    Vary: Cookie, Accept-Encoding
    x-request-id: c64b98fe-0611-41b9-bce6-8e6def9cffe9
    Ghost-Fastly: true;production
    Alt-Svc: clear
    
    Page title: The Stacker's Notebook
    
    <!DOCTYPE html>
    <html lang="en">
    <head>
    
        <title>The Stacker&#x27;s Notebook</title>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        
        <link rel="preload" as="style" href="https://blog.hsastack.com/assets/built/screen.css?v=708b7d5781">
        <link rel="preload" as="script" href="https://blog.hsastack.com/assets/built/source.js?v=708b7d5781">
        
        <link rel="preload" as="font" type="font/woff2" href="https://blog.hsastack.com/assets/fonts/inter-roman.woff2?v=708b7d5781" crossorigin="anonymous">
    <style>
        @font-face {
            font-family: "Inter";
            font-style: normal;
            font-weight: 100 900;
            font-display: optional;
            src: url(https://blog.hsastack.com/assets/fonts/inter-roman.woff2?v=708b7d5781) format("woff2");
            unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
        }
    </style>
    
        <link rel="stylesheet" type="text/css" href="https://blog.hsastack.com/assets/built/screen.css?v=708b7d5781">
    
        <style>
            :root {
                --background-color: #FAFAFA
            }
        </style>
    
        <script>
            /* The script for calculating the color contrast has been taken from
            https://gomakethings.com/dynamically-changing-the-text-color-based-on-background-color-contrast-with-vanilla-js/ */
            var accentColor = getComputedStyle(document.documentElement).getPropertyValue('--background-color');
            accentColor = accentColor.trim().slice(1);
    
            if (accentColor.length === 3) {
                accentColor = accentColor[0] + accentColor[0] + accentColor[1] + accentColor[1] + accentColor[2] + accentColor[2];
            }
    
            var r = parseInt(accentColor.substr(0, 2), 16);
            var g = parseInt(accentColor.substr(2, 2), 16);
            var b = parseInt(accentColor.substr(4, 2), 16);
            var yiq = ((r * 299) + (g * 587) + (b * 114)) / 1000;
            var textColor = (yiq >= 128) ? 'dark' : 'light';
    
            document.documentElement.className = `has-${textColor}-text`;
        </script>
    
        <meta name="description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <link rel="canonical" href="https://blog.hsastack.com/">
        <meta name="referrer" content="no-referrer-when-downgrade">
        <link rel="next" href="https://blog.hsastack.com/page/2/">
        
        <meta property="og:site_name" content="The Stacker&#x27;s Notebook">
        <meta property="og:type" content="website">
        <meta property="og:title" content="The Stacker&#x27;s Notebook">
        <meta property="og:description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <meta property="og:url" content="https://blog.hsastack.com/">
        <meta property="og:image" content="https://blog.hsastack.com/content/images/size/w1200/2025/05/gradient-1.png">
        <meta property="article:publisher" content="https://www.facebook.com/hsastack">
        <meta name="twitter:card" content="summary_large_image">
        <meta name="twitter:title" content="The Stacker&#x27;s Notebook">
        <meta name="twitter:description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <meta name="twitter:url" content="https://blog.hsastack.com/">
        <meta name="twitter:image" content="https://blog.hsastack.com/content/images/size/w1200/2025/05/gradient-1.png">
        <meta name="twitter:site" content="@HSAstack">
        <meta property="og:image:width" content="1200">
        <meta property="og:image:height" content="900">
        
        <script type="application/ld+json">
    {
        "@context": "https://schema.org",
        "@type": "WebSite",
        "publisher": {
            "@type": "Organization",
            "name": "The Stacker&#x27;s Notebook",
            "url": "https://blog.hsastack.com/",
            "logo": {
                "
    Found 2026-01-26 by HttpPlugin
    Create report
  • Open service 2a04:4e42:600::775:80 · blog.hsastack.com

    2026-01-26 00:10

    HTTP/1.1 301 Moved Permanently
    Connection: close
    Content-Length: 0
    Server: Varnish
    Retry-After: 0
    Location: https://blog.hsastack.com/
    Accept-Ranges: bytes
    Date: Mon, 26 Jan 2026 00:10:15 GMT
    Via: 1.1 varnish
    X-Served-By: cache-lga21934-LGA
    X-Cache: HIT
    X-Cache-Hits: 0
    X-Timer: S1769386215.409851,VS0,VE1
    x-request-id: 3c67e279-5381-4dcd-8962-c78f682b2e0f
    Ghost-Fastly: true;production
    Alt-Svc: clear
    
    Found 2026-01-26 by HttpPlugin
    Create report
  • Open service 2a04:4e42:400::775:80 · blog.hsastack.com

    2026-01-26 00:10

    HTTP/1.1 301 Moved Permanently
    Connection: close
    Content-Length: 0
    Server: Varnish
    Retry-After: 0
    Location: https://blog.hsastack.com/
    Accept-Ranges: bytes
    Date: Mon, 26 Jan 2026 00:10:15 GMT
    Via: 1.1 varnish
    X-Served-By: cache-vie6368-VIE
    X-Cache: HIT
    X-Cache-Hits: 0
    X-Timer: S1769386215.463187,VS0,VE1
    x-request-id: 9b2cbc68-dc53-46ee-9327-6942229d19c6
    Ghost-Fastly: true;production
    Alt-Svc: clear
    
    Found 2026-01-26 by HttpPlugin
    Create report
  • Open service 151.101.131.7:443 · blog.hsastack.com

    2026-01-26 00:10

    HTTP/1.1 200 OK
    Connection: close
    Content-Length: 50553
    cache-control: public, max-age=0
    status: 200 OK
    content-type: text/html; charset=utf-8
    server: openresty
    via: 1.1 varnish, 1.1 varnish, 1.1 varnish
    etag: W/"c579-j6rPBodfOqhx4hKwA2dZJB4BZwU"
    Accept-Ranges: bytes
    Date: Mon, 26 Jan 2026 00:10:15 GMT
    Age: 347951
    X-Served-By: cache-ams2100111-AMS, cache-ams21030-AMS, cache-lcy-egml8630061-LCY
    X-Cache: MISS, HIT, HIT
    X-Cache-Hits: 0, 21, 1
    X-Timer: S1769386215.392509,VS0,VE1
    Vary: Cookie, Accept-Encoding
    x-request-id: 09642fb7-77f0-4bb4-801d-2012eb343eea
    Ghost-Fastly: true;production
    Alt-Svc: clear
    
    Page title: The Stacker's Notebook
    
    <!DOCTYPE html>
    <html lang="en">
    <head>
    
        <title>The Stacker&#x27;s Notebook</title>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        
        <link rel="preload" as="style" href="https://blog.hsastack.com/assets/built/screen.css?v=708b7d5781">
        <link rel="preload" as="script" href="https://blog.hsastack.com/assets/built/source.js?v=708b7d5781">
        
        <link rel="preload" as="font" type="font/woff2" href="https://blog.hsastack.com/assets/fonts/inter-roman.woff2?v=708b7d5781" crossorigin="anonymous">
    <style>
        @font-face {
            font-family: "Inter";
            font-style: normal;
            font-weight: 100 900;
            font-display: optional;
            src: url(https://blog.hsastack.com/assets/fonts/inter-roman.woff2?v=708b7d5781) format("woff2");
            unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
        }
    </style>
    
        <link rel="stylesheet" type="text/css" href="https://blog.hsastack.com/assets/built/screen.css?v=708b7d5781">
    
        <style>
            :root {
                --background-color: #FAFAFA
            }
        </style>
    
        <script>
            /* The script for calculating the color contrast has been taken from
            https://gomakethings.com/dynamically-changing-the-text-color-based-on-background-color-contrast-with-vanilla-js/ */
            var accentColor = getComputedStyle(document.documentElement).getPropertyValue('--background-color');
            accentColor = accentColor.trim().slice(1);
    
            if (accentColor.length === 3) {
                accentColor = accentColor[0] + accentColor[0] + accentColor[1] + accentColor[1] + accentColor[2] + accentColor[2];
            }
    
            var r = parseInt(accentColor.substr(0, 2), 16);
            var g = parseInt(accentColor.substr(2, 2), 16);
            var b = parseInt(accentColor.substr(4, 2), 16);
            var yiq = ((r * 299) + (g * 587) + (b * 114)) / 1000;
            var textColor = (yiq >= 128) ? 'dark' : 'light';
    
            document.documentElement.className = `has-${textColor}-text`;
        </script>
    
        <meta name="description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <link rel="canonical" href="https://blog.hsastack.com/">
        <meta name="referrer" content="no-referrer-when-downgrade">
        <link rel="next" href="https://blog.hsastack.com/page/2/">
        
        <meta property="og:site_name" content="The Stacker&#x27;s Notebook">
        <meta property="og:type" content="website">
        <meta property="og:title" content="The Stacker&#x27;s Notebook">
        <meta property="og:description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <meta property="og:url" content="https://blog.hsastack.com/">
        <meta property="og:image" content="https://blog.hsastack.com/content/images/size/w1200/2025/05/gradient-1.png">
        <meta property="article:publisher" content="https://www.facebook.com/hsastack">
        <meta name="twitter:card" content="summary_large_image">
        <meta name="twitter:title" content="The Stacker&#x27;s Notebook">
        <meta name="twitter:description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <meta name="twitter:url" content="https://blog.hsastack.com/">
        <meta name="twitter:image" content="https://blog.hsastack.com/content/images/size/w1200/2025/05/gradient-1.png">
        <meta name="twitter:site" content="@HSAstack">
        <meta property="og:image:width" content="1200">
        <meta property="og:image:height" content="900">
        
        <script type="application/ld+json">
    {
        "@context": "https://schema.org",
        "@type": "WebSite",
        "publisher": {
            "@type": "Organization",
            "name": "The Stacker&#x27;s Notebook",
            "url": "https://blog.hsastack.com/",
            "logo": {
                "
    Found 2026-01-26 by HttpPlugin
    Create report
  • Open service 151.101.131.7:80 · blog.hsastack.com

    2026-01-26 00:10

    HTTP/1.1 301 Moved Permanently
    Connection: close
    Content-Length: 0
    Server: Varnish
    Retry-After: 0
    Location: https://blog.hsastack.com/
    Accept-Ranges: bytes
    Date: Mon, 26 Jan 2026 00:10:15 GMT
    Via: 1.1 varnish
    X-Served-By: cache-lcy-egml8630068-LCY
    X-Cache: HIT
    X-Cache-Hits: 0
    X-Timer: S1769386215.354080,VS0,VE0
    x-request-id: 887be9d1-86d1-43df-bcf7-a2eb51ee9566
    Ghost-Fastly: true;production
    Alt-Svc: clear
    
    Found 2026-01-26 by HttpPlugin
    Create report
  • Open service 2a04:4e42:400::775:443 · blog.hsastack.com

    2026-01-26 00:10

    HTTP/1.1 200 OK
    Connection: close
    Content-Length: 50553
    cache-control: public, max-age=0
    status: 200 OK
    content-type: text/html; charset=utf-8
    server: openresty
    via: 1.1 varnish, 1.1 varnish, 1.1 varnish
    etag: W/"c579-j6rPBodfOqhx4hKwA2dZJB4BZwU"
    Accept-Ranges: bytes
    Date: Mon, 26 Jan 2026 00:10:15 GMT
    Age: 347951
    X-Served-By: cache-ams2100111-AMS, cache-ams21030-AMS, cache-rtm-ehrd2290029-RTM
    X-Cache: MISS, HIT, HIT
    X-Cache-Hits: 0, 3, 1
    X-Timer: S1769386215.360022,VS0,VE1
    Vary: Cookie, Accept-Encoding
    x-request-id: d10a5842-327e-4093-86e7-45c835bc68a6
    Ghost-Fastly: true;production
    Alt-Svc: clear
    
    Page title: The Stacker's Notebook
    
    <!DOCTYPE html>
    <html lang="en">
    <head>
    
        <title>The Stacker&#x27;s Notebook</title>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        
        <link rel="preload" as="style" href="https://blog.hsastack.com/assets/built/screen.css?v=708b7d5781">
        <link rel="preload" as="script" href="https://blog.hsastack.com/assets/built/source.js?v=708b7d5781">
        
        <link rel="preload" as="font" type="font/woff2" href="https://blog.hsastack.com/assets/fonts/inter-roman.woff2?v=708b7d5781" crossorigin="anonymous">
    <style>
        @font-face {
            font-family: "Inter";
            font-style: normal;
            font-weight: 100 900;
            font-display: optional;
            src: url(https://blog.hsastack.com/assets/fonts/inter-roman.woff2?v=708b7d5781) format("woff2");
            unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
        }
    </style>
    
        <link rel="stylesheet" type="text/css" href="https://blog.hsastack.com/assets/built/screen.css?v=708b7d5781">
    
        <style>
            :root {
                --background-color: #FAFAFA
            }
        </style>
    
        <script>
            /* The script for calculating the color contrast has been taken from
            https://gomakethings.com/dynamically-changing-the-text-color-based-on-background-color-contrast-with-vanilla-js/ */
            var accentColor = getComputedStyle(document.documentElement).getPropertyValue('--background-color');
            accentColor = accentColor.trim().slice(1);
    
            if (accentColor.length === 3) {
                accentColor = accentColor[0] + accentColor[0] + accentColor[1] + accentColor[1] + accentColor[2] + accentColor[2];
            }
    
            var r = parseInt(accentColor.substr(0, 2), 16);
            var g = parseInt(accentColor.substr(2, 2), 16);
            var b = parseInt(accentColor.substr(4, 2), 16);
            var yiq = ((r * 299) + (g * 587) + (b * 114)) / 1000;
            var textColor = (yiq >= 128) ? 'dark' : 'light';
    
            document.documentElement.className = `has-${textColor}-text`;
        </script>
    
        <meta name="description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <link rel="canonical" href="https://blog.hsastack.com/">
        <meta name="referrer" content="no-referrer-when-downgrade">
        <link rel="next" href="https://blog.hsastack.com/page/2/">
        
        <meta property="og:site_name" content="The Stacker&#x27;s Notebook">
        <meta property="og:type" content="website">
        <meta property="og:title" content="The Stacker&#x27;s Notebook">
        <meta property="og:description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <meta property="og:url" content="https://blog.hsastack.com/">
        <meta property="og:image" content="https://blog.hsastack.com/content/images/size/w1200/2025/05/gradient-1.png">
        <meta property="article:publisher" content="https://www.facebook.com/hsastack">
        <meta name="twitter:card" content="summary_large_image">
        <meta name="twitter:title" content="The Stacker&#x27;s Notebook">
        <meta name="twitter:description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <meta name="twitter:url" content="https://blog.hsastack.com/">
        <meta name="twitter:image" content="https://blog.hsastack.com/content/images/size/w1200/2025/05/gradient-1.png">
        <meta name="twitter:site" content="@HSAstack">
        <meta property="og:image:width" content="1200">
        <meta property="og:image:height" content="900">
        
        <script type="application/ld+json">
    {
        "@context": "https://schema.org",
        "@type": "WebSite",
        "publisher": {
            "@type": "Organization",
            "name": "The Stacker&#x27;s Notebook",
            "url": "https://blog.hsastack.com/",
            "logo": {
                "
    Found 2026-01-26 by HttpPlugin
    Create report
  • Open service 2a04:4e42:600::775:443 · blog.hsastack.com

    2026-01-26 00:10

    HTTP/1.1 200 OK
    Connection: close
    Content-Length: 50553
    cache-control: public, max-age=0
    status: 200 OK
    content-type: text/html; charset=utf-8
    server: openresty
    via: 1.1 varnish, 1.1 varnish, 1.1 varnish
    etag: W/"c579-j6rPBodfOqhx4hKwA2dZJB4BZwU"
    Accept-Ranges: bytes
    Date: Mon, 26 Jan 2026 00:10:15 GMT
    Age: 347951
    X-Served-By: cache-ams2100111-AMS, cache-ams21030-AMS, cache-fra-eddf8230119-FRA
    X-Cache: MISS, HIT, HIT
    X-Cache-Hits: 0, 13, 1
    X-Timer: S1769386215.356503,VS0,VE1
    Vary: Cookie, Accept-Encoding
    x-request-id: ee000230-8c72-4e23-8070-a5f5c20cbbe2
    Ghost-Fastly: true;production
    Alt-Svc: clear
    
    Page title: The Stacker's Notebook
    
    <!DOCTYPE html>
    <html lang="en">
    <head>
    
        <title>The Stacker&#x27;s Notebook</title>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        
        <link rel="preload" as="style" href="https://blog.hsastack.com/assets/built/screen.css?v=708b7d5781">
        <link rel="preload" as="script" href="https://blog.hsastack.com/assets/built/source.js?v=708b7d5781">
        
        <link rel="preload" as="font" type="font/woff2" href="https://blog.hsastack.com/assets/fonts/inter-roman.woff2?v=708b7d5781" crossorigin="anonymous">
    <style>
        @font-face {
            font-family: "Inter";
            font-style: normal;
            font-weight: 100 900;
            font-display: optional;
            src: url(https://blog.hsastack.com/assets/fonts/inter-roman.woff2?v=708b7d5781) format("woff2");
            unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
        }
    </style>
    
        <link rel="stylesheet" type="text/css" href="https://blog.hsastack.com/assets/built/screen.css?v=708b7d5781">
    
        <style>
            :root {
                --background-color: #FAFAFA
            }
        </style>
    
        <script>
            /* The script for calculating the color contrast has been taken from
            https://gomakethings.com/dynamically-changing-the-text-color-based-on-background-color-contrast-with-vanilla-js/ */
            var accentColor = getComputedStyle(document.documentElement).getPropertyValue('--background-color');
            accentColor = accentColor.trim().slice(1);
    
            if (accentColor.length === 3) {
                accentColor = accentColor[0] + accentColor[0] + accentColor[1] + accentColor[1] + accentColor[2] + accentColor[2];
            }
    
            var r = parseInt(accentColor.substr(0, 2), 16);
            var g = parseInt(accentColor.substr(2, 2), 16);
            var b = parseInt(accentColor.substr(4, 2), 16);
            var yiq = ((r * 299) + (g * 587) + (b * 114)) / 1000;
            var textColor = (yiq >= 128) ? 'dark' : 'light';
    
            document.documentElement.className = `has-${textColor}-text`;
        </script>
    
        <meta name="description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <link rel="canonical" href="https://blog.hsastack.com/">
        <meta name="referrer" content="no-referrer-when-downgrade">
        <link rel="next" href="https://blog.hsastack.com/page/2/">
        
        <meta property="og:site_name" content="The Stacker&#x27;s Notebook">
        <meta property="og:type" content="website">
        <meta property="og:title" content="The Stacker&#x27;s Notebook">
        <meta property="og:description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <meta property="og:url" content="https://blog.hsastack.com/">
        <meta property="og:image" content="https://blog.hsastack.com/content/images/size/w1200/2025/05/gradient-1.png">
        <meta property="article:publisher" content="https://www.facebook.com/hsastack">
        <meta name="twitter:card" content="summary_large_image">
        <meta name="twitter:title" content="The Stacker&#x27;s Notebook">
        <meta name="twitter:description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <meta name="twitter:url" content="https://blog.hsastack.com/">
        <meta name="twitter:image" content="https://blog.hsastack.com/content/images/size/w1200/2025/05/gradient-1.png">
        <meta name="twitter:site" content="@HSAstack">
        <meta property="og:image:width" content="1200">
        <meta property="og:image:height" content="900">
        
        <script type="application/ld+json">
    {
        "@context": "https://schema.org",
        "@type": "WebSite",
        "publisher": {
            "@type": "Organization",
            "name": "The Stacker&#x27;s Notebook",
            "url": "https://blog.hsastack.com/",
            "logo": {
                "
    Found 2026-01-26 by HttpPlugin
    Create report
  • Open service 151.101.195.7:443 · blog.hsastack.com

    2026-01-26 00:10

    HTTP/1.1 200 OK
    Connection: close
    Content-Length: 50553
    cache-control: public, max-age=0
    status: 200 OK
    content-type: text/html; charset=utf-8
    server: openresty
    via: 1.1 varnish, 1.1 varnish, 1.1 varnish
    etag: W/"c579-j6rPBodfOqhx4hKwA2dZJB4BZwU"
    Accept-Ranges: bytes
    Date: Mon, 26 Jan 2026 00:10:15 GMT
    Age: 347951
    X-Served-By: cache-ams2100111-AMS, cache-ams21030-AMS, cache-fra-eddf8230089-FRA
    X-Cache: MISS, HIT, HIT
    X-Cache-Hits: 0, 13, 1
    X-Timer: S1769386215.353762,VS0,VE1
    Vary: Cookie, Accept-Encoding
    x-request-id: 70a95ef9-8891-4e76-a8e1-0709325f0469
    Ghost-Fastly: true;production
    Alt-Svc: clear
    
    Page title: The Stacker's Notebook
    
    <!DOCTYPE html>
    <html lang="en">
    <head>
    
        <title>The Stacker&#x27;s Notebook</title>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        
        <link rel="preload" as="style" href="https://blog.hsastack.com/assets/built/screen.css?v=708b7d5781">
        <link rel="preload" as="script" href="https://blog.hsastack.com/assets/built/source.js?v=708b7d5781">
        
        <link rel="preload" as="font" type="font/woff2" href="https://blog.hsastack.com/assets/fonts/inter-roman.woff2?v=708b7d5781" crossorigin="anonymous">
    <style>
        @font-face {
            font-family: "Inter";
            font-style: normal;
            font-weight: 100 900;
            font-display: optional;
            src: url(https://blog.hsastack.com/assets/fonts/inter-roman.woff2?v=708b7d5781) format("woff2");
            unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
        }
    </style>
    
        <link rel="stylesheet" type="text/css" href="https://blog.hsastack.com/assets/built/screen.css?v=708b7d5781">
    
        <style>
            :root {
                --background-color: #FAFAFA
            }
        </style>
    
        <script>
            /* The script for calculating the color contrast has been taken from
            https://gomakethings.com/dynamically-changing-the-text-color-based-on-background-color-contrast-with-vanilla-js/ */
            var accentColor = getComputedStyle(document.documentElement).getPropertyValue('--background-color');
            accentColor = accentColor.trim().slice(1);
    
            if (accentColor.length === 3) {
                accentColor = accentColor[0] + accentColor[0] + accentColor[1] + accentColor[1] + accentColor[2] + accentColor[2];
            }
    
            var r = parseInt(accentColor.substr(0, 2), 16);
            var g = parseInt(accentColor.substr(2, 2), 16);
            var b = parseInt(accentColor.substr(4, 2), 16);
            var yiq = ((r * 299) + (g * 587) + (b * 114)) / 1000;
            var textColor = (yiq >= 128) ? 'dark' : 'light';
    
            document.documentElement.className = `has-${textColor}-text`;
        </script>
    
        <meta name="description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <link rel="canonical" href="https://blog.hsastack.com/">
        <meta name="referrer" content="no-referrer-when-downgrade">
        <link rel="next" href="https://blog.hsastack.com/page/2/">
        
        <meta property="og:site_name" content="The Stacker&#x27;s Notebook">
        <meta property="og:type" content="website">
        <meta property="og:title" content="The Stacker&#x27;s Notebook">
        <meta property="og:description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <meta property="og:url" content="https://blog.hsastack.com/">
        <meta property="og:image" content="https://blog.hsastack.com/content/images/size/w1200/2025/05/gradient-1.png">
        <meta property="article:publisher" content="https://www.facebook.com/hsastack">
        <meta name="twitter:card" content="summary_large_image">
        <meta name="twitter:title" content="The Stacker&#x27;s Notebook">
        <meta name="twitter:description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <meta name="twitter:url" content="https://blog.hsastack.com/">
        <meta name="twitter:image" content="https://blog.hsastack.com/content/images/size/w1200/2025/05/gradient-1.png">
        <meta name="twitter:site" content="@HSAstack">
        <meta property="og:image:width" content="1200">
        <meta property="og:image:height" content="900">
        
        <script type="application/ld+json">
    {
        "@context": "https://schema.org",
        "@type": "WebSite",
        "publisher": {
            "@type": "Organization",
            "name": "The Stacker&#x27;s Notebook",
            "url": "https://blog.hsastack.com/",
            "logo": {
                "
    Found 2026-01-26 by HttpPlugin
    Create report
  • Open service 151.101.67.7:443 · blog.hsastack.com

    2026-01-26 00:10

    HTTP/1.1 200 OK
    Connection: close
    Content-Length: 50553
    cache-control: public, max-age=0
    status: 200 OK
    content-type: text/html; charset=utf-8
    server: openresty
    via: 1.1 varnish, 1.1 varnish, 1.1 varnish
    etag: W/"c579-j6rPBodfOqhx4hKwA2dZJB4BZwU"
    Accept-Ranges: bytes
    Date: Mon, 26 Jan 2026 00:10:15 GMT
    Age: 347951
    X-Served-By: cache-ams2100111-AMS, cache-ams21030-AMS, cache-lga21947-LGA
    X-Cache: MISS, HIT, HIT
    X-Cache-Hits: 0, 22, 1
    X-Timer: S1769386215.460053,VS0,VE7
    Vary: Cookie, Accept-Encoding
    x-request-id: 3ceceb7e-36ff-40d9-b7ca-8da41552a8e4
    Ghost-Fastly: true;production
    Alt-Svc: clear
    
    Page title: The Stacker's Notebook
    
    <!DOCTYPE html>
    <html lang="en">
    <head>
    
        <title>The Stacker&#x27;s Notebook</title>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        
        <link rel="preload" as="style" href="https://blog.hsastack.com/assets/built/screen.css?v=708b7d5781">
        <link rel="preload" as="script" href="https://blog.hsastack.com/assets/built/source.js?v=708b7d5781">
        
        <link rel="preload" as="font" type="font/woff2" href="https://blog.hsastack.com/assets/fonts/inter-roman.woff2?v=708b7d5781" crossorigin="anonymous">
    <style>
        @font-face {
            font-family: "Inter";
            font-style: normal;
            font-weight: 100 900;
            font-display: optional;
            src: url(https://blog.hsastack.com/assets/fonts/inter-roman.woff2?v=708b7d5781) format("woff2");
            unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
        }
    </style>
    
        <link rel="stylesheet" type="text/css" href="https://blog.hsastack.com/assets/built/screen.css?v=708b7d5781">
    
        <style>
            :root {
                --background-color: #FAFAFA
            }
        </style>
    
        <script>
            /* The script for calculating the color contrast has been taken from
            https://gomakethings.com/dynamically-changing-the-text-color-based-on-background-color-contrast-with-vanilla-js/ */
            var accentColor = getComputedStyle(document.documentElement).getPropertyValue('--background-color');
            accentColor = accentColor.trim().slice(1);
    
            if (accentColor.length === 3) {
                accentColor = accentColor[0] + accentColor[0] + accentColor[1] + accentColor[1] + accentColor[2] + accentColor[2];
            }
    
            var r = parseInt(accentColor.substr(0, 2), 16);
            var g = parseInt(accentColor.substr(2, 2), 16);
            var b = parseInt(accentColor.substr(4, 2), 16);
            var yiq = ((r * 299) + (g * 587) + (b * 114)) / 1000;
            var textColor = (yiq >= 128) ? 'dark' : 'light';
    
            document.documentElement.className = `has-${textColor}-text`;
        </script>
    
        <meta name="description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <link rel="canonical" href="https://blog.hsastack.com/">
        <meta name="referrer" content="no-referrer-when-downgrade">
        <link rel="next" href="https://blog.hsastack.com/page/2/">
        
        <meta property="og:site_name" content="The Stacker&#x27;s Notebook">
        <meta property="og:type" content="website">
        <meta property="og:title" content="The Stacker&#x27;s Notebook">
        <meta property="og:description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <meta property="og:url" content="https://blog.hsastack.com/">
        <meta property="og:image" content="https://blog.hsastack.com/content/images/size/w1200/2025/05/gradient-1.png">
        <meta property="article:publisher" content="https://www.facebook.com/hsastack">
        <meta name="twitter:card" content="summary_large_image">
        <meta name="twitter:title" content="The Stacker&#x27;s Notebook">
        <meta name="twitter:description" content="Your essential guide to maximizing HSA growth. Get expert strategies, clever tips, and hsa_stack updates delivered to your inbox.">
        <meta name="twitter:url" content="https://blog.hsastack.com/">
        <meta name="twitter:image" content="https://blog.hsastack.com/content/images/size/w1200/2025/05/gradient-1.png">
        <meta name="twitter:site" content="@HSAstack">
        <meta property="og:image:width" content="1200">
        <meta property="og:image:height" content="900">
        
        <script type="application/ld+json">
    {
        "@context": "https://schema.org",
        "@type": "WebSite",
        "publisher": {
            "@type": "Organization",
            "name": "The Stacker&#x27;s Notebook",
            "url": "https://blog.hsastack.com/",
            "logo": {
                "
    Found 2026-01-26 by HttpPlugin
    Create report
  • Open service 151.101.67.7:80 · blog.hsastack.com

    2026-01-26 00:10

    HTTP/1.1 301 Moved Permanently
    Connection: close
    Content-Length: 0
    Server: Varnish
    Retry-After: 0
    Location: https://blog.hsastack.com/
    Accept-Ranges: bytes
    Date: Mon, 26 Jan 2026 00:10:15 GMT
    Via: 1.1 varnish
    X-Served-By: cache-lga21924-LGA
    X-Cache: HIT
    X-Cache-Hits: 0
    X-Timer: S1769386215.297960,VS0,VE1
    x-request-id: 86e4d915-70c5-4999-97f8-f7482fef0d8f
    Ghost-Fastly: true;production
    Alt-Svc: clear
    
    Found 2026-01-26 by HttpPlugin
    Create report
blog.hsastack.com
CN:
blog.hsastack.com
Not before:
2026-01-26 00:00
Not after:
2026-04-26 23:59