Audit Result

UUID: 019ffc8c-6fc5-7302-be78-f2d498001770

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bestruleronline.com

https://bestruleronline.com/

Scanned 3 weeks ago

86
Excellent Score
39 total checks
Passed
29
Warnings
9
Errors
1

Meta Information

  • Title Tag Warning

    Found 75 characters. Keep title between 30 and 60 characters.

    Fix: Add a unique <title> tag describing the main page intent in 30-60 characters.

  • Meta Description Warning

    Found 175 characters. Keep description around 70-160 characters.

    Fix: Add <meta name="description" content="..."> in <head> with a clear page summary.

  • Canonical URL Pass

    Canonical found: http://localhost:4321/

  • Favicon Pass

    Favicon found and reachable: /favicon-96x96.png (HTTP 200).

    Favicon
  • Viewport Meta Pass

    Viewport configured: width=device-width, initial-scale=1.0

  • HTML Lang Pass

    Language declared as "en".

Content Structure

  • H1 Tag Pass

    Exactly one H1 found: "Free Online Ruler — Measure in Inches, CM & MM Directly in Your Browser".

  • Heading Hierarchy Pass

    Valid heading flow across 14 headings.

  • Image Alt Text Pass

    All 2 images include alt text.

Technical Optimization

  • HTTPS Pass

    Page is served over HTTPS.

  • HSTS & HTTPS Redirect Warning

    2 HTTPS hardening issues detected.

    • • Missing Strict-Transport-Security header.
    • • Could not probe the HTTP version of this page.

    Fix: Set Strict-Transport-Security with a long max-age, add includeSubDomains, and redirect all HTTP requests to HTTPS.

  • Security Headers Warning

    Missing: strict-transport-security, content-security-policy, x-frame-options, x-content-type-options, referrer-policy.

    Full HTTP headers (12)
    • • alt-svc: h3=":443"; ma=86400
    • • cache-control: public, max-age=0, must-revalidate
    • • cf-cache-status: HIT
    • • cf-ray: a2aa0b7d2e59e99a-IAD
    • • content-encoding: zstd
    • • content-type: text/html
    • • date: Thu, 13 Aug 2026 19:14:48 GMT
    • • nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
    • • report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=6OjCEkLmk8nXaX0C8jshRpHofpyWB34owu%2B2DZ48xJL0b7yYrJCLSAiFX%2Fo%2B8mE64trzxBOqy2qpmmdhcUkYxT57ke4r5BTYxXZzkTjKnOw2NR62438bsm%2Fy6vBU5uNhxRZkXII1bSdQd56T7CFJJiLh"}]}
    • • server: cloudflare
    • • server-timing: cfCacheStatus;desc="HIT" cfEdge;dur=19,cfOrigin;dur=0
    • • speculation-rules: "/cdn-cgi/speculation"

    Fix: Add the missing security headers at your reverse proxy or application layer.

  • CSP Quality Warning

    Content-Security-Policy header is missing.

    • • Missing Content-Security-Policy header.

    Fix: Define a restrictive Content-Security-Policy and avoid unsafe directives such as unsafe-inline and unsafe-eval.

  • Cookie Security Pass

    No first-party cookies were set during the initial page load.

  • Server Version Disclosure Pass

    Server response headers do not expose version tokens.

  • Cloudflare Proxy Pass

    Domain appears to be behind Cloudflare.

    • • server: cloudflare
    • • cf-cache-status: HIT
    • • cf-ray: a2aa0b7d2e59e99a-IAD
  • Perceived Load Time Pass

    Loaded in 0.23s (perceived).

  • Render Blocking Resources Warning

    0 scripts and 1 styles may block rendering.

    • • style: https://bestruleronline.com/_astro/Footer.oTUWbBxM.css

    Fix: Defer non-critical scripts and inline critical CSS to improve first paint speed.

  • Compression Pass

    Text-like assets appear compressed.

  • Robots.txt Pass

    Found robots.txt (200).

  • Sitemap File Pass

    Found sitemap (200) at https://bestruleronline.com/sitemap.xml.

  • Crawl Directives Pass

    Robots meta found: index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1

Accessibility Basics

  • Form Labels Pass

    All 4 controls are labeled.

  • Landmarks Warning

    Missing landmarks: main.

    Fix: Use semantic regions (<header>, <nav>, <main>, <footer>) for navigation and assistive tech.

  • Tap Target Size Warning

    25 interactive elements appear smaller than 48px.

    • • button.w-7.h-7 (Top ruler) - 32x32px
    • • button.w-7.h-7 (Bottom ruler) - 32x32px
    • • button.w-7.h-7 (Left ruler) - 32x32px
    • • button.w-7.h-7 (Right ruler) - 32x32px
    • • button.px-1.5.sm:px-2.5 (cm) - 36x28px
    • • button.px-1.5.sm:px-2.5 (mm) - 36x28px
    • • button.px-1.5.sm:px-2.5 (in) - 36x28px
    • • button.px-1.5.sm:px-2.5 (px) - 36x28px
    • • button#crosshair-pointer-btn.w-8.h-7 (Pointer mode — live crosshair tracker) - 32x28px
    • • button#crosshair-drop-btn.w-8.h-7 (Drop guide lines — click workspace to pin X+Y lines (C)) - 32x28px
    • • button#clear-guides-btn.w-7.h-7 (Clear all guide lines (Esc)) - 28x28px
    • • button#calibration-open.flex.items-center (Calibrate) - 99x28px
    • • a.hidden.lg:flex (About) - 49x28px
    • • a.hidden.lg:flex (Contact) - 61x28px
    • • button#fullscreen-btn.w-8.h-8 (Fullscreen (F)) - 32x32px
    • • button#guide-modal-btn.w-8.h-8 (How to use (H)) - 32x32px
    • • button#nav-dark-toggle.w-8.h-8 (Toggle dark mode) - 32x32px
    • • button#info-calibration-link.text-[11px].text-[var(--color-mute)] (Wrong device? Click here to select your model.) - 248x17px
    • • a.hover:text-[var(--color-ink)].transition-colors (About) - 33x16px
    • • a.hover:text-[var(--color-ink)].transition-colors (Contact) - 45x16px
    • • a.hover:text-[var(--color-ink)].transition-colors (Privacy Policy) - 82x16px
    • • a.hover:text-[var(--color-ink)].transition-colors (Terms) - 36x16px
    • • button#hide-info-btn.px-4.py-2 (Hide this info) - 115x35px
    • • a.flex.items-center (Best Online Ruler) - 155x28px
    • • a.text-[12px].text-[var(--color-mute)] (About Us) - 51x18px

    Fix: Increase target size to at least 48x48 CSS pixels for touch interactions.

Social & Rich Results

  • Open Graph Basics Pass

    Core Open Graph tags are present.

  • Open Graph Image Error

    og:image URL returned HTTP 404.

    Fix: Make sure the og:image URL returns HTTP 200 and points to a publicly accessible image.

  • Twitter Card Pass

    twitter:card set to summary_large_image.

  • Structured Data Pass

    JSON-LD schema detected.

  • PWA Metadata Pass

    Manifest and Apple touch icon are configured.

  • Open Graph/Twitter Quality Warning

    3 social preview quality issues detected.

    • • ISSUE: og:url points to a different origin than the scanned page.
    • • ISSUE: og:title should typically be between 10 and 70 characters.
    • • ISSUE: Preview image URL failed with HTTP 404: https://bestruleronline.com/og-image.png
    • • GUIDELINE: Optimal og:title length: 40-60 characters (acceptable: 10-70).
    • • GUIDELINE: Optimal og:description length: 110-160 characters (acceptable: 50-200).
    • • GUIDELINE: Optimal preview image size: 1200x630 pixels.
    • • GUIDELINE: Optimal preview image aspect ratio: 1.91:1.
    • • GUIDELINE: Optimal preview image file size: under 5 MB.
    • • GUIDELINE: Recommended twitter:card: summary_large_image.

    Fix: Use absolute OG/Twitter URLs, keep metadata lengths in recommended ranges, and provide a preview image near 1200x630 under 5MB.

Links Analysis

  • Internal Links Pass

    Checked 9 links. No broken internal links found.

  • External Links Pass

    No broken external links found in checked URLs.

  • Link Format Pass

    All 34 links use non-empty href values.

Performance & Runtime