Audit Result

UUID: 019e408a-1782-72e6-ad8f-90a4a10a7615

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tirecalculatorhub.com

https://tirecalculatorhub.com/

Scanned 3 months ago

82
Fair Score
39 total checks
Passed
25
Warnings
14
Errors
0

Meta Information

  • Title Tag Warning

    Found 66 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 174 characters. Keep description around 70-160 characters.

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

  • Canonical URL Warning

    Canonical link not found.

    Fix: Add <link rel="canonical" href="https://example.com/page"> to avoid duplicate URL ambiguity.

  • Favicon Pass

    Favicon found and reachable: /favicon.svg (HTTP 200).

    Favicon
  • Viewport Meta Pass

    Viewport configured: width=device-width, initial-scale=1

  • HTML Lang Pass

    Language declared as "en".

Content Structure

  • H1 Tag Pass

    Exactly one H1 found: "Know Your Tires Before You Buy or Swap".

  • Heading Hierarchy Pass

    Valid heading flow across 27 headings.

  • Image Alt Text Pass

    All 1 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 (15)
    • • alt-svc: h3=":443"; ma=86400
    • • cache-control: public, s-maxage=3600, stale-while-revalidate=86400
    • • cf-ray: 9fe3a1076fc3a9d0-IAD
    • • content-encoding: zstd
    • • content-type: text/html; charset=utf-8
    • • date: Tue, 19 May 2026 14:00:38 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=%2Fj%2FEbssy4fIpkKZCwIflN1MV9EfcDkTJHKQKPAHMDAUNpHgC9bisCNG1%2F8jb7vRmKc6aEG%2FYvIbjwzFnVyMXSO9zt4tr87kd5Nmof06gqi9Mw4UpuRLt7DRIt2ibvsTv0IQZWSa%2FH5RbA6ojBCVEjrmltxQ%3D"}]}
    • • server: cloudflare
    • • vary: rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch
    • • x-nextjs-cache: MISS
    • • x-nextjs-prerender: 1
    • • x-nextjs-stale-time: 300
    • • x-opennext: 1
    • • x-powered-by: Next.js

    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-ray: 9fe3a1076fc3a9d0-IAD
  • Perceived Load Time Pass

    Loaded in 0.33s (perceived).

  • Render Blocking Resources Warning

    1 scripts and 3 styles may block rendering.

    • • script: https://tirecalculatorhub.com/_next/static/chunks/polyfills-42372ed130431b0a.js
    • • style: https://tirecalculatorhub.com/_next/static/css/f7b086d117daf3c6.css
    • • style: https://tirecalculatorhub.com/_next/static/css/cc9125271de8878e.css
    • • style: https://tirecalculatorhub.com/_next/static/css/827658ac991ae42e.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://tirecalculatorhub.com/sitemap.xml.

  • Crawl Directives Warning

    No robots meta tag defined.

    Fix: Add <meta name="robots" content="index,follow"> (or the intended directive) in <head>.

Accessibility Basics

  • Form Labels Pass

    All 1 controls are labeled.

  • Landmarks Pass

    Header, nav, main, and footer landmarks are present.

  • Tap Target Size Warning

    25 interactive elements appear smaller than 48px.

    • • a.flex.items-center (TireCalculatorHub) - 212x40px
    • • a.text-base.font-medium (Home) - 69x24px
    • • a.text-base.font-medium (AI Tire Advisor) - 135x24px
    • • a.text-base.font-medium (Visual Comparison) - 169x24px
    • • a.text-base.font-medium (All Calculators) - 134x24px
    • • a.text-base.font-medium (All Guides) - 101x24px
    • • button.group/button.inline-flex (Switch to dark mode) - 36x36px
    • • button.absolute.left-0 (Scroll calculators left) - 40x42px
    • • a.inline-flex.flex-shrink-0 (PSI ↔ kPa Converter) - 162x30px
    • • a.inline-flex.flex-shrink-0 (Tire Size Converter & Comparator) - 249x30px
    • • a.inline-flex.flex-shrink-0 (Tire Size Comparison Calculator) - 241x30px
    • • a.inline-flex.flex-shrink-0 (Tire Size Difference) - 157x30px
    • • a.inline-flex.flex-shrink-0 (Speedometer Error Calculator) - 222x30px
    • • a.inline-flex.flex-shrink-0 (Tire Pressure Converter (PSI ↔ kPa)) - 265x30px
    • • a.inline-flex.flex-shrink-0 (Wheel Offset & Backspace Calculator) - 276x30px
    • • a.inline-flex.flex-shrink-0 (Effective Gear Ratio Calculator) - 229x30px
    • • a.inline-flex.flex-shrink-0 (Engine RPM Calculator) - 178x30px
    • • a.inline-flex.flex-shrink-0 (Staggered Fitment Calculator) - 222x30px
    • • a.inline-flex.flex-shrink-0 (Overall Tire Height Calculator) - 224x30px
    • • a.inline-flex.flex-shrink-0 (Rim & Tire Compatibility Calculator) - 260x30px
    • • a.inline-flex.flex-shrink-0 (Tire Aspect Ratio Solver) - 188x30px
    • • a.inline-flex.flex-shrink-0 (Tire Load Index Calculator) - 202x30px
    • • a.inline-flex.flex-shrink-0 (Speed Rating Calculator) - 188x30px
    • • a.inline-flex.flex-shrink-0 (Plus Sizing Options Calculator) - 230x30px
    • • a.inline-flex.flex-shrink-0 (Tire Stretch / Pinch Calculator) - 226x30px

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

Social & Rich Results

  • Open Graph Basics Warning

    Missing og:title or og:description.

    Fix: Add og:title and og:description tags to control social preview text.

  • Open Graph Image Warning

    og:image is missing.

    Fix: Add <meta property="og:image" content="https://..."> with a high-quality share image.

  • Twitter Card Warning

    twitter:card is missing.

    Fix: Add <meta name="twitter:card" content="summary_large_image"> for better previews on X.

  • Structured Data Pass

    JSON-LD schema detected.

  • PWA Metadata Pass

    Manifest and Apple touch icon are configured.

  • Open Graph/Twitter Quality Warning

    5 social preview quality issues detected.

    • • ISSUE: og:url should be an absolute URL.
    • • ISSUE: og:title should typically be between 10 and 70 characters.
    • • ISSUE: og:description should typically be between 50 and 200 characters.
    • • ISSUE: Use an absolute URL for og:image or twitter:image.
    • • ISSUE: twitter:card is missing.
    • • 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 80 links. No broken internal links found.

  • External Links Pass

    No broken external links found in checked URLs.

  • Link Format Pass

    All 155 links use non-empty href values.

Performance & Runtime

  • Core Web Vitals: LCP Pass

    Largest Contentful Paint: 0.33s.

  • Core Web Vitals: CLS Pass

    Cumulative Layout Shift: 0.013.

  • Main Thread Blocking (TBT) Pass

    Total Blocking Time estimate: 15ms.

  • Broken Assets Pass

    No failed CSS/JS/image/font/media requests detected.

  • JavaScript Runtime Errors Warning

    2 JavaScript runtime issues detected.

    • • Request failed: https://s.clarity.ms/collect (net::ERR_CONNECTION_RESET, type: xhr)
    • • Failed to load resource: net::ERR_CONNECTION_RESET [https://s.clarity.ms/collect:1]

    Fix: Fix JS files returning 404/failed requests and resolve the listed runtime exceptions.