Audit Result

Found 50 characters. Length is optimal.

Found 163 characters. Keep description around 70-160 characters.

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

Canonical link not found.

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

Favicon found and reachable: /icons/icon-192.png (HTTP 200).

Viewport configured: width=device-width, initial-scale=1.0, viewport-fit=cover

Language declared as "en".

No H1 heading found.

Fix: Use a single, descriptive <h1> that states the primary purpose of the page.

Valid heading flow across 0 headings.

All 0 images include alt text.

Page is served over HTTPS.

2 HTTPS hardening issues detected.

• • HSTS is missing includeSubDomains.
• • Could not probe the HTTP version of this page.
• • Strict-Transport-Security: max-age=31556952

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

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

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

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.

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

Server response headers do not expose version tokens.

Domain does not appear to be behind Cloudflare.

Loaded in 0.25s (perceived).

0 scripts and 1 styles may block rendering.

• • style: https://metidev.github.io/assets/index-DFmmDQjH.css

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

1 text resources look uncompressed.

• • https://metidev.github.io/assets/rolldown-runtime-D9-fqq9M.js (application/javascript; charset=utf-8)

Fix: Enable Brotli or Gzip compression for HTML, CSS, JS, and JSON responses.

robots.txt missing or inaccessible (404).

Fix: Create a robots.txt file at https://metidev.github.io/robots.txt and allow intended crawlers.

Found sitemap (200) at https://metidev.github.io/sitemap.xml.

No robots meta tag defined.

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

All 0 controls are labeled.

Missing landmarks: header, nav, main, footer.

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

Interactive targets look touch-friendly.

Core Open Graph tags are present.

og:image is missing.

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

twitter:card set to summary.

JSON-LD schema detected.

Manifest and Apple touch icon are configured.

2 social preview quality issues detected.

• • ISSUE: Use an absolute URL for og:image or twitter:image.
• • ISSUE: twitter:card should be summary_large_image for richer previews.
• • 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.

Checked 0 links. No broken internal links found.

No broken external links found in checked URLs.

All 0 links use non-empty href values.

Largest Contentful Paint: 0.25s.

Cumulative Layout Shift: 0.005.

Total Blocking Time estimate: 0ms.

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

No console/page runtime errors detected during audit.