Audit Result

Found 9 characters. Keep title between 30 and 60 characters.

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

Found 117 characters. Good snippet length.

Canonical found: https://mamsm-dev.github.io/mam-tools/

Favicon found and reachable: /mam-tools/assets/favicon-BFDzaPxL.png (HTTP 200).

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

Language declared as "en".

Exactly one H1 found: "MAM Tools".

Valid heading flow across 1 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 0.24s (perceived).

0 scripts and 1 styles may block rendering.

• • style: https://mamsm-dev.github.io/mam-tools/assets/index-CeJDrK3R.css

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

Text-like assets appear compressed.

robots.txt missing or inaccessible (404).

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

Sitemap missing or inaccessible at https://mamsm-dev.github.io/sitemap.xml (404).

Fix: Publish a sitemap.xml and reference it in robots.txt with: Sitemap: https://mamsm-dev.github.io/sitemap.xml

Robots meta found: index, follow

All 2 controls are labeled.

Missing landmarks: nav, footer.

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

15 interactive elements appear smaller than 48px.

• • button.p-2.rounded-lg (Switch to dark mode) - 36x36px
• • button.px-4.py-2 (Text) - 58x36px
• • button.px-4.py-2 (File → Base64) - 124x36px
• • button.px-4.py-2 (Base64 → File) - 124x36px
• • button.px-4.py-2 (Hash) - 65x36px
• • button.px-4.py-2 (QR Code) - 90x36px
• • button.px-4.py-2 (base64) - 79x36px
• • button.px-4.py-2 (hex) - 57x36px
• • button.px-4.py-2 (binary) - 72x36px
• • button.px-4.py-2 (Encode) - 79x36px
• • button.px-4.py-2 (Decode) - 80x36px
• • button.inline-flex.items-center (Copy output to clipboard) - 87x36px
• • button.inline-flex.items-center (Download output as text file) - 139x36px
• • button.inline-flex.items-center (Swap input and output) - 89x36px
• • button.inline-flex.items-center (Clear input and output) - 87x36px

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

Core Open Graph tags are present.

og:image is present and absolute.

twitter:card set to summary_large_image.

No JSON-LD schema scripts found.

Fix: Add JSON-LD structured data matching your page type (Organization, Article, Product, etc.).

Manifest or Apple touch icon is missing.

Fix: Link your web app manifest and apple-touch-icon for improved install/share experiences.

1 social preview quality issues detected.

• • ISSUE: og:title should typically be between 10 and 70 characters.
• • 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.
• • MEASURED: Image size: 1.32 MB
• • MEASURED: Image dimensions: 1731x909

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: 0.24s.

Cumulative Layout Shift: 0.000.

Total Blocking Time estimate: 0ms.

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

No console/page runtime errors detected during audit.