Audit Result

Found 42 characters. Length is optimal.

Found 172 characters. Keep description around 70-160 characters.

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

Canonical found: https://ahroshandel.github.io/

Favicon found and reachable: data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA2NCA2NCI+CiAgPGNpcmNsZSBjeD0iMzIiIGN5PSIzMiIgcj0iMzAiIGZpbGw9IiMxRTg4RTUiLz4KICA8dGV4dCB4PSIzMiIgeT0iMzgiIHRleHQtYW5jaG9yPSJtaWRkbGUiCiAgICAgICAgZm9udC1mYW1pbHk9IkludGVyLEFyaWFsLHNhbnMtc2VyaWYiCiAgICAgICAgZm9udC1zaXplPSIyMiIgZm9udC13ZWlnaHQ9IjcwMCIgZmlsbD0id2hpdGUiPkFSPC90ZXh0Pgo8L3N2Zz4= (HTTP 200).

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

Language declared as "en".

Exactly one H1 found: "Hi, I'm Amirhossein.".

Valid heading flow across 19 headings.

All 1 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 0.18s (perceived).

0 scripts and 1 styles may block rendering.

• • style: https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Plus+Jakarta+Sans:wght@600;700;800&display=swap

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://ahroshandel.github.io/robots.txt and allow intended crawlers.

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

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

Robots meta found: index, follow

All 0 controls are labeled.

Missing landmarks: main.

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

11 interactive elements appear smaller than 48px.

• • a.active (Home) - 70x33px
• • a (About) - 72x33px
• • a (Updates) - 88x33px
• • a (Research) - 93x33px
• • a (Experience) - 105x33px
• • a (Publications) - 111x33px
• • a (Education) - 97x33px
• • a (Teaching) - 92x33px
• • a (Interests) - 89x33px
• • a (Contact) - 84x33px
• • button#themeToggle.theme (Toggle theme) - 44x44px

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 is missing.

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

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.

3 social preview quality issues detected.

• • ISSUE: Preview image is below recommended size (1200x630).
• • ISSUE: Preview image aspect ratio (1.00) differs from the recommended ~1.91:1.
• • 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.
• • MEASURED: Image size: 0.57 MB
• • MEASURED: Image dimensions: 1024x1024

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

Checked 6 links. No broken internal links found.

2 external links returned errors or timed out.

• • https://www.linkedin.com/in/amirhossein-roshandel-0ab09a138/ (HTTP 999)
• • https://scholar.google.com/citations?hl=en&user=E-QpN74AAAAJ&view_op=list_works&sortby=pubdate (HTTP 403)

Fix: Replace dead external URLs or point to working alternatives.

All 30 links use non-empty href values.

Largest Contentful Paint: 0.18s.

Cumulative Layout Shift: 0.053.

Total Blocking Time estimate: 0ms.

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

No console/page runtime errors detected during audit.