Audit Result

Found 56 characters. Length is optimal.

Found 151 characters. Good snippet length.

Canonical found: https://charsoustudio.com/

Favicon found and reachable: /static/images/favicon.59708725a95e.ico (HTTP 200).

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

Language declared as "fa".

Exactly one H1 found: "استودیو معماری چارسو".

Valid heading flow across 2 headings.

All 3 images include alt text.

Page is served over HTTPS.

1 HTTPS hardening issues detected.

• • Could not probe the HTTP version of this page.
• • Strict-Transport-Security: max-age=31536000; includeSubDomains

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

Core security headers were detected.

Content Security Policy looks restrictive and avoids common unsafe directives.

• • Content-Security-Policy: default-src 'self'; script-src 'self' 'nonce-sWxySuHggiecyYh5aI6wVw' https://www.googletagmanager.com; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob: https://*.google-analytics.com https://*.googletagmanager.com; font-src 'self' data:; media-src 'self' blob:; connect-src 'self' https://*.google-analytics.com https://*.analytics.google.com https://*.googletagmanager.com; frame-src 'self' https://neshan.org https://*.neshan.org https://www.aparat.com https://aparat.com; worker-src 'self' blob:; object-src 'none'; base-uri 'self'; form-action 'self'; frame-ancestors 'none'; upgrade-insecure-requests

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 0.90s (perceived).

0 scripts and 4 styles may block rendering.

• • style: https://charsoustudio.com/static/css/base.e3de4162945d.css
• • style: https://charsoustudio.com/static/css/navbar.fb425b484551.css
• • style: https://charsoustudio.com/static/css/help_widget.94a8442349ca.css
• • style: https://charsoustudio.com/static/css/home.41a7f1035e20.css

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

Text-like assets appear compressed.

Found robots.txt (200).

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

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

All 2 controls are labeled.

Missing landmarks: footer.

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

7 interactive elements appear smaller than 48px.

• • a.nav-link.active (خانه) - 56x39px
• • a.nav-link (درباره ما) - 77x39px
• • a.nav-link (پروژه‌ها) - 71x39px
• • a.nav-link (چارسوخانه) - 90x39px
• • a.nav-link (تماس) - 66x39px
• • button#langToggle.lang-toggle (زبان / Language / اللغة) - 80x36px
• • button#themeSwitch.theme-switch (تغییر تم) - 36x36px

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.

JSON-LD schema detected.

Manifest and Apple touch icon are configured.

Social preview metadata and image quality look good for Open Graph/Twitter.

• • 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: 0.02 MB
• • MEASURED: Image dimensions: 1200x630

Checked 7 links. No broken internal links found.

No broken external links found in checked URLs.

All 11 links use non-empty href values.

Largest Contentful Paint: 1.25s.

Cumulative Layout Shift: 0.001.

Total Blocking Time estimate: 0ms.

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

No console/page runtime errors detected during audit.