Audit Result

Found 13 characters. Keep title between 30 and 60 characters.

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

Found 53 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: /brand/logo-ATCHub.png (HTTP 200).

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

Language declared as "fa".

Exactly one H1 found: "دانش هوانوردی، از برج مراقبت تا آسمان".

Valid heading flow across 21 headings.

3 of 10 images are missing alt text.

Fix: Add meaningful alt attributes to all informative images for accessibility and image SEO.

Page is served over HTTPS.

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.

Missing: strict-transport-security, 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.

Versioned headers detected: server.

• • server: nginx/1.24.0 (Ubuntu)

Fix: Hide or remove version tokens in Server and X-Powered-By headers.

Domain does not appear to be behind Cloudflare.

Loaded in 3.24s (perceived).

Fix: Reduce payload size, cache static assets, and remove non-critical JS from initial load.

0 scripts and 1 styles may block rendering.

• • style: https://atchub.ir/assets/index-Bgma1pYg.css

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

37 text resources look uncompressed.

• • https://atchub.ir/assets/createLucideIcon-DJz-r3Db.js (application/javascript)
• • https://atchub.ir/assets/removable-BGsKoYLx.js (application/javascript)
• • https://atchub.ir/assets/index-Bgma1pYg.css (text/css)
• • https://atchub.ir/assets/ui-CJeKq3x9.js (application/javascript)
• • https://atchub.ir/assets/index-Dz3dT7N0.js (application/javascript)
• • https://atchub.ir/assets/book-open-BfJFpC0J.js (application/javascript)
• • https://atchub.ir/assets/home-CTzTQW5t.js (application/javascript)
• • https://atchub.ir/assets/arrow-left-BP0jO2d-.js (application/javascript)
• • https://atchub.ir/assets/useQuery-B7sWRZH8.js (application/javascript)
• • https://atchub.ir/assets/articles-Cww5Cz5D.js (application/javascript)
• • https://atchub.ir/assets/building-2-DqZeUg-_.js (application/javascript)
• • https://atchub.ir/assets/circle-check-CPRhx-4G.js (application/javascript)
• • https://atchub.ir/assets/image-BzhYzSgr.js (application/javascript)
• • https://atchub.ir/assets/message-square-C_Ww5l2R.js (application/javascript)
• • https://atchub.ir/assets/trash-2-BBXZi_Cu.js (application/javascript)
• • https://atchub.ir/assets/topic-DyMSQeSq.js (application/javascript)
• • https://atchub.ir/assets/article-BeeOSMkH.js (application/javascript)
• • https://atchub.ir/assets/layers-uuUJ629C.js (application/javascript)
• • https://atchub.ir/assets/components-DDIHeJF1.js (application/javascript)
• • https://atchub.ir/assets/shield-check-C8Hz9MHo.js (application/javascript)
• • https://atchub.ir/assets/grip-vertical-Cm7H_FJS.js (application/javascript)
• • https://atchub.ir/assets/plus-BLC-baaz.js (application/javascript)
• • https://atchub.ir/assets/star-DqpFfyKq.js (application/javascript)
• • https://atchub.ir/assets/upload-WiZX9k49.js (application/javascript)
• • https://atchub.ir/assets/video-7WfsQMPW.js (application/javascript)
• • ...and 12 more

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

Found robots.txt (200).

Found sitemap (200) at https://atchub.ir/sitemap.xml.

No robots meta tag defined.

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

All 4 controls are labeled.

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

20 interactive elements appear smaller than 48px.

• • a.site-brand (ATCHubATCHubمرجع دانش هوانوردی و ATC) - 101x28px
• • button.header-search (جستجو) - 143x40px
• • button.icon-button (فعال‌کردن پوسته تیره) - 42x42px
• • button.button.button--primary (طرح سؤال) - 102x46px
• • a.header-login (ورود) - 48x41px
• • a (مشاهده همه فرکانس‌ها) - 149x24px
• • a (همه مطالب) - 83x24px
• • a (مشاهده همه اسناد) - 124x24px
• • a (همه پرسش‌ها) - 96x24px
• • a (#ATC) - 44x27px
• • a (همه موضوعات) - 98x24px
• • button.button.button--primary (ارسال پیام) - 140x46px
• • a.site-footer__brand (ATCHubATCHubAVIATION KNOWLEDGE CENTER) - 101x28px
• • a.site-footer__about (درباره ATCHub) - 93x24px
• • a (مقالات آموزشی) - 90x29px
• • a (مخزن اسناد) - 76x29px
• • a (پرسش و پاسخ) - 87x29px
• • a (موضوعات) - 45x29px
• • a (متخصصان) - 50x29px
• • a (راهنمای استفاده) - 98x29px

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

Missing og:title or og:description.

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

og:image is missing.

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

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.

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.

Checked 30 links. No broken internal links found.

4 external links returned errors or timed out.

• • https://www.liveatc.net/hlisten.php?mount=kjfk_twr&icao=kjfk (HTTP 403)
• • https://www.liveatc.net/hlisten.php?mount=kjfk9_gnd&icao=kjfk (HTTP 403)
• • https://www.liveatc.net/hlisten.php?mount=kjfk9_app_camrn&icao=kjfk (HTTP 403)
• • https://www.liveatc.net/hlisten.php?mount=kjfk_del3&icao=kjfk (HTTP 403)

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

All 52 links use non-empty href values.

Largest Contentful Paint: 3.24s.

Fix: Improve LCP by optimizing above-the-fold media, reducing server latency, and inlining critical CSS.

Cumulative Layout Shift: 0.000.

Total Blocking Time estimate: 171ms.

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

No console/page runtime errors detected during audit.