Audit Result

Found 38 characters. Length is optimal.

Found 38 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: /static/img/favicon.ico (HTTP 200).

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

Language declared as "fa".

Exactly one H1 found: "پیش‌بینی هوشمند با SmartDx".

Detected 6 heading level jumps.

• • Skipped from h3 to h5: "انکولوژی" -> "سرطان کولورکتال".
• • Skipped from h3 to h5: "بیماری‌های ریوی" -> "ترومبوآمبولی ریوی".
• • Skipped from h3 to h5: "جراحی" -> "سرطان پستان".
• • Skipped from h3 to h5: "قلب و عروق" -> "مدل های تفسیر پذیر ASCVD".
• • Skipped from h2 to h5: "چرا SmartDx؟" -> "مدل‌های دقیق".
• • Skipped from h2 to h5: "پژوهشگر یا توسعه‌دهنده هستید؟" -> "SmartDx".

Fix: Follow semantic order (h1 -> h2 -> h3) and avoid skipping heading levels.

All 1 images include alt text.

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.

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

3 CSP hardening issues detected.

• • CSP is missing object-src 'none'.
• • CSP is missing a base-uri restriction.
• • CSP is missing frame-ancestors protection.
• • Content-Security-Policy: upgrade-insecure-requests

Fix: Tighten Content-Security-Policy by removing unsafe directives and adding object-src, base-uri, and frame-ancestors restrictions.

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 2.16s (perceived).

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

0 scripts and 5 styles may block rendering.

• • style: https://smartdx.ir/static/fonts/vazirmatn/vazirmatn.css
• • style: https://smartdx.ir/static/css/bootstrap.rtl.min.css
• • style: https://smartdx.ir/static/css/bootstrap-icons.css
• • style: https://smartdx.ir/static/css/custom-v2.css?v=2
• • style: https://smartdx.ir/static/css/maplibre-gl.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://smartdx.ir/robots.txt and allow intended crawlers.

Sitemap missing or inaccessible at https://smartdx.ir/sitemap.xml (404).

Fix: Publish a sitemap.xml and reference it in robots.txt with: Sitemap: https://smartdx.ir/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.

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

6 interactive elements appear smaller than 48px.

• • a.nav-link (خانه) - 88x40px
• • a.nav-link.dropdown-toggle (حوزه‌های پزشکی) - 177x40px
• • a.nav-link (درباره ما) - 110x40px
• • a.nav-link (همکاری در توسعه) - 171x40px
• • button#lang-toggle.btn.btn-icon (تغییر زبان) - 40x40px
• • button#theme-toggle.btn.btn-icon (تغییر تم) - 40x40px

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 16 links. No broken internal links found.

No broken external links found in checked URLs.

1 links are empty, invalid, or placeholder-only.

• • href="#" text="حوزه‌های پزشکی"

Fix: Replace empty/#/javascript href values with real destinations or use buttons for non-navigation actions.

Largest Contentful Paint: 2.16s.

Cumulative Layout Shift: 0.010.

Total Blocking Time estimate: 313ms.

Fix: Reduce heavy JavaScript work, split long tasks, and defer non-critical scripts.

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

No console/page runtime errors detected during audit.