Audit Result

Found 33 characters. Length is optimal.

Found 88 characters. Good snippet length.

Canonical link not found.

Fix: Add <link rel="canonical" href="https://example.com/page"> to avoid duplicate URL ambiguity.

Favicon found and reachable: /favicon.svg (HTTP 200).

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

Language declared as "vi".

Exactly one H1 found: "Một khoảng trờiđể đi vào.".

Valid heading flow across 6 headings.

26 of 46 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.

• • HSTS is missing includeSubDomains.
• • Could not probe the HTTP version of this page.
• • Strict-Transport-Security: max-age=63072000

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 0.41s (perceived).

0 scripts and 3 styles may block rendering.

• • style: https://pha.zone/assets/styles-BcYukvhx.css
• • style: https://pha.zone/assets/routes-CNB58Jpi.css
• • style: https://pha.zone/assets/AboutSection-BBmm_TLy.css

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

2 text resources look uncompressed.

• • https://pha.zone/assets/rolldown-runtime-hePW80VL.js (application/javascript; charset=utf-8)
• • https://pha.zone/assets/arrow-up-right-BnNtTsFs.js (application/javascript; charset=utf-8)

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

robots.txt missing or inaccessible (404).

Fix: Create a robots.txt file at https://pha.zone/robots.txt and allow intended crawlers.

Sitemap missing or inaccessible at https://pha.zone/sitemap.xml (404).

Fix: Publish a sitemap.xml and reference it in robots.txt with: Sitemap: https://pha.zone/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, main.

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

6 interactive elements appear smaller than 48px.

• • a.font-medium.tracking-tight (pha.) - 34x26px
• • a.btn-link.press (Pha Motion Atlas) - 150x26px
• • button.pc-contact-btn (gặp Pha Pha) - 80x44px
• • button.depth-carousel__arrow.depth-carousel__arrow--prev (Project trước) - 44x44px
• • button.depth-carousel__arrow.depth-carousel__arrow--next (Project tiếp) - 44x44px
• • a.inline-flex.items-center (xem design system) - 154x24px

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 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 and Apple touch icon are configured.

2 social preview quality issues detected.

• • ISSUE: og:url should be an absolute URL.
• • ISSUE: og:description should typically be between 50 and 200 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: 0.03 MB
• • MEASURED: Image dimensions: 1200x630

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

Checked 8 links. No broken internal links found.

No broken external links found in checked URLs.

All 32 links use non-empty href values.

Largest Contentful Paint: 0.41s.

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.