Audit Result

UUID: 01a06baf-31d6-72ad-b9ee-36563faf9729

kho.tuanta.xyz

https://kho.tuanta.xyz/login?redirect=/

Scanned 2 days ago

64
Needs Attention
39 total checks
Passed
17
Warnings
16
Errors
6

Meta Information

  • Title Tag Error

    Missing <title> tag.

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

  • Missing meta description.

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

  • Canonical URL Warning

    Canonical link not found.

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

  • Favicon Pass

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

    Favicon
  • Viewport configured: width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0

  • HTML Lang Warning

    No lang attribute on the <html> element.

    Fix: Set <html lang="en"> (or the correct locale) for accessibility and search engines.

Content Structure

  • H1 Tag Error

    No H1 heading found.

    Fix: Use a single, descriptive <h1> that states the primary purpose of the page.

  • Valid heading flow across 0 headings.

  • All 0 images include alt text.

Technical Optimization

  • HTTPS Pass

    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.

    Full HTTP headers (12)
    • • alt-svc: h3=":443"; ma=86400
    • • cache-control: no-store
    • • cf-cache-status: DYNAMIC
    • • cf-ray: a35bdc5b8bf4eb57-IAD
    • • content-encoding: zstd
    • • content-type: text/html; charset=utf-8
    • • date: Fri, 04 Sep 2026 09:10:23 GMT
    • • last-modified: Wed, 26 Aug 2026 08:50:59 GMT
    • • nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
    • • report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=MOnaDcOeAsXgOoeVLzs%2FqlybBzdYl5QS1SSefDduzZTKfUaaJ32XfN3RfK4q%2BR1taD%2B3vtcZk10SEDoMDV%2Bbj7h2Ntm4RpqJ%2FE9GlrE3zZhyLegPfPu%2FlgFYuXdnqd94bt3LEQGG%2FzR5TQHnGg%3D%3D"}]}
    • • server: cloudflare
    • • server-timing: cfCacheStatus;desc="DYNAMIC" cfEdge;dur=11,cfOrigin;dur=679

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

  • CSP Quality Warning

    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 appears to be behind Cloudflare.

    • • server: cloudflare
    • • cf-cache-status: DYNAMIC
    • • cf-ray: a35bdc5b8bf4eb57-IAD
  • Loaded in 4.48s (perceived).

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

  • 14 scripts and 2 styles may block rendering.

    • • script: https://kho.tuanta.xyz/_6de84c9b.c51c432c.async.js
    • • script: https://kho.tuanta.xyz/node_modules_0fb3324d.4a41f479.async.js
    • • script: https://kho.tuanta.xyz/_280a0e54.8d004783.async.js
    • • script: https://kho.tuanta.xyz/_4e8ea7d7.839498d1.async.js
    • • script: https://kho.tuanta.xyz/_839f8f3f.68035238.async.js
    • • script: https://kho.tuanta.xyz/_9280d131.34997bdd.async.js
    • • script: https://kho.tuanta.xyz/node_modules_40d11810.92fda974.async.js
    • • script: https://kho.tuanta.xyz/node_modules_antd_es_0c58951b.09acd000.async.js
    • • script: https://kho.tuanta.xyz/node_modules_d5d95f28.16cbd93c.async.js
    • • script: https://kho.tuanta.xyz/node_modules_7161cb58.8369b991.async.js
    • • script: https://kho.tuanta.xyz/node_modules_fec67c2b.20278de8.async.js
    • • script: https://kho.tuanta.xyz/node_modules_725d3493.2109ae10.async.js
    • • script: https://kho.tuanta.xyz/node_modules_2bb4b990.24e9adf3.async.js
    • • script: https://kho.tuanta.xyz/node_modules_6ad106a8.f5c427f3.async.js
    • • style: https://kho.tuanta.xyz/src_43d86887.2a420a55.css
    • • style: https://kho.tuanta.xyz/src__umi-production_plugin-tailwindcss_tailwind_84960a36.e50f4065.css

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

  • Text-like assets appear compressed.

  • Robots.txt Pass

    Found robots.txt (200).

  • Found sitemap (200) at https://kho.tuanta.xyz/sitemap.xml.

  • No robots meta tag defined.

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

Accessibility Basics

  • Form Labels Error

    3 of 3 controls are missing labels.

    • • input[type="text"]
    • • input[type="text"]#email.ant-input.ant-input-lg (email)
    • • input[type="password"]#password.ant-input.ant-input-lg (password)

    Fix: Associate each form control with a visible label, aria-label, or aria-labelledby.

  • Landmarks Warning

    Missing landmarks: header, nav, main, footer.

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

  • Tap Target Size Warning

    1 interactive elements appear smaller than 48px.

    • • button.ant-btn.ant-btn-primary (Gửi đi) - 328x40px

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

Social & Rich Results

  • 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 Warning

    twitter:card is missing.

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

  • Structured Data Warning

    No JSON-LD schema scripts found.

    Fix: Add JSON-LD structured data matching your page type (Organization, Article, Product, etc.).

  • PWA Metadata Warning

    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.

Links Analysis

Performance & Runtime

  • Largest Contentful Paint: 4.48s.

    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: 67ms.

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

  • 2 JavaScript runtime issues detected.

    • • Request failed: https://kho.tuanta.xyz/auth-api/auth/refresh (HTTP 401, type: xhr)
    • • Failed to load resource: the server responded with a status of 401 () [https://kho.tuanta.xyz/auth-api/auth/refresh:1]

    Fix: Fix JS files returning 404/failed requests and resolve the listed runtime exceptions.