Audit Result
UUID: 01a06bd4-f756-702f-975d-398a73c4c17d
https://sanxuat.minhnn.fun/login
Scanned 2 days ago
Meta Information
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Title Tag Warning
Found 25 characters. Keep title between 30 and 60 characters.
Fix: Add a unique <title> tag describing the main page intent in 30-60 characters.
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Meta Description Error
Missing meta description.
Fix: Add <meta name="description" content="..."> in <head> with a clear page summary.
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Canonical URL Warning
Canonical link not found.
Fix: Add <link rel="canonical" href="https://example.com/page"> to avoid duplicate URL ambiguity.
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Viewport Meta Pass
Viewport configured: width=device-width, initial-scale=1.0
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HTML Lang Pass
Language declared as "en".
Content Structure
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H1 Tag Pass
Exactly one H1 found: "Đăng nhập".
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Heading Hierarchy Pass
Valid heading flow across 2 headings.
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Image Alt Text Pass
All 0 images include alt text.
Technical Optimization
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HTTPS Pass
Page is served over HTTPS.
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HSTS & HTTPS Redirect Warning
2 HTTPS hardening issues detected.
- • HSTS max-age is too short (2592000s).
- • Could not probe the HTTP version of this page.
- • Strict-Transport-Security: max-age=2592000; includeSubDomains
Fix: Set Strict-Transport-Security with a long max-age, add includeSubDomains, and redirect all HTTP requests to HTTPS.
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Security Headers Warning
Missing: content-security-policy, x-frame-options, referrer-policy.
Full HTTP headers (14)
- • alt-svc: h3=":443"; ma=86400
- • cf-cache-status: DYNAMIC
- • cf-ray: a35c1906096713b6-IAD
- • content-encoding: zstd
- • content-type: text/html
- • date: Fri, 04 Sep 2026 09:51:48 GMT
- • last-modified: Thu, 03 Sep 2026 12:50:00 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=RN2zG4M%2BAYnImweBTXia%2FWJAqx4%2FKrVrl2B0cekVDIKfTgftByama1NAH8968bmZ%2BQvKQ7%2FdZI7UOOwWlZW35S23qLdnREYhQoAbIJZkS74v6%2BTSUD4XCY%2BEMSYhygJsWDFi7MEWh5XLOASxOQHDiW4%3D"}]}
- • server: cloudflare
- • server-timing: cfCacheStatus;desc="DYNAMIC" cfEdge;dur=27,cfOrigin;dur=717
- • speculation-rules: "/cdn-cgi/speculation"
- • strict-transport-security: max-age=2592000; includeSubDomains
- • x-content-type-options: nosniff
Fix: Add the missing security headers at your reverse proxy or application layer.
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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.
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Cookie Security Pass
No first-party cookies were set during the initial page load.
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Server response headers do not expose version tokens.
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Cloudflare Proxy Pass
Domain appears to be behind Cloudflare.
- • server: cloudflare
- • cf-cache-status: DYNAMIC
- • cf-ray: a35c1906096713b6-IAD
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Perceived Load Time Error
Loaded in 3.16s (perceived).
Fix: Reduce payload size, cache static assets, and remove non-critical JS from initial load.
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Render Blocking Resources Warning
0 scripts and 1 styles may block rendering.
- • style: https://sanxuat.minhnn.fun/assets/index-RhOXsCVV.css
Fix: Defer non-critical scripts and inline critical CSS to improve first paint speed.
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Compression Pass
Text-like assets appear compressed.
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Robots.txt Pass
Found robots.txt (200).
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Sitemap File Pass
Found sitemap (200) at https://sanxuat.minhnn.fun/sitemap.xml.
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Crawl Directives Warning
No robots meta tag defined.
Fix: Add <meta name="robots" content="index,follow"> (or the intended directive) in <head>.
Accessibility Basics
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Form Labels Pass
All 2 controls are labeled.
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Landmarks Warning
Missing landmarks: header, nav, main, footer.
Fix: Use semantic regions (<header>, <nav>, <main>, <footer>) for navigation and assistive tech.
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Tap Target Size Pass
Interactive targets look touch-friendly.
Social & Rich Results
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Open Graph Basics Warning
Missing og:title or og:description.
Fix: Add og:title and og:description tags to control social preview text.
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Open Graph Image Warning
og:image is missing.
Fix: Add <meta property="og:image" content="https://..."> with a high-quality share image.
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Twitter Card Warning
twitter:card is missing.
Fix: Add <meta name="twitter:card" content="summary_large_image"> for better previews on X.
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Structured Data Warning
No JSON-LD schema scripts found.
Fix: Add JSON-LD structured data matching your page type (Organization, Article, Product, etc.).
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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.
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Open Graph/Twitter Quality Warning
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
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Internal Links Pass
Checked 0 links. No broken internal links found.
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External Links Pass
No broken external links found in checked URLs.
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Link Format Pass
All 0 links use non-empty href values.
Performance & Runtime
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Core Web Vitals: LCP Warning
Largest Contentful Paint: 3.16s.
Fix: Improve LCP by optimizing above-the-fold media, reducing server latency, and inlining critical CSS.
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Core Web Vitals: CLS Pass
Cumulative Layout Shift: 0.004.
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Total Blocking Time estimate: 158ms.
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Broken Assets Pass
No failed CSS/JS/image/font/media requests detected.
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No console/page runtime errors detected during audit.