Audit Result

UUID: 019e74f3-e2c6-73a5-8d37-931da0246c78

Share on X Recheck Back to history
langmind.vercel.app

https://langmind.vercel.app/

Scanned 3 months ago

64
Needs Attention
39 total checks
Passed
14
Warnings
22
Errors
3

Meta Information

  • Title Tag Warning

    Found 24 characters. Keep title between 30 and 60 characters.

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

  • Meta Description Error

    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 Warning

    No favicon link found in <head>.

    Fix: Add <link rel="icon" href="/favicon.ico"> to ensure browser tab and bookmark visibility.

  • Viewport Meta Pass

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

  • HTML Lang Pass

    Language declared as "en".

Content Structure

  • H1 Tag Pass

    Exactly one H1 found: "Seus alunos vão falar inglês todos os dias — não só na aula".

  • Heading Hierarchy Warning

    Detected 1 heading level jumps.

    • • Skipped from h2 to h4: "Veja na prática" -> "Aluno Praticando".

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

  • Image Alt Text Pass

    All 4 images include alt text.

Technical Optimization

  • HTTPS Pass

    Page is served over HTTPS.

  • HSTS & HTTPS Redirect Warning

    1 HTTPS hardening issues detected.

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

    Fix: Set Strict-Transport-Security with a long max-age, add includeSubDomains, and redirect all HTTP requests to HTTPS.

  • Security Headers Warning

    Missing: content-security-policy, x-frame-options, x-content-type-options, referrer-policy.

    Full HTTP headers (13)
    • • access-control-allow-origin: *
    • • age: 0
    • • cache-control: public, max-age=0, must-revalidate
    • • content-disposition: inline
    • • content-encoding: br
    • • content-type: text/html; charset=utf-8
    • • date: Fri, 29 May 2026 18:16:39 GMT
    • • etag: W/"4a09e433a995ecc57b249ce27188562b"
    • • last-modified: Fri, 29 May 2026 18:16:39 GMT
    • • server: Vercel
    • • strict-transport-security: max-age=63072000; includeSubDomains; preload
    • • x-vercel-cache: HIT
    • • x-vercel-id: iad1::dxngk-1780078599181-f575974688d8

    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.

  • Cookie Security Pass

    No first-party cookies were set during the initial page load.

  • Server Version Disclosure Pass

    Server response headers do not expose version tokens.

  • Cloudflare Proxy Warning

    Domain does not appear to be behind Cloudflare.

  • Perceived Load Time Pass

    Loaded in 0.60s (perceived).

  • Render Blocking Resources Warning

    2 scripts and 2 styles may block rendering.

    • • script: https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202605260101/show_ads_impl.js?bust=31098806
    • • script: https://unpkg.com/@lottiefiles/lottie-player@latest/dist/lottie-player.js
    • • style: https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap
    • • style: https://langmind.vercel.app/assets/index-De8RSvn3.css

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

  • Compression Warning

    1 text resources look uncompressed.

    • • https://fundingchoicesmessages.google.com/el/AGSKWxUpni1XZU5eYniv3Wa-JIbwPWEXYg4MaIBPf4R5jyKN4_LCa0m9sJeATJCVGADpE8-_JqoeVTrYEeN6567PiR47ekgAqKcYmJ88WqHMThOUyXJIcOMePQXZgC1SUzFoozvMSu-JAw== (text/html; charset=utf-8)

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

  • Robots.txt Error

    robots.txt missing or inaccessible (404).

    Fix: Create a robots.txt file at https://langmind.vercel.app/robots.txt and allow intended crawlers.

  • Sitemap File Warning

    Sitemap missing or inaccessible at https://langmind.vercel.app/sitemap.xml (404).

    Fix: Publish a sitemap.xml and reference it in robots.txt with: Sitemap: https://langmind.vercel.app/sitemap.xml

  • Crawl Directives Warning

    No robots meta tag defined.

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

Accessibility Basics

  • Form Labels Pass

    All 0 controls are labeled.

  • Landmarks Warning

    Missing landmarks: main.

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

  • Tap Target Size Warning

    10 interactive elements appear smaller than 48px.

    • • button.px-3.py-1.5 (PT-BR) - 65x32px
    • • button.px-3.py-1.5 (EN) - 43x32px
    • • a.text-sm.font-bold (Como funciona) - 106x20px
    • • button.hidden.sm:block (Sou Aluno) - 71x20px
    • • button.rounded-xl.bg-blue-600 (Sou Professor) - 163x40px
    • • button.hover:text-blue-600.transition-colors (Área do Aluno) - 108x24px
    • • a.hover:text-blue-600.transition-colors (Sobre) - 45x24px
    • • a.hover:text-blue-600.transition-colors (Contato) - 61x24px
    • • a.hover:text-blue-600.transition-colors (Termos) - 57x24px
    • • a.hover:text-blue-600.transition-colors (Privacidade) - 89x24px

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

Social & Rich Results

  • Open Graph Basics Warning

    Missing og:title or og:description.

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

  • Open Graph Image Warning

    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.

  • 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

  • Internal Links Pass

    Checked 0 links. No broken internal links found.

  • External Links Pass

    No broken external links found in checked URLs.

  • Link Format Warning

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

    • • href="#" text="Sobre"
    • • href="#" text="Contato"
    • • href="#" text="Termos"
    • • href="#" text="Privacidade"

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

Performance & Runtime

  • Core Web Vitals: LCP Pass

    Largest Contentful Paint: 0.93s.

  • Core Web Vitals: CLS Pass

    Cumulative Layout Shift: 0.035.

  • Main Thread Blocking (TBT) Pass

    Total Blocking Time estimate: 47ms.

  • Broken Assets Error

    1 asset requests failed.

    • • https://grainy-gradients.vercel.app/noise.svg (HTTP 404)

    Fix: Fix missing files, update asset URLs, and ensure static assets return HTTP 200.

  • JavaScript Runtime Errors Warning

    1 JavaScript runtime issues detected.

    • • Failed to load resource: the server responded with a status of 404 () [https://grainy-gradients.vercel.app/noise.svg:1]

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