Audit Result

UUID: 019ff6ec-2ccb-72df-9ba2-a1b76384c743

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linguazap.vercel.app

https://linguazap.vercel.app/

Scanned 3 weeks ago

78
Fair Score
39 total checks
Passed
22
Warnings
17
Errors
0

Meta Information

  • Title Tag Pass

    Found 46 characters. Length is optimal.

  • Meta Description Pass

    Found 137 characters. Good snippet length.

  • 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.svg (HTTP 200).

    Favicon
  • 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: "Treine inglês por áudio no WhatsApp e evolua toda semana.".

  • Heading Hierarchy Warning

    Detected 1 heading level jumps.

    • • Skipped from h2 to h4: "Sua evolução não fica na memória. Ela fica registrada." -> "Fluency Index".

    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 (14)
    • • accept-ranges: bytes
    • • access-control-allow-origin: *
    • • age: 0
    • • cache-control: public, max-age=0, must-revalidate
    • • content-disposition: inline
    • • content-length: 682
    • • content-type: text/html; charset=utf-8
    • • date: Wed, 12 Aug 2026 17:01:38 GMT
    • • etag: "f74f6f03366b9f6df4464f3afa1bdda2"
    • • last-modified: Wed, 12 Aug 2026 17:01:38 GMT
    • • server: Vercel
    • • strict-transport-security: max-age=63072000; includeSubDomains; preload
    • • x-vercel-cache: MISS
    • • x-vercel-id: iad1::gjf4z-1786554098483-7bf6b6d9897f

    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 0.66s (perceived).

  • Render Blocking Resources Warning

    0 scripts and 1 styles may block rendering.

    • • style: https://linguazap.vercel.app/assets/index-BSXIt8gp.css

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

  • Compression Warning

    1 text resources look uncompressed.

    • • https://linguazap.vercel.app/ (text/html; charset=utf-8)

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

  • Robots.txt Pass

    Found robots.txt (200).

  • Sitemap File Pass

    Found sitemap (200) at https://linguazap.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: nav, main.

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

  • Tap Target Size Warning

    2 interactive elements appear smaller than 48px.

    • • a.hidden.sm:inline-flex (Entrar no beta) - 146x36px
    • • a.rounded-xl.border (Ver Planos) - 118x38px

    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

Performance & Runtime