Audit Result

UUID: 01a09a73-e8b1-7314-a761-e92349839f84

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dbcheck.app

https://dbcheck.app/

Scanned 1 month ago

87
Excellent Score
39 total checks
Passed
31
Warnings
6
Errors
2

Meta Information

  • Title Tag Pass

    Found 60 characters. Length is optimal.

  • Meta Description Pass

    Found 136 characters. Good snippet length.

  • Canonical URL Pass

    Canonical found: https://dbcheck.app/

  • Favicon Pass

    Favicon found and reachable: /dbcheck-logo.svg?v=2 (HTTP 200).

    Favicon
  • Viewport Meta Pass

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

  • HTML Lang Pass

    Language declared as "en".

Content Structure

  • H1 Tag Pass

    Exactly one H1 found: "Understand the sound around you.".

  • Heading Hierarchy Pass

    Valid heading flow across 23 headings.

  • Image Alt Text Error

    6 of 6 images are missing alt text.

    Fix: Add meaningful alt attributes to all informative images for accessibility and image SEO.

Technical Optimization

  • HTTPS Pass

    Page is served over HTTPS.

  • HSTS & HTTPS Redirect Warning

    3 HTTPS hardening issues detected.

    • • HSTS max-age is too short (7776000s).
    • • HSTS is missing includeSubDomains.
    • • Could not probe the HTTP version of this page.
    • • Strict-Transport-Security: max-age=7776000

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

  • Security Headers Pass

    Core security headers were detected.

    Full HTTP headers (17)
    • • alt-svc: h3=":443"; ma=86400
    • • cache-control: public, max-age=0, must-revalidate
    • • cf-cache-status: HIT
    • • cf-ray: a3a6b1043abe39c0-IAD
    • • content-encoding: zstd
    • • content-security-policy: default-src 'self'; base-uri 'self'; object-src 'none'; frame-ancestors 'none'; form-action 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; img-src 'self'; media-src 'self'; connect-src 'self'; worker-src 'self'; upgrade-insecure-requests
    • • content-type: text/html
    • • date: Sun, 13 Sep 2026 11:08:00 GMT
    • • etag: W/"8463d114532081653c39b5d2d31acc08"
    • • nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
    • • permissions-policy: accelerometer=(), camera=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), payment=(), usb=()
    • • referrer-policy: strict-origin-when-cross-origin
    • • report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=zDQqMjoQsOUJKcGNrHj8Q7o7F38RP5unI%2BhPweEfn0yIk82ChT62raYPmEg31A7DjDPV2B5WF%2BB81uNQoiaVAPaEBnlRzBc8hb16Qe3iKVdMMCV%2FRA5ZWkfzsFs91Y%2B8QPdxoROoFYkvgw%3D%3D"}]}
    • • server: cloudflare
    • • strict-transport-security: max-age=7776000
    • • x-content-type-options: nosniff
    • • x-frame-options: DENY
  • CSP Quality Error

    1 CSP hardening issues detected.

    • • script-src/default-src permits 'unsafe-inline'.
    • • Content-Security-Policy: default-src 'self'; base-uri 'self'; object-src 'none'; frame-ancestors 'none'; form-action 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; img-src 'self'; media-src 'self'; connect-src 'self'; worker-src 'self'; upgrade-insecure-requests

    Fix: Tighten Content-Security-Policy by removing unsafe directives and adding object-src, base-uri, and frame-ancestors restrictions.

  • 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 Pass

    Domain appears to be behind Cloudflare.

    • • server: cloudflare
    • • cf-cache-status: HIT
    • • cf-ray: a3a6b1043abe39c0-IAD
  • Perceived Load Time Pass

    Loaded in 0.36s (perceived).

  • Render Blocking Resources Warning

    0 scripts and 4 styles may block rendering.

    • • style: https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600;700&family=Instrument+Sans:[email protected]&display=swap
    • • style: https://dbcheck.app/_astro/index.CNAiZrNq.css
    • • style: https://dbcheck.app/_astro/Base.CenWaSnO.css
    • • style: https://dbcheck.app/_astro/SoundExplorer.DJ_vzOkh.css

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

  • Compression Pass

    Text-like assets appear compressed.

  • Robots.txt Pass

    Found robots.txt (200).

  • Sitemap File Pass

    Found sitemap (200) at https://dbcheck.app/sitemap-index.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 Pass

    Header, nav, main, and footer landmarks are present.

  • Tap Target Size Warning

    24 interactive elements appear smaller than 48px.

    • • a.skip-link (Skip to content) - 145x40px
    • • a.wordmark (dBcheck) - 120x36px
    • • a (Tools) - 34x21px
    • • a (Features) - 57x21px
    • • a (Pricing) - 47x21px
    • • a (Articles) - 51x21px
    • • button#listen-btn.btn.btn-primary (Listen to the film) - 236x42px
    • • a.why-tool-link (Estimate level and exposure time →) - 238x18px
    • • button.sound-marker.everyday (Whisper) - 49x34px
    • • button.sound-marker.everyday (Normal conversation) - 133x34px
    • • button.sound-marker.everyday (Vacuum cleaner) - 98x34px
    • • button.sound-marker.warning (Busy traffic) - 84x34px
    • • button.sound-marker.warning (Lawn mower) - 70x34px
    • • button.sound-marker.danger (Concert) - 49x34px
    • • button.sound-marker.warning (Baby crying) - 77x34px
    • • button.sound-marker.danger (Siren) - 46x34px
    • • button.sound-marker.danger (Fireworks) - 63x34px
    • • a (Tools) - 254x21px
    • • a (Features) - 254x21px
    • • a (Pricing) - 254x21px
    • • a (Articles) - 254x21px
    • • a (About the maker) - 254x21px
    • • a (Other apps) - 254x21px
    • • a (Contact) - 254x21px

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

Social & Rich Results

  • Open Graph Basics Pass

    Core Open Graph tags are present.

  • Open Graph Image Pass

    og:image is present and absolute.

    Open Graph Image
  • Twitter Card Pass

    twitter:card set to summary_large_image.

  • Structured Data Pass

    JSON-LD schema detected.

  • 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

    1 social preview quality issues detected.

    • • ISSUE: Failed to fetch preview image: network error.
    • • 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 15 links. No broken internal links found.

  • External Links Pass

    No broken external links found in checked URLs.

  • Link Format Pass

    All 30 links use non-empty href values.

Performance & Runtime