Audit Result

UUID: 019ff60f-44db-7102-ba8c-c803a65ff6dd

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davio.vercel.app

https://davio.vercel.app/en

Scanned 3 weeks ago

83
Fair Score
39 total checks
Passed
26
Warnings
13
Errors
0

Meta Information

  • Title Tag Pass

    Found 36 characters. Length is optimal.

  • Meta Description Pass

    Found 129 characters. Good snippet length.

  • Canonical URL Pass

    Canonical found: https://davio.vercel.app/en

  • 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

  • HTML Lang Pass

    Language declared as "en".

Content Structure

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=31536000; 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.

    Full HTTP headers (17)
    • • age: 0
    • • cache-control: private, no-cache, no-store, max-age=0, must-revalidate
    • • content-encoding: br
    • • content-type: text/html; charset=utf-8
    • • date: Wed, 12 Aug 2026 13:00:19 GMT
    • • link: <https://davio.vercel.app/en>; rel="alternate"; hreflang="en", <https://davio.vercel.app/de>; rel="alternate"; hreflang="de", <https://davio.vercel.app/fr>; rel="alternate"; hreflang="fr", <https://davio.vercel.app/es>; rel="alternate"; hreflang="es", <https://davio.vercel.app/nl>; rel="alternate"; hreflang="nl", <https://davio.vercel.app/>; rel="alternate"; hreflang="x-default" </_next/static/media/70bc3e132a0a741e-s.p.3t6q91iet4nsy.woff2>; rel=preload; as="font"; crossorigin=""; type="font/woff2", </_next/static/media/797e433ab948586e-s.p.0r6juujl39pe6.woff2>; rel=preload; as="font"; crossorigin=""; type="font/woff2", </_next/static/media/83afe278b6a6bb3c-s.p.2bn3s6zvc0dyp.woff2>; rel=preload; as="font"; crossorigin=""; type="font/woff2"
    • • permissions-policy: camera=(), microphone=(), geolocation=(), browsing-topics=()
    • • referrer-policy: strict-origin-when-cross-origin
    • • server: Vercel
    • • strict-transport-security: max-age=31536000; includeSubDomains; preload
    • • vary: rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch
    • • x-content-type-options: nosniff
    • • x-frame-options: DENY
    • • x-matched-path: /[locale]
    • • x-powered-by: Next.js
    • • x-vercel-cache: MISS
    • • x-vercel-id: iad1::iad1::zz62c-1786539617584-0d64d27c9fcd

    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 Warning

    Loaded in 2.65s (perceived).

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

  • Render Blocking Resources Warning

    14 scripts and 3 styles may block rendering.

    • • script: https://davio.vercel.app/_next/static/chunks/0cz1d0mv5g_q7.js
    • • script: https://davio.vercel.app/_next/static/chunks/2qix1gbxqf8g4.js
    • • script: https://davio.vercel.app/_next/static/chunks/1-zn9n-0g5iv4.js
    • • script: https://davio.vercel.app/_next/static/chunks/1o4acmtomifrf.js
    • • script: https://davio.vercel.app/_next/static/chunks/0gh0weqd4xtre.js
    • • script: https://davio.vercel.app/_next/static/chunks/43vti7a6vam87.js
    • • script: https://davio.vercel.app/_next/static/chunks/2olqxjsgyyo-b.js
    • • script: https://davio.vercel.app/_next/static/chunks/18xta74f50eln.js
    • • script: https://davio.vercel.app/_next/static/chunks/3iv8ghjgi2jzv.js
    • • script: https://davio.vercel.app/_next/static/chunks/1pqd0848h13o2.js
    • • script: https://davio.vercel.app/_next/static/chunks/3__tc91q1sqzb.js
    • • script: https://davio.vercel.app/_next/static/chunks/0-z2z4gzrg-6j.js
    • • script: https://davio.vercel.app/_next/static/chunks/2okr6oqbc-2l_.js
    • • script: https://davio.vercel.app/_next/static/chunks/0yd-rgcq_wpl_.js
    • • style: https://davio.vercel.app/_next/static/chunks/44s_117qxmg4w.css
    • • style: https://davio.vercel.app/_next/static/chunks/3k2l48yig0bjs.css
    • • style: https://davio.vercel.app/_next/static/chunks/1aq84d9s4gg2k.css

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

  • Compression Warning

    1 text resources look uncompressed.

    • • https://davio.vercel.app/_next/static/chunks/0gwjpe_ni6efo.js (application/javascript; 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://davio.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 1 controls are labeled.

  • Landmarks Pass

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

  • Tap Target Size Warning

    25 interactive elements appear smaller than 48px.

    • • button.items-center.justify-center (Toggle scanlines) - 40x40px
    • • a.skip-link (Skip to content) - 152x37px
    • • a.flex.items-center (Davio✨) - 123x36px
    • • a.text-xs.xl:text-sm (Features) - 86x20px
    • • a.text-xs.xl:text-sm (Commands) - 86x20px
    • • a.text-xs.xl:text-sm (Premium) - 77x20px
    • • a.text-xs.xl:text-sm (FAQ) - 42x20px
    • • a.text-xs.xl:text-sm (Status) - 68x20px
    • • button#radix-_r_a4_.inline-flex.items-center (Switch language) - 40x40px
    • • button.inline-flex.items-center (Open search) - 40x40px
    • • button.inline-flex.items-center (Toggle theme) - 40x40px
    • • a.inline-flex.items-center (Add to DiscordInvite) - 158x40px
    • • a.absolute.top-3 (View bot status page (opens in new tab)) - 16x16px
    • • a.inline-flex.items-center (Free plan - Invite Link) - 356x40px
    • • a.inline-flex.items-center (Popular Premium plan - Get Premium) - 356x40px
    • • a.inline-flex.items-center (Custom Instance plan - Contact Us) - 357x40px
    • • a.inline-flex.items-center (Features) - 64x20px
    • • a.inline-flex.items-center (Commands) - 64x20px
    • • a.inline-flex.items-center (Premium) - 56x20px
    • • a.inline-flex.items-center (Roadmap) - 56x20px
    • • a.inline-flex.items-center (Add to Discord) - 112x20px
    • • a.inline-flex.items-center (Documentation) - 104x20px
    • • a.inline-flex.items-center (Blog) - 32x20px
    • • a.inline-flex.items-center (RSS Feed) - 64x20px
    • • a.inline-flex.items-center (Support Server) - 112x20px

    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 Pass

    Manifest and Apple touch icon are configured.

  • Open Graph/Twitter Quality Pass

    Social preview metadata and image quality look good for Open Graph/Twitter.

    • • 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.
    • • MEASURED: Image size: 0.41 MB
    • • MEASURED: Image dimensions: 6400x3600

Links Analysis

  • Internal Links Pass

    Checked 28 links. No broken internal links found.

  • External Links Warning

    6 external links returned errors or timed out.

    • • https://status.davio.top/ (network-error)
    • • https://top.gg/bot/1291425548579635281 (HTTP 403)
    • • https://discord.bots.gg/bots/1291425548579635281 (HTTP 404)
    • • https://top.gg/bot/davio (HTTP 403)
    • • https://x.com/daviobot (HTTP 404)
    • • https://reddit.com/r/daviobot (HTTP 403)

    Fix: Replace dead external URLs or point to working alternatives.

  • Link Format Pass

    All 50 links use non-empty href values.

Performance & Runtime

  • Core Web Vitals: LCP Warning

    Largest Contentful Paint: 3.03s.

    Fix: Improve LCP by optimizing above-the-fold media, reducing server latency, and inlining critical CSS.

  • Core Web Vitals: CLS Pass

    Cumulative Layout Shift: 0.000.

  • Main Thread Blocking (TBT) Pass

    Total Blocking Time estimate: 6ms.

  • Broken Assets Pass

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

  • JavaScript Runtime Errors Warning

    7 JavaScript runtime issues detected.

    • • Request failed: https://davio.vercel.app/api/bot-status (HTTP 503, type: fetch)
    • • Request failed: https://davio.vercel.app/en/premium?_rsc=nlkIS4QE5IKf4tXk (net::ERR_ABORTED, type: fetch)
    • • Request failed: https://davio.vercel.app/en (net::ERR_ABORTED, type: fetch)
    • • Request failed: https://davio.vercel.app/en/commands?_rsc=ebEBMeCVbG0EGZSt (net::ERR_ABORTED, type: fetch)
    • • Request failed: https://davio.vercel.app/en?_rsc=1vwYfVB7_E9t4fEj (net::ERR_ABORTED, type: fetch)
    • • Request failed: https://davio.vercel.app/en/setup?_rsc=1r2CUowfbk96DD3A (net::ERR_ABORTED, type: fetch)
    • • Failed to load resource: the server responded with a status of 503 () [https://davio.vercel.app/api/bot-status:1]

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