Audit Result

UUID: 019e1be8-cd28-730f-a5f8-4a3a7f6da835

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billdrop.app

https://billdrop.app/

Scanned 3 months ago

78
Fair Score
39 total checks
Passed
25
Warnings
11
Errors
3

Meta Information

  • Title Tag Pass

    Found 52 characters. Length is optimal.

  • Meta Description Warning

    Found 169 characters. Keep description around 70-160 characters.

    Fix: Add <meta name="description" content="..."> in <head> with a clear page summary.

  • Canonical URL Pass

    Canonical found: https://billdrop.app

  • Favicon Pass

    Favicon found and reachable: /favicon.ico?favicon.0b6inxkwmb~dq.ico (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: "Billdrop".

  • Heading Hierarchy Pass

    Valid heading flow across 34 headings.

  • Image Alt Text Error

    1 of 1 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

    2 HTTPS hardening issues detected.

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

    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 (16)
    • • 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: Tue, 12 May 2026 11:18:18 GMT
    • • link: </_next/static/media/797e433ab948586e-s.p.0.q-h669a_dqa.woff2>; rel=preload; as="font"; crossorigin=""; type="font/woff2", </_next/static/media/fba5a26ea33df6a3-s.p.0eehd8tgys7nv.woff2>; rel=preload; as="font"; crossorigin=""; type="font/woff2", </_next/static/chunks/0m1omyglaacx2.css>; rel=preload; as="style", </_next/static/chunks/0-~df7oz3hgsi.css>; rel=preload; as="style"
    • • referrer-policy: strict-origin-when-cross-origin
    • • server: Vercel
    • • strict-transport-security: max-age=63072000
    • • vary: rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch
    • • x-content-type-options: nosniff
    • • x-frame-options: SAMEORIGIN
    • • x-matched-path: /
    • • x-vercel-cache: MISS
    • • x-vercel-id: iad1::iad1::z2pcd-1778584695797-eeb55b762d20
    • • x-xss-protection: 1; mode=block

    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 Error

    Loaded in 3.26s (perceived).

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

  • Render Blocking Resources Warning

    1 scripts and 2 styles may block rendering.

    • • script: https://billdrop.app/_next/static/chunks/03~yq9q893hmn.js
    • • style: https://billdrop.app/_next/static/chunks/0m1omyglaacx2.css
    • • style: https://billdrop.app/_next/static/chunks/0-~df7oz3hgsi.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://billdrop.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 Pass

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

  • Tap Target Size Warning

    18 interactive elements appear smaller than 48px.

    • • a.flex.items-center (Billdrop) - 103x28px
    • • a.rounded-md.px-3 (Create Invoice) - 118x32px
    • • a.rounded-md.px-3 (Blog) - 54x32px
    • • button.group/button.inline-flex (Toggle theme) - 32x32px
    • • a.group/button.inline-flex (Log in) - 59x28px
    • • a.group/button.inline-flex (Sign up) - 67x28px
    • • a.group/button.inline-flex (Or create a free account →) - 189x28px
    • • a.inline-flex.items-center (See all guides) - 105x20px
    • • a.group/button.inline-flex (Get Started) - 340x32px
    • • a.group/button.inline-flex (Coming Soon) - 340x32px
    • • button.flex.w-full (Is Billdrop really free?) - 672x24px
    • • button.flex.w-full (Do I need to create an account?) - 672x24px
    • • button.flex.w-full (What's included in the free plan?) - 672x24px
    • • button.flex.w-full (What does Pro include?) - 672x24px
    • • button.flex.w-full (Can I cancel Pro anytime?) - 672x24px
    • • button.flex.w-full (Is my data secure?) - 672x24px
    • • button.flex.w-full (What currencies are supported?) - 672x24px
    • • button.flex.w-full (Can I use Billdrop for VAT invoices?) - 672x24px

    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 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: 0.23 MB
    • • MEASURED: Image dimensions: 1200x630

Links Analysis

  • Internal Links Error

    6 internal links returned errors.

    • • https://billdrop.app/blog/best-invoicing-software-freelancers-uk (HTTP 500)
    • • https://billdrop.app/blog/ir35-explained-uk-freelancers (HTTP 500)
    • • https://billdrop.app/blog/how-to-calculate-day-rate-uk (HTTP 500)
    • • https://billdrop.app/blog/how-to-calculate-vat-uk (HTTP 500)
    • • https://billdrop.app/blog/how-to-invoice-as-a-sole-trader-uk (HTTP 500)
    • • https://billdrop.app/blog/umbrella-company-vs-sole-trader-uk (HTTP 500)

    Fix: Fix or remove the listed internal URLs, and ensure routes/pages return 200 responses.

  • External Links Pass

    No broken external links found in checked URLs.

  • Link Format Pass

    All 31 links use non-empty href values.

Performance & Runtime

  • Core Web Vitals: LCP Warning

    Largest Contentful Paint: 3.26s.

    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: 0ms.

  • Broken Assets Pass

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

  • JavaScript Runtime Errors Warning

    7 JavaScript runtime issues detected.

    • • Request failed: https://billdrop.app/blog?_rsc=1r34m (net::ERR_ABORTED, type: fetch)
    • • Request failed: https://billdrop.app/invoice/create?_rsc=p37cr (net::ERR_ABORTED, type: fetch)
    • • Request failed: https://billdrop.app/?_rsc=p37cr (net::ERR_ABORTED, type: fetch)
    • • Request failed: https://billdrop.app/login?_rsc=1r34m (net::ERR_ABORTED, type: fetch)
    • • Request failed: https://billdrop.app/login?_rsc=p37cr (net::ERR_ABORTED, type: fetch)
    • • Request failed: https://billdrop.app/register?_rsc=p37cr (net::ERR_ABORTED, type: fetch)
    • • Request failed: https://billdrop.app/blog?_rsc=p37cr (net::ERR_ABORTED, type: fetch)

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