Free web audit tool

Free · No login · full audit in \~90 seconds

Free web audit tool

See what's wrong. Fix what matters.

Two full Lighthouse runs, mobile and desktop, plus 100+ checks scored across performance, security, accessibility, SEO, infrastructure, compliance, content and sustainability.

Detected technology stack matched against known CVEs. Findings ranked by impact with remediation cost, ROI and conversion barriers. Multi-viewport screenshots. Permanent shareable URL, and export as PDF, JSON or Markdown.

Website

example.com Run Audit Running 100+ checks on your site…

Advanced options

Test from a specific location

Any location Brazil · Sao Paulo Netherlands · Amsterdam Singapore · Singapore Spain · Madrid United Stated · New York United States · Santa Clara

12,833 sites scanned · Try: github.com vercel.com stripe.com

You're submitting too quickly. Please wait a minute and try again.

Could not reach the server. Check your connection and try again.

It-wars.com B · 3m ago linux.com C · 8m ago coloriet.nl C · 2h ago ais-pre-psgakquiwaol5aevbdjv6g-759203062707.asia-east1.run.app B · 2h ago ai.studio B · 2h ago It-wars.com B · 3m ago linux.com C · 8m ago coloriet.nl C · 2h ago ais-pre-psgakquiwaol5aevbdjv6g-759203062707.asia-east1.run.app B · 2h ago ai.studio B · 2h ago

Product tour

See the audit in motion

17 seconds of what BeaverCheck does -- composite score, Lighthouse mobile + desktop, top priorities ranked by impact, and per-category drill-downs. No login. Free forever.

Recent audit

See a real audit, end to end

Here's an actual BeaverCheck report for stripe.com -- composite score, 8 categories, Lighthouse mobile + desktop, top priorities, business case. Click to explore.

No login. No payment. Every report URL stays live forever, shareable with your team.

Everything in one report

One audit, every surface that matters: Lighthouse mobile + desktop, prioritized fixes ranked by impact, and per-category drill-downs with row-level findings.

Lighthouse mobile + desktop

Both viewports run end-to-end. Performance, Accessibility, Best Practices, SEO scores plus all six Core Web Vitals (FCP, LCP, TBT, CLS, SI, TTI) per device.

Top priorities, ranked by impact

The 5 fixes that move the score the most -- with category context, severity, and a one-click 'Download for AI agent' export so Cursor/Claude/Copilot can actually fix them.

Per-category drill-down

Click into any of the 8 categories for the full check list, row-level findings, severity grades, and detailed fix guidance for each issue.

What we check

100+ checks across 8 scored categories, plus Lighthouse mobile and desktop

Every audit runs the same comprehensive checklist. Plus the full Lighthouse suite, mobile and desktop, with hundreds of individual audits.

Performance

15 checks

• • Lighthouse Performance score (mobile + desktop)
• • Core Web Vitals: LCP, INP, CLS
• • CrUX real-user data (28-day P75)
• • Render-blocking resource detection
• • Third-party payload impact analysis
• • Server response intelligence (Cache-Status, Vary, ETag)
• • Resource hints & font loading audit

Security

25 checks

• • SSL certificate chain & expiry monitoring
• • Security headers analysis (CSP, HSTS, X-Frame)
• • Content Security Policy deep analysis
• • Bot challenge detection (Cloudflare, DataDome, Akamai, etc.)
• • Login page hardening (CSRF, captcha, SSO, password reset)
• • CORS depth, Permissions-Policy, Referrer-Policy strictness
• • Subresource Integrity adoption on third-party scripts
• • Soft-404, empty-page, geo-restriction, maintenance-mode detection
• • Vulnerable JavaScript libraries (CVE matching)
• • Cookie security flags

Accessibility

14 checks

• • Lighthouse Accessibility score
• • Screenshot contrast analysis (text over images)
• • Heading hierarchy validation
• • Heading text quality (placeholder, length, all-caps)
• • ARIA landmarks detection
• • Color contrast (CSS + pixel-sampled)
• • Image alt text audit

SEO

13 checks

• • Meta tags (title, description, canonical)
• • Title style depth (separators, year-staleness, keyword stuffing)
• • Structured data + rich result validation
• • Open Graph & Twitter Card tags
• • Hreflang validation
• • Redirect chain analysis
• • Sitemap & robots.txt
• • Markup quality + hreflang completeness

Infrastructure

10 checks

• • DNS resolution speed & IPv6
• • Email security (SPF, DKIM, DMARC, BIMI)
• • RDAP/WHOIS domain registration
• • Domain expiry monitoring
• • ASN & hosting provider identification
• • Green hosting verification
• • URL redirect variant checks

Compliance

16 checks

• • Third-party tracker detection & categorization
• • GDPR Art. 13 disclosure presence
• • Internationalization extras (RTL, language switcher, mixed-lang)
• • Browser fingerprinting tool detection
• • Cookie policy presence
• • Privacy policy presence
• • Advertising tracker consent requirements

Content

9 checks

• • Readability scoring (Flesch-Kincaid, Gunning Fog)
• • Image optimization audit (oversized, format, lazy)
• • Link analysis (internal, external, broken)
• • Open Graph / Twitter Card depth (image dimensions, type matching)
• • Mixed content (HTTP resources on HTTPS pages)
• • Word count & content quality

Sustainability

6 checks

• • Page weight carbon estimation
• • Green hosting verification
• • Transfer size optimization

Lighthouse

8 checks

• • Performance, Accessibility, Best Practices, SEO scores
• • Core Web Vitals metrics
• • Mobile + desktop dual audit
• • Diagnostic opportunities

Free tools

Targeted checks. No URL ceremony.

Contrast CheckerWCAG 2.2 AA/AAA compliance for any color pair.HTTP HeadersSecurity, caching, and policy header audit.SSL/TLS InspectorCertificate chain, cipher suites, and protocol support.DNS LookupA/AAAA/MX/NS/TXT records with propagation status.Redirect TracerFollow the redirect chain hop by hop.INP CheckerCore Web Vitals from real Chrome user data.

Explore

Go deeper than a single scan

TechnologiesExplore technology stacks detected across the webCompareSide-by-side technology comparisons and market shareReportsEditorial deep-dives on the state of web performanceLearnPractical guides to fix common web performance issues

My Recent Scans

Clear all

View scan result:

Show less

How It Works

Three steps. Zero friction. Real results.

1

Enter a URL

Paste any website URL and pick a server location.

2

We Run 100+ Checks

Lighthouse, security headers, technology detection, content analysis, accessibility — all in one scan.

3

Get Your Full Report

8 scored categories plus Lighthouse mobile and desktop, an A–F composite grade, top findings, and PDF export. Everything in one page.

Step 3 in action -- your full audit report

Recent Audits

Latest performance checks from the community.

https://It-wars.comAug 20, 2026 20:04Bhttps://linux.comAug 20, 2026 19:59Chttps://www.coloriet.nlAug 20, 2026 17:21Chttps://ais-pre-psgakquiwaol5aevbdjv6g-759203062707.asia-east1.run.appAug 20, 2026 17:15Bhttps://ai.studio/apps/8a1aa443-e343-43b1-9244-fca856afe044Aug 20, 2026 17:11B

Ready when you are.

Free, permanent, shareable by URL. No account, no payment.

example.com Start Your Free Analysis