Analyze any website instantly — no signup, no installation, no limits on basic usage
The Full Website Audit combines all 5 tools into a single comprehensive report. Enter one URL, get everything.
Run Full Audit →Crawl any website and find broken links and broken images. Get a health score, see which links are internal vs external, and view anchor text context for quick fixes.
Comprehensive SEO analysis for any web page. Checks title tags, meta descriptions, headings, images, mobile readiness, performance, and social tags. Returns a score (0-100) and grade (A-F).
Capture screenshots or PDFs of any web page. Supports custom viewport sizes, full-page capture, and multiple output formats. Results cached for 1 hour.
Measure response time, page size, HTTP status codes, redirects, and server information for any URL. Quick health check for any web endpoint.
Detect what technologies a website uses — frameworks, CMS, analytics, CDNs, JavaScript libraries, and more. Identifies 150+ technologies across 15+ categories.
Check SSL certificate expiration, issuer, TLS protocol version, cipher suite, and Subject Alternative Names for any domain. Monitor cert health across your infrastructure.
Convert HTML & CSS to PNG, JPEG, or WebP images. Generate OG images, social cards, certificates, invoices. Full Chromium rendering, no signup required.
All 5 checks combined into one comprehensive report. Enter a URL and get SEO score, broken links, performance metrics, tech stack, and a screenshot — all at once.
Add broken link checking to your CI/CD pipeline. Native GitHub Actions annotations show broken links directly on PRs. Copy-paste workflow, no API key needed.
Auto-updating SVG badges for your GitHub README: dead link count, SEO score, and response time. Shields.io-style, just paste the markdown.
Every tool on this page is backed by a REST API you can integrate into your own scripts, CI/CD pipelines, or monitoring dashboards.
Direct API endpoints:
GET /api/deadlinks?url=... — Dead link check
GET /api/seo?url=... — SEO audit
GET /api/screenshot?url=... — Screenshot capture
GET /api/perf?url=... — Performance check
GET /api/techstack?url=... — Tech stack detection
GET /api/ssl?domain=... — SSL certificate check
For higher rate limits and production use, get the APIs on RapidAPI:
Dead Link Checker |
SEO Audit |
Screenshot Capture
Developer resources:
Download Postman Collection — Import all 3 RapidAPI endpoints into Postman
OpenAPI Spec (Dead Links) |
OpenAPI Spec (SEO) |
OpenAPI Spec (Screenshot) |
apis.json
Broken links hurt your search rankings and drive visitors away. Missing meta tags mean search engines can't properly index your pages. Slow load times increase bounce rates. These free tools help you identify and fix these issues before they cost you traffic.
Unlike most website analyzers, these tools are also available as APIs — so you can automate checks in your deployment pipeline, run scheduled audits, or build custom monitoring dashboards.