Live crawler · 40+ signals · No signup
The SEO audit tool SEOptimer wishes it was.
Paste any URL. RankLens crawls it, dissects 40+ on-page, performance, social and security signals, and hands you a prioritized fix list — in under 10 seconds.
Try:
40+
Checks per audit
On-page, meta, performance, social, security and structured data.
<10s
Average scan time
Server-side fetch and parse — no queue, no waiting.
0
Signup required
Paste a URL and get the full report instantly.
Under the hood
Everything SEOptimer checks. And a lot more.
Every audit runs the same battery of tests — no upsells, no locked reports, no "unlock full score" wall.
🎯
On-page SEO
Title, description, canonical, robots, headings hierarchy, word count, alt text, lang, favicon.
⚡
Performance
Real response time, HTML weight, script count, stylesheet count, transfer size.
📱
Mobile
Viewport meta, responsive scaling, mobile-friendly heuristics.
🛡
Security
HTTPS, HSTS, X-Frame-Options, X-Content-Type-Options, CSP frame-ancestors.
🔗
Social
Open Graph, Twitter cards, share preview health.
🧬
Structured data
JSON-LD detection, schema.org coverage, rich-result readiness.
🔤
Keyword extraction
Top terms weighted by frequency with stopword filtering.
🕸
Link profile
Internal vs external links, protocol issues, dead anchors.
✅
Prioritized fixes
Every issue ranked by weight so you know what to do first.
Stop guessing. Start ranking.
Run an audit on your homepage right now. It's free, unlimited, and takes under 10 seconds.
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