Free security & SEO tools
No signup. No credit card. Each tool checks one dimension and gives you an instant pass/fail. When you want the full picture across security, SEO and AI-readiness — run a free audit on /scan.
Security Headers Checker
Test HSTS, CSP, X-Frame-Options, Referrer-Policy, Permissions-Policy and 5 more headers against 2026 best practice.
Open toolSSL / TLS Checker
Verify cert validity, deprecated protocols (TLS 1.0/1.1), Heartbleed, weak ciphers and HSTS preloading.
Open toolDMARC / SPF / DKIM Checker
Inspect email-auth records and find why your sender reputation is weak — the #1 cause of phishing impersonation.
Open toolllms.txt Validator
First-of-its-kind tool: validate your llms.txt against the spec and check whether AI agents can discover your site.
Open toolrobots.txt Tester
Test your robots.txt against 14 crawlers (Googlebot, Bingbot, GPTBot, ClaudeBot, PerplexityBot) and find rules that block traffic.
Open toolAI-Readiness Checker
Full check of whether ChatGPT, Claude and Perplexity can read your site — 30+ tests.
Open toolWordPress Security Scanner
11 WP-specific tests for the 43% of the web that runs WordPress.
Open toolWant all of these in one report?
The Free Trial gives you a single-page audit covering all 50+ scanners — security, SEO and AI-readiness — in one PDF. No credit card.
Run free full audit