Free 9-Tool SEO Audit Suite — No Login, No API Keys, Structured JSON

I built 9 free SEO tools on Apify Store: The Toolkit SEO Audit Tool — 50+ on-page factors, score 0-100 Broken Links Checker — find all 404s on your site PageSpeed Insights — Google Lighthouse scores + Core Web Vitals SSL Certificate Checker — expiry alerts, issuer, protocol HTTP Headers Checker — security score, 10 headers Tech Stack Detector — identify 80+ technologies Sitemap Parser — XML sitemaps, auto-discover from robots.txt Robots.txt Analyzer — rules, sitemaps, AI bot blocking Keyword Density Analyzer — word frequency, bigrams, target placement How They Work Together Run in sequence for a complete audit: Robots.txt → check bot access Sitemap → get all URLs Broken Links → find dead links SEO Audit → score each page PageSpeed → check performance SSL → verify cert Headers → security gaps Tech Stack → know your tech Keywords → optimize content All output structured JSON . Technical Details CheerioCrawler for fast HTML analysis Google PSI API (free) Node.js https for SSL certs Regex