Open-source architecture · 121 SEO tools · 12 core modules
Comprehensive SEO Intelligence.
Genuinely Free Forever.
Replace expensive recurring subscriptions with open data, streaming site crawls, instant technical audits, and server-side multi-tenant workspaces.
Zero credit card required. No rate walls or trial expiration.
SSRF-Guarded Edge Crawling
High-throughput streaming crawler with rigorous IPv4/IPv6 private IP blocklists, cloud metadata shielding, and robots.txt compliance.
100% Free Public Datasets
Powered by Google Autocomplete, Wikimedia Pageviews, Common Crawl WebGraph, and public CRuX Core Web Vitals datasets. Zero paid API lock-in.
Isolated Multi-Tenant Security
Strict database-level tenant isolation, server-side session revocation, and customizable workspace project partitioning on Cloudflare D1.
12 Comprehensive SEO Modules
Every tool from technical crawl diagnostics to AI search visibility (GEO), built on production open-source standards.
Technical Site Crawler
11 toolsOn-Page SEO Analysis
10 toolsKeyword Suggest & Clusters
10 toolsCompetitor Intelligence
10 toolsBacklink Link Graphs
10 toolsSERP Rank Tracking
10 toolsContent Studio & Readability
10 toolsSpeed & Accessibility Audits
10 toolsAI Visibility & GEO
10 toolsLocal & Hreflang SEO
10 toolsWebmaster & Analytics
10 toolsWhite-Label Reporting
10 tools