Tools, skills and infrastructure for organic search, GEO and AI visibility.
Simple, self-hosted technical SEO auditing
A mature open-source crawler that discovers broken links, redirect problems, metadata issues and structural SEO errors. Its documented capabilities include Full-site crawler, Issue severity scoring and Redirect analysis. It is most relevant to workflows involving Technical SEO and Crawler.
Run Lighthouse performance scans across an entire site
Unlighthouse combines site crawling with Lighthouse to scan many pages, visualize performance and accessibility results, and run locally or in continuous integration. Its documented capabilities include Site-wide Lighthouse scans, Performance dashboards and Route discovery.
Cross-platform audits for SEO, security and accessibility
SiteOne Crawler analyzes websites for technical SEO, security, accessibility and performance issues through a cross-platform CLI and desktop-friendly reporting workflow. Its documented capabilities include SEO and link audits, Security checks and Accessibility analysis.
Automated audits for performance, SEO and web quality
Google Lighthouse audits web pages across performance, accessibility, best practices and search discoverability. It runs from Chrome DevTools, the command line or Node.js, supports custom configurations and produces detailed HTML, JSON or CSV reports for debugging and continuous integration.
A high-capacity desktop crawler for detailed SEO audits
FreeCrawl is a cross-platform desktop and command-line crawler built for large technical audits. It combines more than 150 checks with JavaScript rendering, duplicate analysis, link graphs, log analysis, Google data integrations, many export formats and an MCP server that can control live crawls.
Find broken links across documents and complete websites
LinkChecker recursively validates links across websites and local documents with multithreaded crawling and robots.txt support. It handles HTTP, HTTPS, FTP, mail and local files, supports authenticated sites and proxies, and exports results as text, HTML, SQL, CSV, XML or sitemap graphs.