LibreCrawl
Crawl websites for SEO audits with this free, open-source tool, which supports JavaScript rendering and unlimited URLs.
About LibreCrawl
LibreCrawl crawls websites for technical SEO audits, checking meta tags, schema markup, hreflang, social tags, PageSpeed metrics, links, canonical tags and duplicate content. It includes JavaScript rendering through Playwright for sites built with React, Vue, Angular and Next.js, with headless and headed modes.
It exports data in CSV, JSON and XML with custom fields, and includes issue filtering, custom CSS injection, multi-session support and link tracking. The site describes memory profiling with virtual scrolling for large crawls, and describes the tool as MIT-licensed and self-hostable on own infrastructure.
Key features
- Crawl websites for technical SEO audits
- JavaScript rendering via Playwright in headless and headed modes
- Check meta tags, schema markup, hreflang and social tags
- Analyze PageSpeed metrics, links, canonicals and duplicates
- Export in CSV, JSON or XML with custom fields
- Multi-session support with issue filtering and link tracking
Best for: SEO teams auditing large or JavaScript-heavy sites who can self-host their tools.
Good for
- Self-hostable on own infrastructure
- JavaScript rendering for React, Vue, Angular and Next.js sites
- Exports in CSV, JSON and XML with custom fields
LibreCrawl at a glance
- Website
- librecrawl.com
- Category
- Marketing & SEO › SEO & Web Analytics
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Guides for SEO & Web Analytics
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