Screaming Frog vs LibreCrawl
Screaming Frog (SEO Spider desktop crawler) and LibreCrawl (Open-source web-based SEO crawler (self-hosted)) on the same 24 capabilities, with a source for every cell and charts counted from the table.
Checked 21 October 2026 against each vendor's own public pages. Sources below.

Screaming Frog
SEO Spider desktop crawler
LibreCrawl
Open-source web-based SEO crawler (self-hosted)
Compatibility at a glance
Screaming Frog scores 92 on coverage and 75 on automation; LibreCrawl scores 29 and 50. Both out of 100, counted from the table.
Out of 24 capabilities we compare for every tool.
Market map
Coverage by group
Share of rows each tool covers in a group, 0–100, counted from the table below.
Side by side
Where each one is stronger
Screaming Frog
- Mature, widely used crawler with a very large built-in issue list (over 300 as published).
- Built-in headless Chromium rendering with raw-versus-rendered HTML comparison.
- Direct API connections to Google Search Console, GA4, PageSpeed Insights, Majestic, Ahrefs and Moz inside the crawl.
- Axe-based accessibility checks and Schema.org/rich result validation.
- Saved crawl files, scheduling with auto-exports, and crawl comparison, with a free tier of 500 URLs.
LibreCrawl
- Fully open source under MIT, so the code can be modified and self-hosted.
- Multi-user mode with isolated sessions and tiers for teams sharing one server.
- Browser plugin system: JavaScript files add custom tabs reading crawl data.
- Documented HTTP API with crawl start, stop, pause, resume and export endpoints.
- Built-in PageSpeed Insights and JavaScript rendering via Playwright.
Questions
Which is cheaper, Screaming Frog or LibreCrawl?
Does Screaming Frog or LibreCrawl run on my own machine?
Can AI agents use Screaming Frog or LibreCrawl?
How much does Screaming Frog SEO Spider cost?
Is LibreCrawl free?
How we compared
- Every cell comes from the vendor's own public pages (product, documentation, pricing, release notes, repository) on 21 October 2026.
- “Not found in public docs” means we could not confirm it from an official source, not that the feature is missing. Charts count it as 0.
- Prices and plans change. Check the vendor's pricing page before you buy.
- Spotted something out of date? Tell us and we will correct it.
Sources
- SEO Spider product page
- Pricing and licence
- Issues list
- Release history
- User guide: General
- User guide: Configuration
- SEO Spider 24 announcement
- GitHub repository and README
- LICENSE
- GitHub releases (none published)
- Website
- API docs
Screaming Frog is a trademark of Screaming Frog Ltd. LibreCrawl is a trademark of LibreCrawl project (open source). Names and icons identify the products compared; SpiderHead is not affiliated with, endorsed or sponsored by Screaming Frog Ltd or LibreCrawl project (open source). Owners can ask us to remove an icon via contact.