Side by side

Open SEO Crawler vs SiteOne Crawler

Both stand on seo tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Open SEO Crawler

Free plan LinuxMacSelf-hosted+2

Open SEO Crawler offers configurable technical audits with local operation and useful export options. Check the installation requirements and default crawl settings against your workflow.

Visit Open SEO Crawler

SiteOne Crawler covers multiple site-audit areas and offers reporting, export, and CI/CD features at no listed cost. Its default crawl rate and optional rendering mode are worth noting when planning a crawl.

Visit SiteOne Crawler

The facts

	Open SEO Crawler	SiteOne Crawler
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Linux, Mac, Self-hosted, Web, Windows	API, Linux, Mac, Self-hosted, Windows
Lowest paid plan	Free or on request	Free or on request
Plans published	1	2
Maker	Not published	Not published
Website	github.com	crawler.siteone.io
On seo tools	#37 of 245	#33 of 245

Open SEO Crawler: what it does well

Checks a broad range of technical SEO issues
Optional rendering supports JavaScript-heavy sites
Exports reports to XLSX and sitemaps
No account, telemetry, or API calls

What to know first

Self-hosted installation is required
Default crawl cap is 1,500 pages
JavaScript rendering is optional

SiteOne Crawler: what it does well

Free and open source; no account required
Supports Windows, macOS, and Linux
Exports HTML, text, and JSON reports
Can export a static copy for offline browsing
CI/CD quality gate supports configurable thresholds

What to know first

Chromium browser mode is optional
Default crawl rate is capped at 10 requests per second
Shared reports may have expiration and password protection

Alternatives to Open SEO Crawler Alternatives to SiteOne Crawler The whole list