siteone-crawler
Crawl and analyze websites for SEO, security, accessibility and performance with this cross-platform tool.
About siteone-crawler
SiteOne Crawler is an open-source website crawler and analyzer for SEO, security, accessibility and performance. It is distributed as a single native binary for Windows, macOS and Linux (x64 and arm64) with no runtime dependencies.
It can be run through an interactive wizard with 11 preset modes, a command-line interface, or a desktop GUI application. It crawls pages and assets to report status codes, response times and errors such as 404s and redirects, and produces HTML, JSON and text reports, sitemaps, offline clones and Markdown conversions, with SMTP delivery and CI check options.
Key features
- Crawls pages and assets reporting status, response time, size and headers
- Generates HTML, JSON and text audit reports with quality scores
- Creates offline website clones for browsing without a server
- Converts full websites to Markdown for documentation or AI input
- Generates sitemaps and identifies 404s and redirects
- Provides CI quality gate with configurable thresholds and exit code 10
Best for: Developers, DevOps staff, QA engineers, SEO specialists, consultants and website owners who audit or maintain websites.
Good for
- Single native binary runs on Windows, macOS and Linux without runtime dependencies
- Offers wizard, command-line and GUI operation modes
- Outputs HTML, JSON and text reports and can send them by SMTP
siteone-crawler at a glance
- Category
- Marketing & SEO › SEO & Web Analytics
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- Linux, macOS, Windows
- Open source
- Yes · Source code
- Language
- English
- Good for
- Developers
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
Guides for SEO & Web Analytics
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siteone-crawler FAQ
Which operating systems are supported?
Windows, macOS and Linux on x64 and arm64.
What output formats does it produce?
Interactive HTML audit reports with 0.0-10.0 quality scoring, JSON and text.
How does CI/CD integration work?
A --ci quality gate with configurable thresholds returns exit code 10 on failure.
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