siteone-crawler
A cross-platform website crawler and analyzer for SEO, security, accessibility, and performance optimization, built in Rust.
What is siteone-crawler?
SiteOne Crawler is a cross-platform website crawler and analyzer designed to audit websites for SEO, security, accessibility, and performance issues. It provides comprehensive reports, automated quality scoring, and export capabilities to help developers and site owners optimize their web presence. The tool is built in Rust for high performance and low resource usage.
Developers, DevOps engineers, QA engineers, SEO specialists, and consultants who need to audit, analyze, and optimize websites for performance, security, and compliance.
Developers choose SiteOne Crawler for its all-in-one capabilities, native Rust performance, zero dependencies, and rich feature set including CI/CD integration, offline exports, and Markdown conversion—all available as a single cross-platform binary.
Overview
SiteOne Crawler is a cross-platform website crawler and analyzer for SEO, security, accessibility, and performance optimization—ideal for developers, DevOps, QA engineers, and consultants. Supports Windows, macOS, and Linux (x64 and arm64).
Use Cases
Best For
- Automated SEO and security audits during CI/CD pipelines
- Creating offline backups of entire websites for disaster recovery
- Converting website content to Markdown for AI model ingestion
- Performance testing and cache warming for reverse proxies and CDNs
- Generating sitemaps and analyzing site structure
- Accessibility compliance testing across all site pages
Not Ideal For
- Teams requiring real-time, continuous website monitoring with alerting systems
- Projects needing extensive plugin ecosystems or third-party integrations for custom workflows
- Large-scale distributed crawling across multiple servers or cloud environments
- Users who prefer simple, one-click audit tools without command-line configuration
Pros & Cons
Pros
Single native executable for Windows, macOS, and Linux with no runtime dependencies, enabling easy deployment across platforms without additional setup.
Automated scoring (0.0-10.0) across Performance, SEO, Security, Accessibility, and Best Practices categories, with detailed reports for actionable insights.
Supports offline website clones, Markdown conversion for AI ingestion, and sitemap generation, all with a built-in HTTP server for local browsing.
Rewritten in Rust for 25% faster execution and 30% lower memory consumption compared to the previous PHP version, as stated in the README.
Quality gate with configurable thresholds and exit code 10 on failure, designed for automated deployment blocking and cache warming in pipelines.
Cons
The musl binary for older Linux distributions is 50-80% slower due to the memory allocator, as admitted in the README, impacting efficiency on legacy systems.
Over 100 command-line options documented, which can be daunting for users seeking a simpler interface, despite the interactive wizard.
Desktop GUI is a separate project (siteone-crawler-gui), requiring additional installation and potentially leading to version fragmentation.
No support for plugins or APIs to extend functionality, making it less adaptable for custom integrations compared to more ecosystem-rich tools.
Frequently Asked Questions
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