head to head · open source
changedetection.io vs siteone-crawler
changedetection.io has 35,461 GitHub stars, 2,194 forks, 385 open issues and last shipped yesterday. siteone-crawler has 994 stars, 93 forks, 21 open issues and last shipped 1 months ago. changedetection.io leads on adoption by 3,468% (35,461 vs 994 stars). changedetection.io is written in Python under Apache-2.0; siteone-crawler is written in Rust under MIT. changedetection.io has attracted 6% as many forks as stars, siteone-crawler 9%. changedetection.io was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| changedetection.io | siteone-crawler | |
|---|---|---|
| GitHub stars | ★ 35K | ★ 994 |
| License | Apache-2.0 | MIT |
| Written in | Python | Rust |
| Last push | 2026-11-02 | 2026-09-27 |
| Forks | ⑂ 2.2K | ⑂ 93 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick changedetection.io if
- You weight community size — 35K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick siteone-crawler if
- You want the siteone-crawler feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Rust
- You evaluated both and siteone-crawler fits your workflow better
About changedetection.io
Detect Website Changes Automatically — Monitor Web Page Changes in Real Time Monitor websites for updates — get notified via Discord, Email, Slack, Telegram, Webhook and many more. Detect web page content changes and get instant alerts. Ideal for monitoring price changes, content edits, conditional changes and more. [![Release Version][release shield]][release link] [![Docker Pulls][docker pulls]][docker link] [![License][license shield]](LICENSE.md) Get started with website page change monitoring straight away. Don't have time? Try our $8.99/month subscription, use our proxies and support! , half the price of…
read the full changedetection.io overview →
About siteone-crawler
SiteOne Crawler SiteOne Crawler is a powerful and easy to use website analyzer, cloner, and converter designed for developers seeking security and performance insights, SEO specialists identifying optimization opportunities, and website owners needing reliable backups and offline versions. Now rewritten in Rust for maximum performance, minimal resource usage, and zero runtime dependencies. The transition from PHP+Swoole to Rust resulted in 25% faster execution and 30% lower memory consumption while producing identical output. Discover the SiteOne Crawler advantage: Run Anywhere: Single native binary for 🪟…
read the full siteone-crawler overview →
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Frequently asked questions
Is changedetection.io or siteone-crawler more popular?
changedetection.io has 35,461 GitHub stars and siteone-crawler has 994. changedetection.io has the larger community by that measure.
Are changedetection.io and siteone-crawler free?
Both are open source. changedetection.io is licensed under Apache-2.0 and siteone-crawler under MIT. Neither carries a licence fee.
What is the difference between changedetection.io and siteone-crawler?
changedetection.io is written in Python and siteone-crawler in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, changedetection.io or siteone-crawler?
Choose changedetection.io if you want the larger community (35,461 stars) or its Apache-2.0 licence terms. Choose siteone-crawler if its feature set, stack or MIT licence fits better. Both are self-hostable.