Catch broken pages
before your users do.
siteOS crawls every page of your website on a schedule, flags 404s, validates your sitemap, and alerts you the moment something breaks.
Free during beta. No credit card required.
Latest crawl
acme-corp.com — 2 minutes ago
- /about200 OK184 ms
- /old-pricing404 Not Foundlinked from /pricing
- /blog/launching-siteos200 OK212 ms
- sitemap.xmlValid142 URLs
Features
Everything you need to keep your site healthy.
One tool that watches your pages, your links, and your sitemap — all the time.
Full-site crawl
We discover every page on your site by following links — no manual list to maintain.
404 & broken link detection
Each error is reported with the exact source page and link, so you know where to fix.
Sitemap validation
Your sitemap.xml is checked against the real pages we crawl. Drift is flagged immediately.
Continuous monitoring
Re-crawl on a schedule. Get alerted by email the moment something starts breaking.
How it works
Three steps. No config required.
Add your site
Paste your URL. We start crawling within seconds — no install, no script tag.
We crawl on a schedule
siteOS visits every page on a recurring schedule and tracks status, links, and sitemap.
Get alerts on issues
When something breaks — a 404, a missing page, sitemap drift — we email you right away.
Start monitoring your site
in 30 seconds.
Sign in with Google. We'll crawl your first site instantly.