Blog — PingWhen

Practical notes on watching web pages for changes and downtime. Written by the people who make PingWhen.

How to get notified when a web page changes (without writing a scraper)
September 26, 2026
A practical checklist for watching a web page for changes: look for a feed first, run the view-source test, pick the narrowest URL, then choose a free, self-hosted, or hosted way to get alerted.
Monitor your robots.txt and sitemap for accidental changes
September 26, 2026
A deploy that ships a staging robots.txt or drops half your sitemap can quietly hurt search traffic for weeks. What to watch, what text monitors miss, and a post-deploy smoke test you can drop into CI.