Guides

Plain answers to the questions people type in when they want to stop checking a page themselves.

• How to get notified when a website changes

  Four honest ways to get a message when a web page changes, from a site’s own feed to a page watcher, and what each one can and can’t tell you.

• How to get notified when an item is back in stock

  How a page tells a program that something is in stock, what a stock watcher can really read, and the limit that matters: one signal per page, not per size.

• How to monitor a webpage for changes without false alarms

  Whole page, one part, or a few words? How to pick what a page watcher should react to, with real output from a live page and the two mistakes to avoid.