Alternatives
Products that do what Web service for monitoring web pages (weekend project) does
Type in URL and keyword to look for, set search interval and forget it. Once keyword you are looking for appears on site you will receive email notification with short description and link to article (hopefully :D :D :D)
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I built Site Spy after missing a visa appointment slot because a government page changed and I didn’t notice for two weeks. It watches webpages for changes and shows the result like a diff. The part I think HN might find interesting is that it can monitor a specific element on a page, not just the whole page, and it can expose changes as RSS feeds. So instead of tracking an entire noisy page, you can watch just a price, a stock status, a headline, or a specific content block. When it changes, you can inspect the diff, browse the snapshot history, or follow the updates in an RSS reader. It’s…
Mar 2026 · sitespy.app
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2012 · notificationcontrol.com
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