SiteDelta Alternatives

    SiteDelta is described as 'Add-on for old versions of Mozilla Firefox (before the introduction of WebExtensions). SiteDelta can scan for changes to a website since your last visit' and is an app in the OS & Utilities category. There are more than 25 alternatives to SiteDelta for a variety of platforms, including Online / Web-based, Windows, Linux, Android and Firefox. The best alternative is Huginn, which is both free and Open Source. Other great apps like SiteDelta are UptimeRobot (Freemium), Distill Web Monitor (Freemium), Update Scanner (Free, Open Source) and FiveFilters Feed Creator (Freemium).

    This page was last updated Jul 18, 2021

    1. WatchThatPage is a free service to monitor web pages and extract new information from them. Changes are sent in a daily email.
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    2. we're watching! Boring checking tons of sites for updates? Read updates in your feed reader!
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    3. Track web page changes in any web page daily for free users, every 30 minutes for paid users - no RSS or Atom required. Receive notifications via email, Instant Message, and SMS.
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    4. Server Monitoring and Down Alerts made easy! WIndows, Linux & macOS Monitor all your servers in one easy panel. Keep track of CPU, Ram, Disk and more. Get access to a detailed history of your servers to analyze when problems occur.
    5. Cloud-based monitoring service for servers, websites and IT infrastructure No extra hardware or software to buy, install and maintain. Simple to set up and to use. Alerts: instant, reliable and actionable. Reports, graphs, infrastructure dashboard.

    6. Website Monitoring - Monitor your website uptime and HTTP/FTP/SMTP/POP3 services. Real-time Phone and SMS alerts. Free website monitors available.
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      • FreeProprietary
      • Windows
      • Internet Explorer
      Diff-IE is a prototype Internet Explorer add-on that highlights the changes to a page since the last time you visited it and enables you to view and compare previously cached versions of the page.


      The extension seems to be no longer updated. Last version, 2.0.1046.0, released in December 2010, can be still downloaded from the official website.

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      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • Android
      • Google Chrome
      • Firefox
      This extension adds a small Delta icon to your browser toolbar. When you click onto it, it allows to highlight all changed text contents of the current page (since the last time you clicked onto it). Clicking again cycles through the changes.
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    7. Netweak is a minimalistic monitoring platform that gives you insights on performance and availability for your websites and linux servers.
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    8. ApiChecker is reliable uptime and performance monitoring for your service. It uses different servers around the world to verify your service/API/WebSite performance and uptime ?!
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    Showing 30 of 37 alternatives