Web Change Detector

Element Alert

Monitor specific DOM elements on web pages and get instant notifications when they change. Perfect for tracking prices, stock availability, status updates, and any dynamic content on websites. • Multiple Monitoring Rules - Set up unlimited monitoring rules for different pages and elements • Visual Element Selection - Simply click on any element to start monitoring it • 10 Notification Sounds - Choose from 10 different alert sounds to match your preference • URL Pattern Matching - Use wildcards to monitor elements across multiple pages • Real-time Detection - Instant notifications using MutationObserver technology • Smart Notifications - Desktop alerts with page title and element content • Notification History - Keep track of all detected changes • Customizable Settings - Control check intervals, sound volume, and more • Price Monitoring - Track product prices on e-commerce sites like Amazon, eBay • Stock Availability - Get notified when out-of-stock items become available • Order Tracking - Monitor shipping status and delivery updates • Social Media - Watch follower counts, likes, or engagement metrics • News Updates - Stay informed when articles or headlines change • Content Changes - Monitor any text, number, or status on any website 1. Click the extension icon in your toolbar 2. Click "要素を選択" (Select Element) button 3. Hover over and click the element you want to monitor 4. Give your rule a name (e.g., "Price Monitor") 5. Save the rule 6. Receive notifications whenever the element changes! • Uses MutationObserver API for instant change detection • Periodic checking as fallback for maximum reliability • Manifest V3 compliant • Minimal performance impact • Works on all websites • No data collection or tracking 💡 PERFECT FOR Element Alert is open source! View the code, contribute, or report issues on GitHub: https://github.com/tomohiro-owada/element-alert ⭐ Support the project by leaving a review!

Website Tracker

Website monitoring and element tracking with periodic refreshing, customizable configuration, emails and notifications NEW UPDATE: Gemini based queries on the web content is now supported! WebsiteTracker allows you to keep track of changes on websites by running in your browser and monitoring pages that you choose. Receive email and chrome notifications at no fee. Keep a watch on the websites of your interest using WebsiteTracker! Some of the key features of WebsiteTracker include: * Website monitoring: An easy-to-read list view of the websites you're tracking for automatic monitoring * Element tracking: The ability to select multiple elements per webpage to monitor. Highlighted changes for quick identification * Periodic refreshing: Periodically refreshing the tracked websites and data fetching for the elements * Customizable configuration: Create, update or delete your trackers any time for the user-defined settings * Real-time updates: Email notification using your own Gmail account for secure and safe usage * Hassle-free Google sign-in process * Free and unlimited tracking of websites To get started with WebsiteTracker, simply open a webpage you want to monitor, click the WebsiteTracker drop icon in your browser toolbar, and select "Monitor this page". You can then choose which parts of the page to track and save your selections. To view your list of tracked webpages, click the WebsiteTracker icon and go to the Watchlist. If you need any assistance, feel free to reach out to us using this form: https://docs.google.com/forms/d/e/1FAIpQLSelGSyXRF-siM8dxC6Aiwe4-K61lwm7vo1JuhxhccWXTNnvlg/viewform. Support independent developers! Your donation will help me keep this extension free and up-to-date: https://www.paypal.com/donate/?hosted_button_id=Z3NS3AQLV6FW6

GrabzIt Web Monitor

Monitor changes on part of web pages or a whole web page and get informed of the changes as an email or call to a webhook. Do you have something on the web that you need to keep an eye on? With GrabzIt's Web Monitor, you can easily track website changes and automate your responses. Perfect for: - Tracking price drops for online shopping. - Getting alerted when out-of-stock items return. - Monitoring competitor website changes. - Triggering automated workflows in Zapier or Make via Webhooks. Simply select an entire webpage or just a specific element to watch. When a change is detected, get notified instantly by email, or send a call to a webhook if you want another app to handle it. Set how frequently you want to check for changes, and you are done! Once installed, follow the instructions in the extension popup to create your free GrabzIt account. This allows you to sync your monitored pages to the cloud, save your history, and access our powerful webhook integrations. Backed by GrabzIt's enterprise-grade web scraping infrastructure, you can trust your monitoring is fast and reliable.

Website Monitor

Monitor web pages for changes. Website Monitor is a browser extension that allows you to select any element on a webpage and track it for changes. Get notified when a price changes, a new article is published, or a stock status is updated. It's your personal web automation tool.