Chrome Extension

PagePulse

Monitor any website for changes. Track specific elements, get notified, and view detailed diffs.

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Features

Never miss a website change again. Monitor prices, stock, content, and more.

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CSS Selector Monitoring

Target specific page elements with CSS selectors. Monitor exactly what matters to you.

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Visual Element Picker

Click on any element to start monitoring it. No need to write CSS selectors manually.

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Change Notifications

Get browser notifications the moment something changes on your monitored pages.

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Diff View

See exactly what changed with a side-by-side diff view. Additions and removals are highlighted.

Configurable Intervals

Check every minute, hour, or day. Set the polling frequency that fits your needs.

Pause & Resume

Temporarily pause monitoring for specific watchers without losing your configuration.

Export & Import

Backup your watchers or share them across devices with JSON export/import.

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Change History

Browse the full history of changes for every monitored element. Track trends over time.

How It Works

Start monitoring in seconds.

1

Install

Add PagePulse to Chrome. Visit any page you want to monitor.

2

Pick What to Watch

Click on any element on the page (a price, a paragraph, a status). PagePulse will start tracking it.

3

Get Notified

When something changes, you get a browser notification with a side-by-side diff of what changed.

Technical Details

Reliable monitoring with minimal resource usage.

Manifest
V3 (latest)
Permissions
storage, alarms, activeTab, scripting, notifications
Storage
chrome.storage.local
Background
Service Worker with alarms API

FAQ

Can I monitor any website?

Yes! PagePulse works on any website you can visit in your browser. Just click on the element you want to watch -- a price, a stock status, a paragraph -- and you're set.

How often does it check for changes?

You can configure intervals from every minute to once a day. The default is every 30 minutes.

Does it work when Chrome is closed?

It requires Chrome to be running. However, it works in the background even if you're not actively using the browser.

Can I track price changes?

Yes. Point the visual picker at a price element and PagePulse will notify you when it changes.

Ready to try PagePulse?

Monitor websites effortlessly. Never miss an important change.

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