Alternatives

Products that do what PageSignal does

Monitor page changes from your own browser

1
TrafficTicker▲217
Monitor your Google Analytics site traffic in real-time
2018
2
Extension Monitor▲87
Track browser extension installations / threats in real-time
2019
3IB
I built a tool that watches webpages and exposes changes as RSS▲320
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
4
Free Monitoring Suite by WebGazer▲338
Monitoring for websites, APIs, and cron jobs
2024
5
PageX▲39
The X-ray report of any webpage
2025
6
Page Pad▲110
Chrome extension for making notes on any web page
2021
7
Page Notes Sidebar▲107
Capture thoughts where they happen
2025
8
Sidenote▲268
Comment and live chat on any page of the internet
2024
9
Exstats▲225
Track your browser extensions and competitors in one place
May 2026 · exstats.com
10
Distill▲144
Tracking website updates, automated and simplified
2019
11
Pagescreen▲104
Track any website visual change. Effortless.
2017
12
CanvasFlip Visual Inspector▲135
Free Chrome extn for designers to inspect/edit live websites
2017
13
Trackr▲174
Keep track of the time you spend on websites
2015
14
Pagetuner▲94
Visual feedback directly on your website
2022
15
Browsee Analytics for Chrome▲78
Chrome Extension for easy lookup of your website's sessions
2020
16
PageCrawl.io▲92
Track Website Changes
2019
17
Web Inspector▲107
Inspect, debug, and extract — all in one web tool
2025
18
Suspicious Site Reporter▲74
Report suspicious sites to Google
2019
19
PageVigil▲4
PageVigil: The smartest way to directly from your browser.
Jul 2026 · chromewebstore.google.com
20
PagePulse▲7
Click any element on any website - get notified on change
Feb 2026
21
Site Speed Chrome Extension▲70
Quickly test site speed and view observed Lighthouse data
2022
22
Page Tools▲78
Give Chrome Inspector super powers ⚒😺
2018
23
Web Activity Time Tracker▲97
Track your activity in the browser
2019
24
xNotes▲80
For those who browse and write notes a lot 📝
2018

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