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PageSignal
Monitor page changes from your own browser
PageSignal is a Chrome extension that watches web pages for changes and sends desktop alerts. The key difference is that monitoring runs from your own browser instead of a third-party server, so your data stays local. Pro adds higher-frequency checks and support for JavaScript-rendered pages.
Hey everyone — I made PageSignal to solve a simple problem: I wanted page change alerts without routing everything through a third-party monitoring service.
So I built a Chrome extension that runs monitoring from your own browser and sends desktop notifications when pages change.
The paid version adds higher-frequency checks and support for JavaScript-rendered pages for more demanding use cases.
I’m sharing it here to learn what use cases resonate most and what features would make it genuinely useful. Thanks for checking it out.
About PageSignal on Product Hunt
“Monitor page changes from your own browser”
PageSignal was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #160 on the daily leaderboard. PageSignal is a Chrome extension that watches web pages for changes and sends desktop alerts. The key difference is that monitoring runs from your own browser instead of a third-party server, so your data stays local. Pro adds higher-frequency checks and support for JavaScript-rendered pages.
On the analytics side, PageSignal competes within Chrome Extensions, Productivity and Developer Tools — topics that collectively have 1.2M followers on Product Hunt. The dashboard above tracks how PageSignal performed against the three products that launched closest to it on the same day.
Who hunted PageSignal?
PageSignal was hunted by Shinya Takahashi. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of PageSignal including community comment highlights and product details, visit the product overview.
Shinya Takahashi