WEB / CHANGE DETECTION / REVIEW

PageWatch.

Track changes to public webpages and get alerts while this tab is running. Track up to five sites without creating an account.

SESSION MONITOR · 5 SITES MAX

01 / Your watch list

BROWSER-SAVED

Website to monitor

Name / label (optional)

Recheck interval (while tab open)

PRO / Only flag changes containing keyword (optional)

Saved on this browser. Checks require an internet connection.

Watched pages

0 / 5

Add a public website to start monitoring.

First-release limit: Checks and desktop alerts run only while this browser tab remains open. PageWatch does not send unattended emails, push messages, or background alerts. It compares readable page text, not screenshots.

02 / Detection log

IDLE

0Tracked pages

0Changes detected

0Checks this session

Recent activity

No checks yet.

How PageWatch works

Baseline: Your first successful check saves a fingerprint of the page's readable text.

Comparison: Later checks compare fingerprints and flag differences. Dynamic pages may trigger false positives.

Privacy: Monitored URLs are sent to the SphereShift Labs server for retrieval, but watch lists and comparisons stay in this browser's storage. Do not enter private or credential-bearing URLs.

Limitations: Public HTML pages only. Sites requiring login, JavaScript-rendered pages, blocked bots, and large pages may fail. Checks are intentionally throttled.