Sentinel — Rate This Page

About

Sentinel lets you quickly rate the quality and safety of any web page you visit and securely submit that rating to a shared database.

What it does
• Adds a toolbar button so you can rate the current page in a few clicks
• Lets you score pages on credibility, bias, clickbait, and overall quality
• Optionally add a short note explaining why you rated the page that way
• Stores ratings anonymously or linked to your Sentinel account
• Uses strong cryptography to sign each rating before it’s sent to our backend (Supabase)

How it works
1. Open any web page.
2. Click the Sentinel toolbar icon.
3. Pick a rating and (optionally) write a note.
4. Your review is hashed, signed locally in your browser, and sent to our API.

Privacy & security
• Sentinel only reads the active tab’s URL and title when you open the popup or submit a rating.
• We do not read or store page contents.
• Ratings are sent over HTTPS to our Supabase backend and may be used for aggregate analytics and machine-learning research to improve content quality tools.
• No ads, no third-party trackers.
This extension is part of the Sentinel project, which explores community-driven approaches for assessing online information quality.