![](https://addons.mozilla.org/user-media/addon_icons/901/901578-64.png?modified=1576601291)
Compat Report
Shows a report of browser compatibility issues using data from MDN
![](https://addons.mozilla.org/user-media/previews/thumbs/193/193905.jpg?modified=1622132878)
What is Compat Report?
'Compat Report' is a valuable Firefox add-on designed for web developers. Its primary function is to provide a detailed report on browser compatibility issues using insightful data from Mozilla Developer Network (MDN). This tool efficiently identifies potential cross-browser problems, allowing developers to address these issues promptly for a smoother user experience.
Add-on stats
By: Eduardo Bouças
Rating: 4.63
(27)
Creation date: 2017-12-09
Weekly download count: 31
Firefox on Android: Yes
Risk impact: High risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 2
Permissions:
- <all_urls>
- tabs
- webNavigation
Size: 337.46K
Email: ma*****@eduardoboucas.com
Other platforms
Not available on Chrome
Not available on Edge
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User reviews
These summaries are automatically generated weekly using AI based on recent user reviews.
Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate,
spammy, or outdated.
Pros
- Helps to see browser compatibility on websites
- Displays information on CSS property support
- Facilitates finding necessary polyfills for modern CSS/JavaScript
Cons
- Laggy performance and freezing issues
- Lacks dark mode
- Reloading the whole tab instead of just the compatibility section
Most mentioned
- Amazing concept
- Needs a dark mode/dark theme support
- Shows detailed compatibility information
Recent reviews
by cibergalo, 2024-02-01
Add-on safety
Risk impact
Compat Report is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Compat Report if you trust the publisher.
Risk likelihood
Compat Report is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.
Upgrade to see risk analysis details