Google Lighthouse

Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.

Google Lighthouse is a powerful, open-source Chrome extension designed to help developers and webmasters improve the performance, quality, and correctness of their web applications. By leveraging the PageSpeed Insights API and running headless Chrome from Google's service, it generates detailed Lighthouse reports that highlight areas for optimization. This tool audits public URLs and provides actionable insights to enhance user experience, accessibility, SEO, and overall web standards compliance, making it an essential tool for modern web development and optimization.

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By:
Google Lighthouse
Daily users:
15,808 -124
Rating:
3.53
(47)
Version:
100.0.0.3 Last updated: 2023-08-17
Version code:
5604335
Creation date:
2020-02-14
Risk:
Very low risk impact Low risk likelihood
Permissions:
  • activeTab
  • storage
Size:
27.50K
Full description:
See detailed description
Source:
Firefox Browser Add-ons
Updated:
a day ago

Other platforms

Lighthouse (v100.0.0.4)
1,000,000 4.44 (320)

User reviews

The Firefox add-on "Google Lighthouse" is praised for its simplicity and ease of use, providing accessible report generation and effective website analysis. However, multiple users report significant drawbacks, including lack of support for localhost testing, limitation to mobile site analytics only, frequent errors during tests, and a poorer experience compared to the Chrome version where it mainly redirects to the web viewer. These issues hinder its usefulness, especially for developers needing desktop or local environment testing.
Pros
  • Simple and easy to use with a straightforward interface.
  • Provides handy access to saving and printing of reports.
  • Effectively analyzes websites and helps reduce dependency on PageSpeed Insights.
Cons
  • Does not support testing local or localhost websites, which is frustrating for developers.
  • Only provides statistics for the mobile version of websites, no desktop stats available.
  • Frequently returns errors when loading pages, causing tests to fail.
  • Effectiveness is limited compared to the Chrome version; functions mostly as a link to the web viewer.
Recent reviews
Only lets you see stats for the mobile version of your website. I know Google prefers that, but it's not Google's website, it's mine, and it's not Google's users, they're mine, so it kind of makes this useless to have Google make a decision for me that I'm not interested in seeing desktop stats, when I actually am more interested in them than the mobile stats.
by Go*****, 2025-05-03

by 敬念*****, 2025-03-26

by 退出*****, 2025-02-11
View all user reviews ›

Extension safety

Risk impact

Google Lighthouse does not require any sensitive permissions.

Risk impact analysis details
    Risk likelihood

    Google Lighthouse has earned a fairly good reputation and likely can be trusted.

    Risk likelihood analysis details
    • Medium This extension has medium user count. Unpopular extensions may not be stable or safe.
    • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
    • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
    • Good **** ********* *** **** **** *******
    Upgrade to see full risk analysis details

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