PageSpeed Insights (MV3)

PageSpeed Insights (MV3)

Analyze the performance of your webpages and get specific suggestions on how to optimize them.

PageSpeed Insights (MV3) promo image
What is PageSpeed Insights (MV3)?

PageSpeed Insights (MV3) is an experimental Chrome extension that leverages open-source code to provide an in-depth analysis of your webpages' performance. It highlights potential issues that could be slowing down page load times and offers specific solutions to optimize them. It's the only available PageSpeed Insights extension for ARM-based computers, consistently updated to fix bugs and improve functionality. Detailed in its data presentation, it's a valuable tool for anyone keen on improving website performance.

Rating: 3.45 (76)
Version: (Last updated: 2023-01-27)
Creation date: 2018-07-10
Risk impact: High risk impact
Risk likelihood: Low risk likelihood
Manifest version: 3
  • scripting
  • tabs
  • webNavigation
  • webRequest
Host permissions:
  • https://*/*
  • http://*/*
Size: 536.58K
Email: Click to see
Stats date:

Other platforms

Not available on Firefox
Not available on Edge
  1. This extension is experimental.

  2. The UI is using the open source code, which is different from the current (deprecated) PageSpeed Insights extension.

  3. If you are using ARM-based computer, this is your only choice for PageSpeed Insights for now.

[ NOTE: if you find any bugs, please file an issue at ]

Update: 2023-01-26 v0.0.2.0 Rewrite the some C++ code for WebAssembly, and migrated the extension to manifest_version:3.

2022-07-14 v0.0.1.11 Removed pnacl module as it is deprecated. Stay tuned for a new implementation of the running code.

2018-07-10 v0.0.1.10 Fix issue/34. Background color.

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User reviews
User reviews summary
These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
  • Very helpful
  • Provides useful information
  • Works as expected
  • Freezes when fetching HAR
  • Issues running on Chrome 48
  • Errors in PageSpeed background
  • Not correctly detecting server used gzip compression
  • Does not work
Most mentioned
  • Errors
  • Usefulness
  • Issues with specific Chrome versions
View all user reviews
Risk impact

PageSpeed Insights (MV3) 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 extension. Review carefully before installing. We recommend that you only install PageSpeed Insights (MV3) if you trust the publisher.

Risk likelihood

PageSpeed Insights (MV3) has earned a fairly good reputation and likely can be trusted.

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Promo video
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