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PageSpeed Insights (MV3) icon

PageSpeed Insights (MV3) Chrome Extension Analysis

SEO & Traffic Analytics

Chrome extension ID: lanlbpjbalfkflkhegagflkgcfklnbnh

This extension provides a local implementation of PageSpeed Insights, allowing users to analyze webpage performance metrics. It serves as a browser-based utility for developers seeking performance optimization suggestions.

Developer:instwave.com
Version:0.2.0.0
Size:524KiB
Last updated:
View developer profile
External:Chrome Web StoreOfficial website

Overview

Installs

30K+

Rating

★ 3.5

77 reviews

Languages

1 locales

Includes English

Market analysis

Review-backed positioning, friction, and market signals for this Chrome extension.

Backed by review samples

Macro category

SEO & Traffic Analytics

Pricing friction

Low review signal

Complaint intensity

High review signal

Listing & review signals
Observed signals from store listing text and review samples.

Listing positioning

The extension positions itself as an experimental tool for analyzing webpage performance directly within the browser. It is explicitly marketed as a niche alternative for users on ARM-based hardware who require specific compatibility.

Inferred product pattern

Legacy open-source extension maintenance project.

Review-backed pain points

Users frequently report critical launch failures, with specific complaints regarding missing internal guide files and PNaCl compilation errors.

Observed feature gaps

The extension lacks consistent stability and currently relies on experimental code, leading to significant functional gaps compared to modern, browser-native performance auditing tools.

Tags
PageSpeedPerformance OptimizationWeb DevelopmentGoogle ToolsWeb Performance
Target users

- Web Developers

- Performance Engineers

- ARM-based computer users

Primary use cases

- Auditing webpage performance

- Generating optimization suggestions

- Offline/In-browser performance testing

Positive themes

- Utility as an alternative to online PageSpeed tools

- Effective for users who prefer local analysis over web-based dashboards

Negative themes

- Frequent file-not-found errors (ERR_FILE_NOT_FOUND)

- Loading failures related to PNaCl/NaCl modules

- Outdated or broken UI components

Observed friction

- Performance complaints detected

- None; the product is free to use.

Evidence boundary: Data is derived from store listing descriptions and historical user feedback documenting installation and runtime stability issues. Reviews date back several years, reflecting older versions of the extension; current stability in the latest Manifest V3 release may vary.
Complaint summaries
Review-backed complaint signals grouped by operational area.

Support

Users expressed frustration regarding dead links and lack of functional fixes for long-standing errors.

Reliability

High; users report recurring system errors and broken installation files that prevent the extension from launching.

Privacy

No privacy-related complaints observed.

Access & pricing

- Free usage observed

- No account requirement observed

- Free plan or free usage claimed

Store listing facts

Listing assets

- Screenshots: 1

- Videos: 1

- Languages: 1

Trust signals

- Developer contact

- Official website

Store metadata

- Version: 0.2.0.0

- Size: 524KiB

- Last updated:

Listing SEO keywords

Search intent keywords
Keyword signals for evaluating how users may discover, compare, or search for this extension category.

Core discovery

PageSpeed Insights chrome extensionwebsite performance auditorweb performance check tool

Comparison

Google PageSpeed Insights online vs extension

Problem

PageSpeed Insights ERR_FILE_NOT_FOUNDextension not workingNaCl module load failed

Alternative

Lighthouse Chrome extensionweb performance analyzer

Similar extensions

Jump to related discovery paths:

More in developerMore from this developer

Screenshots

PageSpeed Insights (MV3) screenshot

Links

Website: github.com

Videos: Watch

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