Lighthouse
Developer Tools
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
Users
1M
Rating
4.4
Reviews
335
7D Growth
0|0%
Stable signalNo paid features detectedMedium-risk permissions
Page load time
Displays page load time in the toolbar
Users100KCurrent public install base
Rating4.5Store average score
Reviews253Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
2 assetsPage load time Media preview
Trend
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7-day rating change
Start
4.55
Latest
4.55
7-day rating change
0.00
2026年7月13日2026年7月19日
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1-day growthFlat
00%7-day growthFlat
00%30-day growthFlat
00%Technical snapshot
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Version4.0
ManifestV3
Size19.72KiB
Languages1English
Published
Store updated
Last crawled
English
Overview
Product summary
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This extension measures page load time and displays it in the toolbar. Navigation Timing API is used for precise measurement.
Source code available at
https://github.com/alex-vv/page-load-time
Reviews
Recent review snapshot
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Store average score4.5Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.4Average computed only from synced review bodies below
Reviews with text114Synced review bodies
Total ratings / reviews253Chrome Web Store public rating/review count
Store average score: 4.5. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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Neskutečnej rachot
Used to be good, It became in another abandonware. Go for this one instead https://chromewebstore.google.com/detail/load-time/jboepgdkcgchplagkfmgdhefadfahgda
It's a nice extension but it will be removed soon. The original developer no longer maintains it, so i have upgraded it based on this extension: https://chromewebstore.google.com/detail/page-load-time-and-resour/ojhodeghklckkpnpajojiejicohgefpa
I was using this as a major tool to get after my ISP. And NOW, I get "This extension may soon no longer be supported because it doesn't follow best practices for Chrome extensions." Is this something Google's stupid overreaching arse did? Or is it something the developer can tweak and give back to us? PLLLLEEEEAAAASE!!
good
It stopped working, but reinstall really helped. Love it, use all the time
Useful extension to test website loading time quickly. Specially, when you develop web pages rarely.
Very useful extension help checking website speed too fast
Stopped working..
Works great and gives great information. Before you say it doesn't work, try clicking the puzzle piece followed by the pin icon next to the plugin to make sure it's enabled. Installing it is not enough to enable it.