Wattspeed icon

Wattspeed

by Caphyon · wattspeed.com · Developer Tools
FeaturedEstablished publisherManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Wattspeed is a browser extension that offers powerful web technologies insights each time you open a new web page.

Users
1,000
0 in 30 days
Rating
4.9 / 5
unchanged in 30 days
Ratings
26
0 in 30 days
Store rank
#24K
#20K among extensions
Version
4.4.0
updated 7 Aug 2023

Users

monthly, 3 years
3006501,000Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 1,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
81827Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 26 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Wattspeed

Get powerful web technologies insights each time you open a new web page. - Mobile-friendly test - Google Lighthouse scores - Core Web Vitals for the last 28 days - Security audit - HTML5 validation - Accessibility checker - Mixed content & JSON-LD structured data snippet detection and more... - What web server is behind the URL? - What Analytics tool is used to get visitor insights? - What Marketing or Chat tools are used to convert the visitors? - What Advertising network is running in order to sell ads? - What CMS powers the forum, blog or the online shop? - What CSS and JS frameworks are used to build that user interface?

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days0+0.0%00.00
6 months0+0.0%−1−0.01
1 year0+0.0%−1−0.01

Version history

4 versions recorded
4.4.07 Aug 2023
4.3.020 Jul 2023
4.2.024 Dec 2021
4.1.029 Jun 2020

Details

Category
Developer Tools
First seen
29 Jun 2020
Size
116 KB
Languages
en
Pricing
Free
Privacy policy
wattspeed.com
Extension ID
mbkehkfjhncahcaggkncdaacfnikmoid

Permissions and risk

Minimal riskimpact 3, likelihood 0
Permissions
tabsscriptingactiveTabstorageunlimitedStorage
Site access
http://*/*https://*/*
Can read and change data on every website you visit.

Alternatives to Wattspeed

Extensions that rank for the same store searches or share the Developer Tools category, ordered by users
GoFullPage - Full Page Screen Capture11M users · 4.9 ★ · 84,378 ratings touchenex 확장8M users · 1.2 ★ · 6,327 ratings TrendAI™ Toolbar for Enterprise7M users · 1.2 ★ · 45 ratings SentinelOne6M users · 1.4 ★ · 190 ratings React Developer Tools5M users · 3.5 ★ · 1,643 ratings ColorZilla4M users · 4.7 ★ · 3,939 ratings Take Webpage Screenshots Entirely - FireShot3M users · 4.9 ★ · 52,614 ratings WhatFont3M users · 3.8 ★ · 2,056 ratings