Optimizely Assistant icon

Optimizely Assistant

by Optimizely · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Debug your Optimizely experiments with useful JavaScript console logging and powerful caching and snippet injection options.

Users
6,000
0 in 30 days
Rating
3.7 / 5
unchanged in 30 days
Ratings
3
0 in 30 days
Store rank
#13K
#11K among extensions
Version
3.1.2
updated 17 Apr 2025

Users

monthly, 3 years
1,0003,5006,000Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 6,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
124Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 3 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 Optimizely Assistant

This extension reads Optimizely JavaScript data and state for any snippet that you have access to in your Optimizely account. Visit the website your snippet is installed on and it prints useful debugging information to the JavaScript console. The messages include information about what experiments are running on the page and what experiment and variation you are currently bucketed into. The extension also enables you to use a non-cached version of your Optimizely snippet or even swap to use a different snippet you own on that page. These are useful tools for reducing wait time when debugging and trying out staging content on a production site. Here are the steps to setup the extension: - Turn on the extension by clicking on the Optimizely logo to the right of the address bar. - Login to your Optimizely account when prompted. This fetches the list of projects and snippets you have permission to view with the extension. - Open the Chrome JavaScript console to see the messages. - On Windows and Linux, press Control-Shift-J. - On Mac, press Command-Option-J. - Navigate to a site where your snippet is installed to see the console log populate with Optimizely information. - You will need to enable developer mode in order to use certain features The terms of the applicable agreement between you and Optimizely (including the online terms of service located at the following URL, https://www.optimizely.com/terms/ ) shall govern your access, installation and/or usage of this Optimizely Assistant Extension. You can learn more about the extension in our Knowledge Base at https://help.optimizely.com/QA_Campaigns_and_Experiments/The_Optimizely_Chrome_extension.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days0+0.0%00.00
6 months0+0.0%−1−0.33
1 year0+0.0%−1−0.33

Chrome Web Store search rankings

Where Optimizely Assistant appears when people search the store, with the 30 day change
Search phrasePosition30 days
javascript#100new

Version history

9 versions recorded
3.1.217 Apr 2025
3.1.13 Apr 2025
3.0.226 Sep 2024
3.0.125 Jun 2024
2.12.513 May 2023
2.12.325 Mar 2022
2.12.210 Nov 2021
2.12.112 Oct 2021

Details

Category
Developer Tools
First seen
20 May 2020
Size
515 KB
Languages
en-US
Pricing
Free
Privacy policy
optimizely.com
Support
support.optimizely.com
Extension ID
hkmpnondmidmfdlaphahbalnmphelnfo

Permissions and risk

Moderate riskimpact 4, likelihood 1
Permissions
activeTabcookiesidentitystoragetabswebNavigationdeclarativeNetRequestwebRequestuserScriptsscripting
Site access
<all_urls>
Can read and change data on every website you visit.

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