9 interesting stats you didn't know about Chrome Web Store

Chrome extension stats

Google Chrome is the world's most popular web browser, and Chrome Web Store offers variety of different tools that help you become safer, smarter, and more productive with just one click.

You have probably installed an ad blocking Chrome extension, or install Honey to save you some money while shopping, or customize your browser with a theme you like. There is no denying that Chrome extensions have become an important part of our lives, but they can also be very dangerous. Many Chrome extensions have been caught stealing personal data, injecting ads, or replace your search engine, etc.

On the other hands, Chrome extension developers are struggling to become successful in Chrome Web Store too. Only a small handful of developers are able to create wildly used extensions. Most extensions have less than 1000 active users, and >90% of extensions are free.

This is why we built chrome-stats.com - to give users and developers more insights into what is going on in Chrome Web Store. All data are updated daily (there might be one day delay between when the data shows up in Chrome Web Store vs. here). Here are some interesting facts that we have found:

1. Extensions, themes, and apps

There are 186,449 items in Chrome Web Store. Out of those, 139,748 (74.95%) are extensions , 28,934 (15.52%) are theme , 17,767 (9.53%) are applications. What are Chrome applications? They are like a regular websites with extra capabilities. Chrome applications are deprecated, though many existing ones can still be found and installed from the Web Store.

Break down by type
Number of extensions in each type
Chart
Table
Extension 139,748
Theme 28,934
Application 17,767

2, Publishers

There are 114,737 publishers who have published to Chrome Web Store. 83.83% has published only 1 extension. However, there are 7 publishers who have published 1000+ Chrome extensions. Interestingly, these publishers publish only themes!

# of extensions
Number of extensions by a publisher
Chart
Table

3, Active user count

86.49% of all Chrome extensions have less than 1000 active users. Only 263 Chrome extensions have 1M+ active users.

Similar stats can be seen at the author level (looking at the sum of all active users across all extensions owned by a publisher). 83.03% of all authors have less than 1000 active users. Only 263 authors have 1M+ cumulative active users.

Break down by # of active users
Number of active users in an extension
Chart
Table
Cumulative # of active users
Sum of active users for all extensions by a publisher
Chart
Table

4, Ratings

38.37% of all Chrome extensions have 0-stars ratings, while 27.94% of all Chrome extensions have 5-stars ratings. Looking at the average ratings for a publisher, we again see a lot of 0 and 5 stars ratings: 34.07% of all authors have 0-stars ratings, while 29.89% of all authors have 5-stars ratings.

Based on these, we speculate that most extensions are not even rated by the authors themselves, or are only rated by the author and their friends.

Break down by ratings
Number of extensions with the given ratings
Chart
Table
0 stars 71,537
1-1.99 stars 4,453
2-2.99 stars 5,608
3-3.99 stars 16,992
4-4.99 stars 35,759
5 stars 52,100
Author's average ratings
Average ratings across all extensions by a publisher
Chart
Table
0 stars 39,090
1-1.99 stars 2,602
2-2.99 stars 3,691
3-3.99 stars 11,640
4-4.99 stars 23,416
5 stars 34,298

5, Categories

Although the developer may select a primary category for their Chrome extension, Google Chrome Web Store may automatically tag it under more categories. As a result, each extension may appear in one or more categories below. The most popular Chrome extension category is Productivity, capturing 26.01% of all Chrome extensions. The Fun category takes second place, with 12.66% of all Chrome extensions.

Break down by categories
Number of extensions in each category. (Note that an extension may belong to more than one category)
Chart
Table
Productivity 48,491
Fun 23,604
Communication 12,127
Accessibility 11,678
Photos 11,329
Shopping 7,575
News 2,784
Blogging 2,546
Sports 1,376
Education 853
Others 2,793

6, Last updated time

Believe it or not, 61.11% of all Chrome extensions have not been updated in the past 2 years. In the past 30 days, 4.65% of extensions have been updated.

Break down by last updated time
Number of extensions last updated in the given time frame
Chart
Table

7, Permissions

Chrome extensions are powerful because they have additional permissions to perform operations that a regular website cannot. However, some permission requests may look suspicious. Here are the breakdown of common permissions requested by Chrome extensions.

8, Languages and locales

Chrome Web Store supports 48 languages / locales. Most Chrome extensions support the default English locale, which account for 56.84% of all Chrome extensions.

Break down by languages / locales
Number of extensions in each language / locale
Chart
Table
English 105,973
English (United States) 45,590
русский 20,741
日本語 19,186
Français 18,968
español 17,906
Deutsch 17,622
中文 (简体) 16,010
italiano 15,928
한국어 15,600
Türkçe 15,263
Nederlands 14,849
polski 14,834
svenska 13,968
čeština 13,510
українська 13,220
suomi 13,058
română 13,021
slovenský 12,838
hrvatski 12,679
Others 270,375

9, Collections

Chrome Web Store features 199 collections. Most collections have less than 50 extensions. Offline Apps is the largest collection with 16,385 extensions

Break down by collections
Number of extensions in each collection. (Note that an extension may belong to more than one collection)
Chart
Table