10 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 193,421 items in Chrome Web Store. Out of those, 146,468 (75.72%) are extensions , 28,757 (14.87%) are theme , 18,196 (9.41%) 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 146,468
Theme 28,757
Application 18,196

2, Publishers

There are 114,135 publishers who have published to Chrome Web Store. 83.75% has published only 1 extension. However, there are 9 publishers who have published 1000+ Chrome extensions. Interestingly, these publishers publish only themes!

# of extensions
Number of extensions by a publisher
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Table

3, Active user count

86.71% of all Chrome extensions have less than 1000 active users. Only 230 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). 83.51% of all authors have less than 1000 active users. Only 230 authors have 1M+ cumulative active users.

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

4, Ratings

39.88% of all Chrome extensions have 0-stars ratings, while 26.87% 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: 34.56% of all authors have 0-stars ratings, while 29.19% 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 77,132
1-1.99 stars 4,676
2-2.99 stars 5,693
3-3.99 stars 17,257
4-4.99 stars 36,693
5 stars 51,970
Author's average ratings
Average ratings across all extensions by a publisher
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Table
0 stars 39,443
1-1.99 stars 2,612
2-2.99 stars 3,652
3-3.99 stars 11,728
4-4.99 stars 23,379
5 stars 33,321

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 26.27% of all Chrome extensions. The Fun category takes second place, with 14.01% 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 50,807
Fun 27,095
Photos 14,694
Web Development 14,006
Communication 12,841
Accessibility 11,574
Shopping 7,542
Search Tools 6,383
Games 4,624
News 3,429
Others 32,654

6, Pricings

Chrome Web Store is dominated by free Chrome extensions - 91.74% are free. Within the paid extensions, about half support a subscription model (pay monthly / annually), while the other half requires a one-time fixed payments. In-App payment make up a small percentage (only 0.66% of all extensions), but they are able to attract more users than their paid / subscription counter-part.

Break down by pricing model
Number of extensions with the given pricing model
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Table

7, Last updated time

Believe it or not, 59.14% of all Chrome extensions have not been updated in the past 2 years. In the past 30 days, 4.03% of extensions have been updated.

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

8, 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.

9, Languages and locales

Chrome Web Store supports 48 languages / locales. Most Chrome extensions support the default English locale, which account for 57.95% of all Chrome extensions.

Break down by languages / locales
Number of extensions in each language / locale
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Table
English 112,095
English (United States) 46,945
русский 23,056
Français 21,418
日本語 21,345
中文 (简体) 20,454
español 20,429
Deutsch 20,133
italiano 18,220
한국어 17,868
Türkçe 17,489
polski 17,326
Nederlands 17,170
svenska 16,486
čeština 15,303
suomi 14,872
українська 14,857
română 14,744
dansk 14,636
slovenský 14,549
Others 312,484

10, Collections

Chrome Web Store features 199 collections. Most collections have less than 50 extensions. Offline Apps is the largest collection with 3,142 extensions