[3] A year later it was redesigned to "catalyze a big increase in traffic, across downloads, users, and total number of apps".

[4] As of June 2012, there were 750 million total installs of content hosted on Chrome Web Store.

[6][7] In 2014, Google removed two such extensions from Chrome Web Store after many users complained about unwanted pop-up ads.

[12][13][14][15] In January 2018, researchers from security firm ICEBRG found four malicious extensions with more than 500,000 combined downloads.

[12][16] In February 2021, Google blocked "The Great Suspender", a popular extension with 2,000,000 users after it was reported that malicious code was added to it.