This feature debuted on, in the first official release of the browser. Features Ĭốc Cốc has a mechanism to perform reverse domain name resolution, allowing the bypassing of blocked websites (including Facebook) on DNS. In October 2017, Cốc Cốc reached more than 22 million users and ranked as the second most popular browser in Vietnam after Google Chrome.

On 2 April 2014, Cờ Rôm+ was officially re-branded as the Cốc Cốc browser to unify the company's brands under that name: Cốc Cốc Search Engine, Cốc Cốc browser and Nhà Nhà mobile app. Two months after the official release, the number of Cốc Cốc users in Vietnam surpassed Opera and later Safari and Internet Explorer. At that time, the interface of Cốc Cốc was similar to that of Google Chrome, but the browser had already integrated two features: the ability to download files to multiple streams and the storage of media content The first version of the browser was presented under the brandname Cờ Rôm+ on 4 December 2012 ( Cờ Rôm being the Vietnamese pronunciation of Chrome).

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