 It is known for its small app size and data compression technology, making it popular in emerging markets where people tend to have mobile phones with more limited device memory and internet bandwidth.In particular, the browser is unique in its use of proxy servers, which run data through UCWeb servers before sending it to the user's device, enabling data compression but also posing privacy risks.Additional features of the browser include cloud acceleration, multi-file format downloading, HTML5 web app and cloud syncing features, and "fast download", a feature that downloads files in multiple parts simultaneously.