Their dual core browser - they have more than one browser - bakes in functionality that some extensions provide to allow switching between Chromium and Trident rendering engines. Arguably this pushes forward adoption of Webkit in China, as it means that people can browse using Chromium much of the time and switch back to "Compatibility mode" for many of the sites that are designed for just IE.<p>Also it might be difficult for websites to know when Qihoo's browsers are being used, see two sample user agent strings below.<p>Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; MAAU)<p>Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1132.57 Safari/536.11<p>A couple of slightly inaccurate points in the article: I just installed and uninstalled 360 safe browser - no option to revert to IE, so that point's not correct. The icon is much like IE, but they have their own distinctive icon for their dual core browser.<p>Here are the "About my browser" links:<p><a href="https://aboutmybrowser.com/3787375515" rel="nofollow">https://aboutmybrowser.com/3787375515</a> (Qihoo with Chrome core)<p><a href="https://aboutmybrowser.com/658681127" rel="nofollow">https://aboutmybrowser.com/658681127</a> (Chrome dev)<p>Seems Qihoo are one version behind the stable version released at the end of August.