WebKit 是一个开源浏览器网页排版引擎，与之相应的引擎有Gecko（Mozilla，Firefox 等使用的排版引擎）和Trident（也称为MSHTML，IE 使用的排版引擎）。同时WebKit 也是苹果Mac OS X 系统引擎框架版本的名称，主要用于Safari，Dashboard，Mail 和其他一些Mac OS X 程序。WebKit 所包含的 WebCore 排版引擎和 JSCore 引擎来自于 KDE 的 KHTML 和 KJS，当年苹果比较了 Gecko 和 KHTML 后，仍然选择了后者，就因为它拥有清晰的源码结构、极快的渲染速度。

目前使用WebKit 引擎的浏览器主要有：Safari(apple出品)，Midori，chrome(google出品)等。 -WebKit open source browser is a web publishing engine, the engine with Gecko (Mozilla, Firefox, such as the use of the layout engine) and Trident (also known as MSHTML, IE use the layout engine). At the same time, WebKit is Apple Mac OS X system framework version of the name of the engine, mainly for Safari, Dashboard, Mail and other Mac OS X program. WebKit contains WebCore layout engine and JSCore engine from KDE' s KHTML and KJS, when comparing apples Gecko and KHTML still chose the latter because it has a clear structure of the source, fast rendering speed. Currently using WebKit browser engine, there are: Safari (apple production), Midori, chrome (google products) and so on.