WebKit2 was first disclosed to the public in April 2010. Now half a year has passed, has there been any noticeable progress? This time I delve into the WebKit2 from the source-code point of view. First let me recap what WebKit2 actually is and how it's related to the current WebKit with the official high level design document as the reference. For those who are not very familiar with WebKit, it may be confusing that WebKit as a whole contains a part that shares the same WebKit name. WebKit as the framework has 3 major components - WebKit , WebCore , and JavaScriptCore - as you see in the source directory . WebCore is the layout engine that parses an HTML5 web page into a DOM tree and renders a render tree created out of a DOM tree with CSS information computed on each node. In addition to the abstract or platform-agnostic parts, it contains platform-specific implementations such as graphics and I/O if necessary. JavaScriptCore is the JavaScript engine. Google Chrome swaps i