Chromium is a web browser developed by Google. Publish and open the source code of many free copyrights such as BSD license. The development of chromium may have started as early as 2006. The design idea is based on the concepts of simplicity, high speed, stability and safety. The WebKit typesetting engine developed by Apple, part of the source code of Safari and the achievements of Firefox are used in the architecture, and the V8 engine developed exclusively by Google is used, which improves the efficiency of interpreting JavaScript. In addition, functions such as "sandbox", "blacklist" and "seamless browsing" are designed to realize a stable and safe web browsing environment. Chromium is Google developing its own browser. Chrome (hereinafter referred to as Chrome), so Chrome is equivalent to an engineering version or an experimental version of Chrome (although Chrome itself has a beta version). The new function will be implemented on Chrome first, and then applied to Chrome after verification, so the function of Chrome will be relatively backward but stable. Chromium updates very quickly, and new development versions are released every few hours, so it can be used without installation. After downloading the zip package, you can decompress it (there is also an installed version under Windows). Although Chrome is installed for free in theory, Google only provides an installed version.