Browser

Documentation

主要ブラウザ比較表
http://tabbrowser.info/imradris.html

Performance Comparison of Major Web Browsers (200910の情報。古いが性能指標の参考になる)
http://sixrevisions.com/infographics/performance-comparison-of-major-web-browsers/

Wikipedia

Browser	Rendering Engine
Internet Explorer	Trident
Mozilla Firefox	Gecko
Google Chrome	WebKit
Safari
Opera	Presto

Mozilla - Developer Guide
https://developer.mozilla.org/En/Developer_Guide
https://developer.mozilla.org/en/Source_code_directories_overview
https://developer.mozilla.org/en/Mozilla_Source_Code_Directory_Structure
https://developer.mozilla.org/en/Gecko
MozillaWiki - Gecko:Home_Page
https://wiki.mozilla.org/Gecko:Home_Page

The Chromium Projects - Chromium
http://www.chromium.org/Home
http://www.chromium.org/developers

Webkit
http://www.webkit.org/
http://trac.webkit.org/wiki

Document Object Model
http://ja.wikipedia.org/wiki/Document_Object_Model
http://www.w3.org/DOM/DOMTR

Gecko

Webkit