Acid3 Browser Test Now Live
Ian Hickson, the Google Employee was assigned the job of working on the next generation Acid test has completed his work and the Acid3 test is live at its new home http://acid3.acidtests.org/. The Acid test is a test which we all use to measure a Web Browser’s adherence to standards. Read more about Acid tests on this wikipedia page.
Unlike the first acid test, which focused on the box model, and the second acid test, which covered a broad variety of basic HTML and CSS features, Acid3 covers 100 of the nooks and crannies of HTTP, HTML, CSS, ECMAScript, SVG and XML, all through the medium of DOM scripting, a critical requirement for any modern web application.

