Work on HTML 5 is rapidly progressing, yet it is still expected to continue for several years. Due to the requirement to produce test cases and achieve interoperable implementations, current estimates have work finishing in around ten to fifteen years.
Jeffrey Zeldman argues that there are (almost) no problems with the W3C, and that the slow speed at which the W3C progresses causes no real problems and definitely no<sep/>
Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page.