HEATKEYS

Position	Website	Change	Thumbnail
1	validator.nu - Validator.nu	0
2	validator.w3.org - The W3C Markup Validation Service W3C	0
3	github.com - Secure source code hosting and collaborative development - GitHub	2
4	wiki.whatwg.org - WHATWG Wiki	-4
5	programmableweb.com - ProgrammableWeb - Mashups, APIs, and the Web as Platform ProgrammableWeb.com keeps you up to date with web mashups and APIs: what	2
6	blog.paciellogroup.com - The Paciello Group Blog | Your Accessibility Partner	0
7	mvnrepository.com - Maven Repository: Search/Browse/Explore	-1
8	456bereastreet.com - 456 Berea Street: Articles and news on web standards, accessibility, and usability Articles and news on web standards, accessibility, usability, and other things related to web development and web design.	-6
9	tickets.musicbrainz.org - System Dashboard - MusicBrainz JIRA	0
10	twitter.com - Twitter Twitter is without a doubt the best way to share and discover what is happening right now.	35
11	askubuntu.com - Ask Ubuntu - Stack Exchange	0
12	stackoverflow.com - Stack Overflow	-2

I have no idea. Please, refresh tomorrow ;)

Site	Traffic	Engagement
validator.nu	73.4%	0x
w3.org	12.4%	0x
github.com	3.4%	0x
paciellogroup.com	3.2%	0x
whatwg.org	2.4%	0x
Other	5.2%	0x