Position	Website	Change	Thumbnail
1	validator.w3.org - The W3C Markup Validation Service W3C	0
2	html5.validator.nu - Validator.nu (X)HTML5 Validator	31
3	css-validator.org - The W3C CSS Validation Service	0
4	freeformatter.com - Free Online Tools For Developers - FreeFormatter.com Online tools for developers, including formatters (JSON, XML, HTML, SQL, etc.), minifiers (JavaScript, CSS), validators, compactors and many more!	26
5	w3schools.com - W3Schools Online Web Tutorials HTML XHTML CSS JavaScript XML XSL ASP SQL ADO VBScript Tutorials References Examples	-2
6	chami.com - Chami.com -- Web Developer Tools HTML Kit is a free, full-featured, customizable, multi-purpose editor designed to help HTML, XHTML and XML authors to create and publish web pages. Ne...	-6
7	utilities-online.info - Utilities and Tools online	-1
8	javascriptkit.com - JavaScript Kit- Your comprehensive JavaScript, DHTML, CSS, and Ajax stop Your comprehensive JavaScript, DHTML, CSS, and Ajax stop	-1
9	addons.mozilla.org - Add-ons for Firefox	10
10	stackoverflow.com - Stack Overflow	-2
11	sourceforge.net - SourceForge.net: Download and Develop Open Source Software for Free SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory	0
12	wordpress.org - WordPress › Blog Tool and Publishing Platform	0
13	habilis.net - Homo Habilis Associates	0

I have no idea. Please, refresh tomorrow ;)

Site	Traffic	Engagement
w3.org	73.6%	1.1x
duplika.com	5.5%	0x
librosweb.es	4.7%	0x
w3c.es	4.3%	0x
forosdelweb.com	4.3%	0x
Other	7.6%	0x

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