Web Standards
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Web Developer's Handbook | CSS, Web Development, Color Tools, SEO, Usability etc.
Vitaly Friedman's The Web Developer's Handbook creativity | css galleries & showcases | color tools | color schemes, palettes | color patterns | fashion: colors selection | color theory | royalty free photos |
40 Online Generators for Web Designers Should Bookmark - tripwire magazine
Online Generators for Web Designers can be a great way to save time in your web design projects. High-quality generators can create graphics or code or even layouts in a matter of seconds or minutes, things that might take an hour or more if done by hand.
Web Page Analyzer - free website optimization tool website speed test check website performance report from web site optimization
Free Website Performance Tool and Web Page Speed Analysis Try our free web site speed test to improve website performance.Check Browser Compatibility, Cross Platform Browser Test - Browsershots
Browsershots makes screenshots of your web design in different operating systems and browsers.
The W3C's main production are its Specifications , but in the core of its philosophy is the belief that the natural complement to specifications is running code. This page lists some of the tools provided by the W3C in the domain of Quality Assurance: validators and other test tools. Almost all of these tools are web-based, are available both as downloadable source, and as free services on the w3.org site.
The W3C QA Toolbox - Validators, checkers and other tools for Webmasters and Web Developers
W3C Validation & SEO - Yoast - Tweaking Websites
Every once in a while I get an email about W3C validation.