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Do you build Web sites and pages? Do you toss and turn restlessly in bed at night, wondering if your code is XHTML-valid, accessibility-compliant, and current-browser-friendly? Do you gnash your teeth and rend your garments when you get an e-mail complaining that there’s something wrong with your Web site?
If so, you need to ease up a little.
In the meantime, you can use some of the 31 Free Online Tests compiled in one handy-dandy post at Aviva Directory. The 31 tests are broken into 5 categories: Code Validation; Accessibility; Speed; Browser Simulators; and, Search Engine Optimization.
Now you have no excuse for non-valid, non-compliant, non-friendly, gnash- and rend-inducing code.