webproger > cheat sheets > HTML/CSS > validation
 
 Feed Validation Service
a free service that checks the syntax of Atom or RSS feeds.
http://qindex.info/i.php?f=514#19843
 
 W3C CSS Validation Service
http://qindex.info/i.php?f=514#19521
 
 W3C Markup Validation Service
http://qindex.info/i.php?f=514#19520

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