Validated
This plugin will allow you to check your pages/posts HTML against the W3C Validator.
Tag Plugin: xhtml
Gallery Shortcode Style to Head
Moves the gallery shortcode styles to the head so it doesn't break XHTML validation; allows…
HTML Purified
HTML Purified replaces the default comments filters with the more secure HTML Purifier.
Tidy Up
This plugin provides the ability to run HTML Tidy through all your posts, pages, and…
SyntaxHighlighter2
Easily post source code such as PHP or HTML and display it in a styled…
AddThis xmlns
This plugin adds the xmlns:addthis="http://www.addthis.com/help/api-spec" entry to the HTML tag. This head entry is required…
(x)html easy validator
Check the doctype validity using W3c validator (html , xhtml , … ) when creating…
XVE Various Embed
XVE (XVE Various Embed) is a simple yet powerful way to add media content to…
SyntaxHighlighter Evolved: ABAP Brush
This is a Advanced Business Application Programming (ABAP) brush for the "SyntaxHighlighter Evolved" plugin.
Batch Validator
This plugin performs a batch markup validation check over your entire WordPress website.
Widget para añadir los iconos de validación de W3C Validator
Este Plugin nos muestra en cualquier lugar que se pueda añadir un Widget de texto…
Code View
Easily use highlightjs and line-numbers to syntax-highlighted sample code on your blog posts
MoFuse WordPress Plugin
Requires at least 2.0.2 Test up to: 2.7.1 Stable tag: 2.7.1 This plugin works with…
WP-Validate
WP-Validate collects all the pages on your site and runs them through the W3C's HTML…