Best xhtml plugins for WordPress
The most popular xhtml plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Validated leads with 500+ active installs, ahead of Gallery Shortcode Style to Head (100+) and HTML Purified (50+). All 17 plugins tagged “xhtml” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
Research this niche or see all plugins.
Top 10 xhtml plugins
- 1.
ValidatedThe most installed xhtml plugin, with 500+ active installs. Rated 4.0 from 5 reviews, last updated 6 years ago. Tested only up to WordPress 5.3.27.
- 2.
Gallery Shortcode Style to Head100+ active installs. Only 1 review so far, last updated 11 years ago. Tested only up to WordPress 4.1.42.
- 3.
HTML Purified50+ active installs. No reviews yet, last updated 14 years ago. Tested only up to WordPress 3.3.2.
- 4.
SyntaxHighlighter220+ active installs. No reviews yet, last updated 16 years ago. Tested only up to WordPress 3.0.0.
- 5.
XVE Various Embed10+ active installs. No reviews yet, last updated 14 years ago. Tested only up to WordPress 3.4.2.
- 6.
AddThis xmlns10+ active installs. No reviews yet, last updated 11 years ago. Tested only up to WordPress 4.1.42.
- 7.
Widget para añadir los iconos de validación de W3C Validator10+ active installs. No reviews yet, last updated 10 years ago. Tested only up to WordPress 4.4.34.
- 8.
(x)html easy validator10+ active installs. Only 1 review so far, last updated 15 years ago. Tested only up to WordPress 3.2.1.
- 9.
MoFuse WordPress Plugin10+ active installs. No reviews yet, last updated 16 years ago.
- 10.
SyntaxHighlighter Evolved10+ active installs. No reviews yet, last updated 15 years ago. Tested only up to WordPress 3.1.4.
All 17 plugins tagged “xhtml”
Validated
Up in the last 7 days:32#8,764by Allan Collins7 years ago
This plugin will allow you to check your pages/posts HTML against the W3C Validator.
- Installs
- 500+
- Rating
- 4.0(5)
- Downloads
- 8/day
Gallery Shortcode Style to Head
Down in the last 7 days:249#16,391by Matt Martz11 years ago
Moves the gallery shortcode styles to the head so it doesn't break XHTML validation; allows disabling or modifying the default gallery styles.
- Installs
- 100+
- Rating
- 5.0(1)
- Downloads
- 0/day
HTML Purified
Up in the last 7 days:301#20,623by John Godley14 years ago
HTML Purified replaces the default comments filters with the more secure HTML Purifier.
- Installs
- 50+
- Rating
- –
- Downloads
- 11/day
SyntaxHighlighter2
Down in the last 7 days:122#27,922by mohanjith16 years ago
Easily post source code such as PHP or HTML and display it in a styled box.
- Installs
- 20+
- Rating
- –
- Downloads
- 0/day
XVE Various Embed
Up in the last 7 days:1,622#32,994by SaltwaterC14 years ago
XVE (XVE Various Embed) is a simple yet powerful way to add media content to your WordPress blog.
- Installs
- 10+
- Rating
- –
- Downloads
- 2/day
AddThis xmlns
Down in the last 7 days:148#33,097by poluna12 years ago
This plugin adds the xmlns:addthis="http://www.addthis.com/help/api-spec" entry to the HTML tag. This head entry is required to make it Val …
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Widget para añadir los iconos de validación de W3C Validator
Up in the last 7 days:12,475#35,354by mavksoftes10 years ago
Este Plugin nos muestra en cualquier lugar que se pueda añadir un Widget de texto los distintivos de validación de W3C Validator.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
(x)html easy validator
Up in the last 7 days:8,863#36,383by Nikoya15 years ago
Check the doctype validity using W3c validator (html , xhtml , ... ) when creating or updating page / post / custom post type and show the result in …
- Installs
- 10+
- Rating
- 4.0(1)
- Downloads
- 0/day
MoFuse WordPress Plugin
Up in the last 7 days:2,579#39,411by dberube17 years ago
Requires at least 2.0.2 Test up to: 2.7.1 Stable tag: 2.7.1 This plugin works with a MoFuse account. This plugin will automatically detect and redir …
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
SyntaxHighlighter Evolved
#40,749by Fanninger Thomas15 years ago
This is a Advanced Business Application Programming (ABAP) brush for the "SyntaxHighlighter Evolved" plugin.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
WP-Validate
Up in the last 7 days:2,374#45,550wp-validator18 years ago
WP-Validate collects all the pages on your site and runs them through the W3C's HTML Validator.
- Installs
- 10+
- Rating
- –
- Downloads
- 5/day
Code View
Down in the last 7 days:1,870#45,670by zach28258 years ago
Easily use highlightjs and line-numbers to syntax-highlighted sample code on your blog posts
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Batch Validator
#47,477by Roland Rust19 years ago
This plugin performs a batch markup validation check over your entire WordPress website.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day