Title: Deep Semantic HTML Checker
Author: Mahdeep
Published: <strong>December 5, 2025</strong>
Last modified: December 5, 2025

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![](https://ps.w.org/deep-semantic-html-checker/assets/banner-772x250.png?rev=3412519)

This plugin **hasn’t been tested with the latest 3 major releases of WordPress**.
It may no longer be maintained or supported and may have compatibility issues when
used with more recent versions of WordPress.

![](https://ps.w.org/deep-semantic-html-checker/assets/icon-256x256.png?rev=3412518)

# Deep Semantic HTML Checker

 By [Mahdeep](https://profiles.wordpress.org/mpds93/)

[Download](https://downloads.wordpress.org/plugin/deep-semantic-html-checker.1.0.1.zip)

 * [Details](https://wordpress.org/plugins/deep-semantic-html-checker/#description)
 * [Reviews](https://wordpress.org/plugins/deep-semantic-html-checker/#reviews)
 *  [Installation](https://wordpress.org/plugins/deep-semantic-html-checker/#installation)
 * [Development](https://wordpress.org/plugins/deep-semantic-html-checker/#developers)

 [Support](https://wordpress.org/support/plugin/deep-semantic-html-checker/)

## Description

Deep Semantic HTML Checker is a lightweight WordPress plugin that automatically 
optimizes heading structure for better SEO. It converts problematic headings to 
semantic HTML without modifying your theme files.

#### Features

 * Convert comment section H2 tags to divs
 * Convert comment form H3 tags to divs
 * Fix archive page headings
 * Remove duplicate H1 tags
 * Convert widget title headings
 * Fix footer headings
 * Fix mobile menu headings
 * Fix ad box headings
 * Individual on/off toggle for each feature
 * Compatible with all themes
 * Compatible with caching plugins
 * RTL support

#### Benefits

 * Improved SEO
 * Better semantic structure
 * No theme modifications needed
 * Universal theme compatibility
 * Lightweight and optimized

## Installation

 1. Upload the plugin files to the `/wp-content/plugins/deep-semantic-html-checker`
    directory, or install the plugin through the WordPress plugins screen directly.
 2. Activate the plugin through the ‘Plugins’ screen in WordPress.
 3. Go to Settings > Deep Semantic HTML Checker to configure.
 4. Enable or disable features as needed.

## FAQ

### Is it compatible with caching plugins?

Yes, just clear your cache after activating the plugin.

### Does it slow down my site?

No, the plugin is highly optimized with minimal performance impact.

### Do I need to modify my theme?

No, the plugin automatically processes HTML output without theme modifications.

### Will it work with my theme?

Yes, it’s compatible with all WordPress themes.

## Reviews

There are no reviews for this plugin.

## Contributors & Developers

“Deep Semantic HTML Checker” is open source software. The following people have 
contributed to this plugin.

Contributors

 *   [ Mahdeep ](https://profiles.wordpress.org/mpds93/)

[Translate “Deep Semantic HTML Checker” into your language.](https://translate.wordpress.org/projects/wp-plugins/deep-semantic-html-checker)

### Interested in development?

[Browse the code](https://plugins.trac.wordpress.org/browser/deep-semantic-html-checker/),
check out the [SVN repository](https://plugins.svn.wordpress.org/deep-semantic-html-checker/),
or subscribe to the [development log](https://plugins.trac.wordpress.org/log/deep-semantic-html-checker/)
by [RSS](https://plugins.trac.wordpress.org/log/deep-semantic-html-checker/?limit=100&mode=stop_on_copy&format=rss).

## Changelog

#### 1.0.0

 * Initial release
 * 8 heading optimization features
 * Modern admin interface
 * Individual feature toggles

## Meta

 *  Version **1.0.0**
 *  Last updated **6 months ago**
 *  Active installations **Fewer than 10**
 *  WordPress version ** 5.0 or higher **
 *  Tested up to **6.4.8**
 *  PHP version ** 7.2 or higher **
 * Tags
 * [accessibility](https://wordpress.org/plugins/tags/accessibility/)[heading](https://wordpress.org/plugins/tags/heading/)
   [optimization](https://wordpress.org/plugins/tags/optimization/)[semantic](https://wordpress.org/plugins/tags/semantic/)
   [seo](https://wordpress.org/plugins/tags/seo/)
 *  [Advanced View](https://wordpress.org/plugins/deep-semantic-html-checker/advanced/)

## Ratings

No reviews have been submitted yet.

[Your review](https://wordpress.org/support/plugin/deep-semantic-html-checker/reviews/#new-post)

[See all reviews](https://wordpress.org/support/plugin/deep-semantic-html-checker/reviews/)

## Contributors

 *   [ Mahdeep ](https://profiles.wordpress.org/mpds93/)

## Support

Got something to say? Need help?

 [View support forum](https://wordpress.org/support/plugin/deep-semantic-html-checker/)