Sign in

Plugin Detector Readme Generator Keyword Research Competitor Analysis

Features Plugins Themes Authors Pricing

Sign in

by seshelby 1 (1 reviews)

HTML Validation

The HTML Validation Plugin runs in the background, identifies and reports HTML validation errors on your website. Once activated, the HTML Validation …

HTML Validation ranks #10,085 among WordPress.org plugins with 300+ active installations, is #68 of 520 in the Accessibility category, a 1/5 rating from 1 reviews, and was last updated Jun 21, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Compatible with WP 7.0.2

v1.0.17 Current Version v1.0.17

Updated 1 month ago Last Update on 21 Jun, 2026

Refreshed 11 hours ago Last Refreshed on

#68 of 520 in Accessibility Top 25% by installs

View on WordPress.org

Rank

#10,085

— No change

Active Installs

300+

-25%

KW Avg Position

13

0.3 better

Downloads

9.5K

+6 today

Support Resolved

0%

— No change

Rating

20%

Review 1 out of 5

1 (1 reviews)

Next Milestone 400

Total Progress 38%

300+ 400+

1,960

Ranks to Climb

-

Growth Needed

8,000,000

Active Installs

Pro

Unlock Exact Install Count

See the precise estimated active installs for this plugin, calculated from real-time ranking data.

Exact install estimates within tiers
Track install growth over time
Milestone progress predictions

Need 62 more installs to reach 400+

Rank Changes

Current #10,085

Change

Best #

Upgrade to Pro

Unlock 30-day and 90-day rank history charts with a Pro subscription.

Active Installs Growth

Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

Downloads

Growth

Peak

Upgrade to Pro

Unlock 30-day, 90-day, and yearly download history charts with a Pro subscription.

Reviews & Ratings

1.0

1 reviews

Overall 20%

5

0 (0%)

4

0 (0%)

3

0 (0%)

2

0 (0%)

1

1 (100%)

Tracked Keywords

Showing 4 of 4

Keyword	Position	Change	Type	Updated
html validator	4	—	Tag	23 hours ago
markup validation	6	—	Tag	23 hours ago
html validation	9	—	Tag	23 hours ago
code validation	33	—	Tag	23 hours ago

Unlock Keyword Analytics

Track keyword rankings, search positions, and discover new ranking opportunities with a Pro subscription.

Full keyword position tracking
Historical ranking data
Competitor keyword analysis

Track This Plugin

Get detailed analytics, keyword tracking, and position alerts delivered to your inbox.

Start Tracking Free

Plugin Details

Version: 1.0.17
Last Updated: Jun 21, 2026
Requires WP: 4.6+
Tested Up To: 7.0.2
PHP Version: 5.5 or higher
Author: seshelby

Support & Rating

Rating: ★ ☆ ☆ ☆ ☆ 1
Reviews: 1
Support Threads: 0
Resolved: 0%

Keywords

accessibility code validation html validation html validator markup validation

Upgrade to Pro

Unlock keyword rankings, search positions, and detailed analytics with a Pro subscription.

Similar Plugins

Adminify – White Label, Admin Menu Editor, Login Customizer

Master Addons for Elementor – Elementor Addons, Widgets, Mega Menu Builder, Popup Builder, Widget Builder & Template Kits

404 to 301 – Redirect Manager, 404 Error Logs & Notifications

Embed Plus for YouTube Gallery, Livestream and Lazy Loading with Facades

Auto Image Attributes From Filename With Bulk Updater (Add Alt Text, Image Title For Image SEO)

Accessibility by UserWay

WP Accessibility

Accessibility Widget by OneTap – Easy One-Click Accessibility Toolbar

Alt Text AI – Automatically generate image alt text for SEO and accessibility

View all Accessibility plugins

Frequently Asked Questions

Common questions about HTML Validation

HTML Validation has 300+ active installations on the WordPress.org plugin directory.

HTML Validation holds a 1 out of 5 star rating based on 1 user reviews on WordPress.org.

HTML Validation is developed by seshelby and published on the official WordPress.org plugin repository.

HTML Validation requires WordPress 4.6 or higher, is tested up to WordPress 7.0.2 and needs PHP 5.5 or newer.

HTML Validation has been downloaded 9,481+ times from WordPress.org.

The latest version of HTML Validation is 1.0.17. It was last updated on June 21, 2026.

Yes. HTML Validation is a free WordPress plugin available to download and install from the WordPress.org plugin directory.

Accessibility plugins similar to HTML Validation

Top Accessibility plugins →

Accessible Dropdown Menus

200+ installs · ★ 4.3

200+ installs · ★ 1

200+ installs · ★ 4.7

Assist For WCAG

300+ installs · ★ 5

Automatic Alternative Text

100+ installs · ★ 4.1

Abbreviation Button for the Block Editor

300+ installs · ★ 4.7

More plugins by seshelby

WP ADA Compliance Check Basic

3K+ installs · ★ 4.5

Simple Accessible Spoilers

100+ installs · ★ 5

Sign In / Register

You need to sign in or register to use this feature.

Register Sign in