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 #10,086 among WordPress.org plugins with 300+ active installations, is #70 of 622 in the Accessibility category, a 1/5 rating from 1 reviews, and was last updated Aug 16, 2026. Data from WordPress.org, refreshed twice daily — see methodology.
Next Milestone 400
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Security History
Source: WPVulnerabilityNo known vulnerabilities on record for HTML Validation. Checked 1 month ago.
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- Version
- 1.0.17
- Last Updated
- Aug 16, 2026
- Requires WP
- 4.6+
- Tested Up To
- 7.1
- PHP Version
- 5.5 or higher
- Author
- seshelby
Support & Rating
- Rating
- ★ ☆ ☆ ☆ ☆ 1
- Reviews
- 1
- Support Threads
- 0
- Resolved
- 0%
Keywords
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TL;DR
AI summary of the plugin's readmeThis plugin is for WordPress site owners who want their content checked for HTML validation errors. It scans website content in the background using WordPress cron and reports validation issues found via Validator.nu.
- Background HTML validation scanning
- WordPress cron-based scanning
- Scan progress bar
- Validator.nu-powered validation
- Validate HTML link on All Posts
- Pro extension auto-corrects issues
Frequently Asked Questions
Common questions about HTML Validation