Protect schema.org markup in HTML editor
Easy tool to stop HTML editor from removing schema.org/microdata tags from post or page content.
Solid choice
Protect schema.org markup in HT… is a solid plugin choice in 2026, with a few things worth checking first. It runs on 800+ sites, is rated 5/5 and was last updated 2 months ago, and scores 73/100 on our health check.
- Small user base (800+ active installs)
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where Protect schema.org markup i… stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| html-editor | #4 |
| microdata | #7 |
| rich snippets | #16 |
| schema.org | #3 |
| tinyMCE | #31 |
Version adoption
Share of active sites per release.
Rating breakdown
★★★★★★★★★★ 5 from 5 reviews
About Protect schema.org markup in HTML editor
From the official readme · v0.6Description
WordPress HTML editor (tinyMCE) treats schema.org attributes like itemscope/itemtype/itemprop as invalid HTML attributes and strips them when you save the post or page content. This plugin alters this behavior and prevent the WordPress HTML editor from removing the schema.org/microdata markup.
Credits
@azaozz suggested the solution. See the issue discussion here: https://core.trac.wordpress.org/ticket/27931
Installation
Just install the plugin as usually and activate it. Once activated, it will keep your markup from being removed by the HTML editor. No setup required.
Changelog
0.6
- The new feature is the compatibility schema.org attributes for the wp_kses_post function. This is useful when page content from additional fields with HTML editor is filtered using wp_kses_post function by third-party plugins.
0.5
- Added support for the “content” attribute for the “time” tag
- Fixed error “Notice: Undefined index: extended_valid_elements”
0.4
Fixed src attribute being removed from img tag.
0.3
Fixed schema.org attributes being removed from article and p tags.
0.2
Fixed schema.org attributes being removed from img tags.
0.1
Initial version
For developers
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FAQ
Protect schema.org markup in HTML e…: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Sep 29, 2026
Is Protect schema.org markup in HT… free?
Yes. Protect schema.org markup in HT… is free to download and use from the official WordPress.org plugin directory.
Is Protect schema.org markup in HT… safe to use in 2026?
Protect schema.org markup in HT… is a solid plugin choice in 2026, with a few things worth checking first. It runs on 800+ sites, is rated 5/5 and was last updated 2 months ago, and scores 73/100 on our health check.
How many websites use Protect schema.org markup in HT…?
Protect schema.org markup in HT… is active on 800+ WordPress websites and has been downloaded 20,667 times since it launched in June 2016. It was downloaded 448 times in the last 30 days.
Does Protect schema.org markup in HT… work with WordPress 7.1?
Protect schema.org markup in HT… is officially tested up to WordPress 7.0.6, while the latest release is 7.1.2. It may still work, but try it on a staging site first.
When was Protect schema.org markup in HT… last updated?
The latest version, 0.6, was released on August 8, 2026 (2 months ago).
Who makes Protect schema.org markup in HT…?
Protect schema.org markup in HT… is developed and maintained by Ecwid by Lightspeed Ecommerce Shopping Cart.
What are the best alternatives to Protect schema.org markup in HT…?
The most popular alternatives to Protect schema.org markup in HT… are HTML Editor for Contact For… (1K+ installs), Contact Form 7 Syntax Highl… (1K+ installs) and Syntax Highlight (200+ installs).
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