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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.
<h3>Credits</h3>
@azaozz suggested the solution. See the issue discussion here: https://core.trac.wordpress.org/ticket/27931

Protect schema.org markup in HTML editor

Easy tool to stop HTML editor from removing schema.org/microdata tags from post or page content.

K's Art Office

Got a landing page from ChatGPT, Claude, or Gemini and don’t know where to put it? Kayzart is the place to paste it.
Drop AI-generated HTML, CSS, and JavaScript straight into WordPress, see it render live as you tweak it, and publish a clean, theme-independent landing page in minutes — no child theme, no page builder, no fighting your active theme’s header and footer.
Who this is for 
You let AI write the code, but you still want full control over the result. You’re past pure no-code, but you don’t want to set up a build pipeline just to ship one landing page. Kayzart sits exactly there.
What you can do 
* Paste a full AI-generated page (HTML + CSS + JS) and run it as-is 
* Edit everything live with a CodeMirror 6 editor and instant iframe preview 
* Click an element in the preview to jump to its code (real-time DOM selection) 
* Keep the page theme-independent in Standalone mode, or render inside your theme in Theme mode 
* Use plain CSS or TailwindCSS (auto-compiled) per page 
* Run modern JavaScript (Classic script or ES Module) 
* Restrict external embeds with an allowlist
Works great with 
ChatGPT, Claude, Gemini, v0, or any tool that hands you HTML/CSS/JS. Kayzart doesn’t generate the code — it’s where that code becomes a real, publishable WordPress page you can keep editing.
Development repository: https://github.com/ksartoffice/kayzart-live-code-editor
<h3>Credits</h3>
This plugin bundles third-party libraries: 
* CodeMirror – MIT License – https://github.com/codemirror 
* Emmet CodeMirror 6 Plugin – MIT License – https://github.com/emmetio/codemirror6-plugin

Kayzart Landing Pages — Paste & Edit AI-Generated HTML

Paste the landing page your AI wrote into WordPress, edit it live with HTML/CSS/JS, and publish — without fighting your theme.

Protect schema.org markup in HTML editor vs Kayzart Landing Pages — Paste & Edit AI-Generated HTML