Adds custom field to the post & pages editor for custom JSON-ld schema markup also known as structured data.
As of April 2026, Websitescanner Custom Schema is a WordPress schema plugin with 600 active installations and a 5/5 rating from 1 reviews. It has been downloaded 9.7K+ times in total. Requires WordPress 3.0.1+ and PHP 5.2.4+. Available on WordPress.org since 2019. Last updated 4 years ago — may have compatibility concerns. Top alternative: Yoast SEO – Advanced SEO with real-time….
Adds custom field to the post & pages editor for custom JSON-ld schema markup also known as structured data. The plugin also validates if the JSON is formated correctly.
Add your own JSON-ld on every page, post and custom post without the <script> to show your own custom Schema markup.
Works well with the following plugins:
Usecases:
With the combination of the WordPress plugin it’s easy to overwrite the schema on a specific page.
If a plugin like Yoast SEO or other plugin or theme that generates schema you can disable the schema and add your own custom schema to the page.
| WordPress | 3.0.1+ requiredTested up to 5.8.13 |
| PHP | 5.2.4+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.