Add a custom HTML block in WordPress
You can add custom HTML to your WordPress website by using the custom HTML option within the Code block.
- Sign in to WordPress.
 - On the left-side menu, select Posts or Pages.
 - Hover over the post or page you want to edit and then select Edit.
 - At the upper-left corner, select 
 Toggle block inserter. - On the left-side menu, under Text, select Code. The code block will be added to the bottom of the post or page.
 - Select 
 Code and then select Custom HTML. - Replace Write HTML... with your HTML code snippet.
 - (Optional) Move the cursor and then select Preview or HTML to switch between previewing and editing the code.
 - (Optional) Select the block and then select and hold 
 Drag to move the block around the post or page. - Select Update.
 
After you see the Page updated notification at the lower-left corner, your custom HTML code is successfully added to your site.
More info
- You can find more specific details about code on your WordPress site in the support documentation.
 - Discover more about the block editor for WordPress in their support documentation.
 
