Applying metatag to single page

You can use the WordPress conditional tags to accomplish this. Both is_page() and is_singular() should work, you just need to pass a slug, or in your case, an ID. Then we can use the wp_head hook to conditional add in the meta tag. You can add the following function and hook into your functions.php file. … Read more

Tidy HTML formatting in Gutenberg HTML blocks

Unfortunately, I don’t believe there’s anything available that would allow this unless you do some extensive customization to the block editor. TAB is used very often by users who have limited dexterity (I use it myself) so entering TAB on the keyboard will be used to move to the next element on the page.