Each menu item can use own template style in Joomla, SEO is configured in menu items.
MightySites is not related to any GEO.

Displays item tags in backend lists and adds tags for Joomla! users.

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... "Advanced > Heading HTML Template" helps to use HTML instead of plain text for report column headings. ⋅ Feature: backend menu item types. ⋅ Feature: multiple filters in backend reports view. ⋅ Change: PHP 7.4 as min. ⋅ Feature: repeatable page ...

... multiple domains: https://alterbrains.com/joomla-extensions/administration/multisites-manager/case-studies/subsites-with-minor-differences-in-menu-items-and-or-modules Each landing page (subdomain homepage) will be a menu item of content article type with own modules, next this menu item is forced ...

... for a solution where I have one Joomla installation(files&database) which is providing content to 3 domains. 1. one main domain where 3 menu items are pointing to. The Company pages 2. one domain where 1 menu item pointing to. First product line 3. one domain where 1 menu item pointing to. ...

... on on Joomla 3.7 with all disabled options. ⋅ Fix: sometimes 404 errors are not triggered on URLs like  http://site.com/BAD-SEGMENT/menu-item-alias/parent-cat-alias/child-cat-alias/article-alias Read full article...

... setting. ⋅ Feature: new Overrides setting 'Force Default Template Style' allows to use custom default template style even if a menu item has own specific style assigned. Read full article...

... and Joomla are "standalone" integrated (i.e. not wrapped). 11) Set p8pbb integration to "wrapped", and add the p8pbb menu item pointing to the forum. 12) Fix whatever CSS bugs remain, install extensions, enjoy your fresh install, etc ;)

⋅ Fix: menu item template style is ignored if site default template style override is configured. ⋅ Fix: Joomla 3.7 issue - backend menu is not loaded from 3rd-source if Extensions are loaded from this source. Such sites ...