if you see code in the editor after the update to WordPress 5.0 install Classic Editor plugin
add booking system to a WordPress Website
10 Best WordPress Event Management Plugins (Calendars, Ticketing, RSVPs)
via 10 Best WordPress Event Management Plugins (Calendars, RSVPs)
The Best WordPress Event Management Plugins
We use Yoast SEO on all our sites, to quickly and easily optimize for search engines. It lets us control the meta attributes that Google reads and add vital SEO information to all pages.
WPML and Yoast SEO teams work together to ensure complete compatibility, letting you optimize your multilingual sites in a simple way.
If you are new to SEO, you might be interested in our introduction article on multilingual SEO.