What do 1C-Bitrix templates consist of and what about SEO?

Question

1C-Bitrix

Hello!
This is my first time encountering this type of CMS, so the question might seem silly.
What is the most common way to optimize additional features for a site?
Installing modules from the marketplace (plugins, in other words, or writing modules/plugins on your own and implementing them. Or something else? Do
1C-Bitrix templates have tools/plugins for working with SEO?

Answer 1

Yes, they do. Built-in SEO module.