Problem with languages. What to do with SEO optimization?

Question

Search Engine Optimization

I deployed the site, added a catalog, started SEO optimization, ran it through the test and saw that the English version prolongs page loading by 2 seconds.

English is not needed, but indexing has already gone to smartsport.kz/ru
If the English language is removed, the site will load without a language insert and all indexing will break.
How to be?

Answer 1

If a

English is not needed

- clean up.
About

all indexing is broken

it's not entirely clear if you remove only /en.
In any case, do what you need to do, and the pages will be reindexed.