What is the page access error: HTTP 200 OK?

Question

WordPress

In the new Yandex webmaster, I check the site for mobility - is it optimized for mobile devices. What gives me an error? error when accessing the page: HTTP 200 OK
The same in Google. And the site itself works, what's the problem?
https://yadi.sk/i/pRHpeZScqedD4

Answer 1

In general, the error code 200 means that everything is OK and the page has loaded. We see some glitches.