Pictures in search on Yandex and https: where does the problem come from?

Question

Yandex

Images from the site disappeared from the image search on Yandex. The owner says that this happened because there is a redirect to https (yes, the site is accessible via https).

Indeed, this effect can be, and how to fix it?

For example, is it possible to make images available over http and not redirect to https?

Answer 1

searchengines.guru/showthread.php?t=920643