The adaptive is not displayed in the mobile Yandex.Browser, what should I do?

Question

HTML

Hello, I have a problem.
I place an order for adaptability and when it's time to check, for some reason adaptability is not displayed in the mobile Yandex browser, everything is fine in other browsers and desktop Yandex is also fine.
I have no idea why this is happening, please help.
Here are the meta tags, I don’t know if they will help, I just don’t know what is needed.

Answer 1

If the problem is only in the mobile Y. Browser, check:
1. In the browser settings, the "Full version of the site" menu, it may be on, then you need to turn it off.
2. Try turning on/off "Turbo Mode"
3. Scale and text wrapping - check that the trigger on "Ignore site requests to disable scaling" is turned off.
4. Section "Ad blocking", check if it is turned off, it happens that this thing cuts important blocks.
Separately: reset the cache. In the Yandex.Browser settings, section "Privacy" -> "clear data"
Yandex.Browser has a USB debugging mode, it is similar to Google Chrome. Through it, you can look in the source code why the site is not adaptive on your device.
PS Your site looks adaptive in my J.Browser. android 6.