You can hide ads on individual sites in Yandex.Browser. If ads are bothering you when you're viewing a website, you can block them. That way the browser will hide all ads on the site until you elect to display them again.
To hide ads:
Ads will be hidden and information about the page that loaded will be sent to Yandex. This is so that we can keep track of complaints about advertising.
To view ads on a site again, tap Unblock ads in the menu.