f course, if the page is not adapted for mobile devices, this does not mean that it will completely disappear from mobile delivery. Convenience of working with it on mobile is only one of many ranking factors. But it is important for our users to display such pages, with which it will be convenient for them to interact. Therefore, the search results for the same query on the computer and in the smartphone may vary, and mobile pages, other things being equal, will be ranked higher in the mobile search.
Recall that in order for the site to be recognized as mobile-friendly, it must meet several requirements. First, it should not have a horizontal scroll: the content of the page (text, pictures, etc.) should be optimized for the screen size of the smartphone. Then users do not have to increase the font and constantly scroll the page left and right to study it. Secondly, the site should not have elements that are not supported by many mobile browsers. Such elements include flash, Java-applets and Silverlight-plugins.