This is in an effort to improve the mobile search experience. “Pages where content is not easily accessible to a user on the transition from the mobile search results may not rank as highly.”
We think this is a refreshing change as people had started to abuse popups and interstitials with spammy content and it lead to a bad browsing experience on mobile devices.
Which popups are bad?
Here are some examples of popups that Google will punish. They don’t like spammy popups or full-screen interstitials that make content less accessible.
Which popups are good?
Here are some valid cases of using popups or interstitials. For example, you can still ask people to accept cookie usage or verify their age. You can also show a bar or banner that doesn’t take a lot of space.
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