The previous page is sending you to https://www.quora.com/Some-advertisement-randomly-appears-on-my-Android-mobile-phone-when-I-open-my-phone-or-any-app-I-tried-to-delete-the-history-of-Chrome-clear-the-cache-but-its-not-working-How-do-I-get-rid-of-this-advertisement?top_ans=252115440.

 If you do not want to visit that page, you can return to the previous page.