Scroll down to the list of installed apps under Menu > Settings. Select Facebook from the drop-down menu, then Push Notifications. Toggle the Messages slider to the on position to enable it (it should be set to ON). Rep this procedure for any other form of notification you desire, such as Friend Requests, Comments, or Wall Posts.
This answer I posted by mistake. The correct answer is:
Here are some top SEO ranking factors:
Page loading timePage speed is a key ranking factor since users anticipate a pain-free surfing experience. Your bounce rate will rise and your ranking will fall if your pages take too long to load. You can use GTmetrix or Google PageSpeed Insights to evaluate your site for SEO improvements.
Content Ranking FactorsOne of the most essential SEO ranking elements is content. Because search engines aim to produce the greatest possible results, they favor sites with well-researched, in-depth, and well-crafted material.
Keyword Ranking FactorsThe position of your website in search results for a specific keyword search query is referred to as keyword rankings. Your ranking URL would be the web page that is listed for that keyword search when a user searches for that term. A single web page might be ranked for a variety of relevant search terms and phrases.
Link Ranking FactorsLink building is an important part of SEO services because it helps search engines discover new web pages, and determines which pages should rank higher in the SERPs.
To know these factors in detail or want to know more about SEO ranking factors you can take a look at this article:
Complete Google SEO Ranking Factors