Importance: High

Type: User Experience

Having a website that is responsive, meaning it flawlessly works in mobile devices is critical, as it goes to the user’s experience.

Google has started that if a end user does a mobile search, your web page ranks in that search but the web page may not work in the end user’s device, Google will display a message in the search results stating that the device the end user is using may not work for that web page.