The screen resolution of the computer screen which is used to view the web page switches back to its relative width.
Pages using Responsive Web Design which uses the same URL and the same HTML for the desktop and mobile versions, gets strong mobile friendly ranking from Google.
Responsive Web Design enables your web page appear nice on all kinds of devices (Phones, tablets and desktops).
Considering the fact that tablet and smartphone usage is increasing greatly, the necessity for mobile-friendly websites has come. If Search Engine Optimization is a factor, then here are three main reasons why responsive web design is the greatest choice for every mobile SEO strategy: