If I imagine that you are creating a website today, for sure I make it adaptable to devices Mobile. There are several ways to achieve this goal, or creating different templates for different size or adopt the responsive design.
A website responsive is dynamic and you have to carry out tests in a careful and aware, otherwise you may run into errors too coarse and banal.
Not all code editors HTML and CSS offer the opportunity to test the website in different sizes. That’s why I am writing this article, which includes the best tools to test web sites adaptable and responsive to Mobile.