In order for a website to be user-friendly, it must be Responsive, ie it should fit perfectly on any device, such as PC, laptop, tablet and mobile screens.
Images and content should fit well so that the website can run smoothly on each device and be enjoyable by the user.
Users usually visit websites through their mobile phones.
This figure reaches 80% of total users, and this indicates that mobile Internet use is growing rapidly.
Users of mobile devices expect for web pages to load in less than 3 seconds.
However, 85% of websites load quite slowly on mobile (about 5 seconds or more) which frustrates users.
In GR-NET, the correct construction of websites implies a complete adaptation to every screen and device.