I created a banner with photoshop to announce a Christmas promotion ! I chose the dimension 1200*200 with a good resolution. On my computer, the quality is awesome, but When I upload it on my home page, the picture looks really bad. I inspected the code and the size of the image is the same : 1200*200. So I don’t understand why the quality is damaged.
Do you know what I have to do if I want to keep the same quality as I have on my computer ?
See the two different pictures to judge the difference.