How can I fix a Blurry Collection header image Impulse them 7.4.1

Store Design
1

Hello,

I am using the 7.4.1 Impulse theme and my collection header photos are blurry. The photos are 150 DPI. Is there a fix for this?

example.jpg
example.jpg1920×1080 196 KB

2

You should increase the resolution of the banner image though not so much that it effects loading time. Try and use wepP where possible for all images