There's lots of reports of a bug where images in grids are shown as blurry, because of the responsive images feature:

https://discourse.webflow.com/t/blurry-image-all-of-the-sudden/74325

https://discourse.webflow.com/t/blurry-pixelated-images-on-published-site/102466

https://discourse.webflow.com/t/large-images-appear-blurry-on-published-site/41713

Please fix this issue. It's great to have a responsive image feature, but only if it works without degrading the images.