The critical css should cover everything above the fold to avoid that visible re...

youngtaff · 2025-05-06T19:20:50 1746559250

Where’s the fold in a world of 000’s of viewports?

lxe · 2025-05-06T18:21:12 1746555672

Then what does the "non-critical" css do?

bawolff · 2025-05-06T18:32:42 1746556362

The non-critical things?

I mean, i agree with you that this is insanely easy to screw up. However in most websites there is obviously css which doesn't cause reflows and is not needed for first paint. Actually separating that out correctly seems easy to mess up, but it obviously exists.