Cache CSS output

[tobeycodes]

I think it would make logical sense to cache the entire css output, rather than calculating it on the fly for every page load.

We can flush the cache when a customizer value changes and set the cache for the first user.

What do you think?

[fjarrett]

I'm not overly concerned about this since browser cache should handle this pretty well already on subsequent visits, and it would make little difference on our platform since we serve a full page cache from Varnish to logged out users.

[tobeycodes]

That's fine. I was under the impression it's going on .org publicly.

[fjarrett]

It is going on .org, but just saying any platform with a full-page cache and/or object cache makes this a non-issue. Would be interesting to see what the gain would be otherwise. Just store the CSS blob in a theme mod and serve that to logged out users?

[tobeycodes]

Let's not worry about this for now. We can come back to it in the future if we need to