CSS File Causing Conflict

OK, first of all; what happens if you disable “also aggregate inline CSS”?

Sorry for the late response. If I disable the “also aggregate inline CSS?” option but keep the “Optimize CSS Code?” checkbox enabled, I still get the blank HTML. It’s only when I disable the “Optimize CSS Code?” that I get my site functional.

OK, so any difference if;
* you untick “minify excluded CSS/ JS”?
* you untick “aggregate CSS”?

frank

Untick “aggregate CSS” -> no change, blank screen
Untick “minify excluded CSS and JS files?” -> no change, blank screen

So I am pretty sure there is a file that we haven’t excluded that is causing a conflict. Looking at the inspector on our homepage, I see we have a lot of CSS coming from
wp-content/themes/storefront/style.css?ver=….

Maybe I should try excluding that whole directory?

before continuing; you don’t have any other plugin also doing CSS optimization (minification), do you?

if not (while “minify excluded CSS/ JS” is off) can you try;
* excluding wp-content/themes
* excluding wp-content/plugins instead

As of right now, I only have a few essential plugins enabled while testing this issue. None of them besides AO is doing any optimization.

And just to clarify, I want to place “wp-content/themes” in the “Exclude CSS from Autoptimize” field correct?

in the comma-separated CSS optimization exclusion field, yes.

No luck. With “minify excluded CSS/ JS” being off, I excluded both plugins and themes, and I still get the blank HTML. Any other ideas?

and what is “also aggregate inline CSS” set to?

It’s disabled. It’s also grayed out. Whenever I enable Aggregate CSS-files (which is also disabled as of testing), it stops being grayed out.

right-o, forgot about that ??

OK, so what happens if you exclude wp-content from CSS opt.?

Hmm, it is not working as well.

My Exclude CSS from Autoptimize reads exactly as:
“admin-bar.min.css, dashicons.min.css, wp-content”
I’ve tried it with “/wp-content”, and still no luck.

Every field besides “Optimize CSS Code?” is disabled.

And then I click “Save changes”. I’ve also tried “Save changes and Empty Cache” both produce the same result.

“Minify excluded JS and CSS” is disabled.

in that case we’re at a point where almost everything is excluded from CSS optimization … :-/ what if you also exclude wp-includes ?

Same deal. Am I not excluding them properly, or is AO not recognizing what I’m trying to exclude? Still, every time I disable Optimize CSS, everything works fine.

no, your exclusion list is perfect and AO cannot but exclude those … pretty much stumped. is there any info in your PHP errorlog?