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Plugin Author Frank Goossens
(@futtta)

9 years, 4 months ago
A recurring topic on this support forum is the cache size getting huge. The reason for this in 99.999% of cases is page- or even request-specific inline JavaScript which upon optimization by AO results in a new autoptimize_xyz.js file for each page (or request).

The FAQ details multiple solutions, but the easiest one by far is enforcing AO not to aggregate the inline JS. You can do this by adding
e.g. this code to your (child) theme’s functions.php:
```
add_filter('autoptimize_js_include_inline','support_ao_js_include_inline',10,1);
function support_ao_js_include_inline() {
        return false;
}
```
The next version of AO (probably due for Q4 2015) will have a simple option to enable/ disable inline JS and/or CSS aggregation (replacing “look only in head”).

Hope this helps,
frank

Viewing 15 replies - 1 through 15 (of 22 total)

1 2 →

Plugin Author Frank Goossens
(@futtta)

9 years, 2 months ago

small follow-up remark; if the inline JS has dependancies on the optimized JS, you might have to “force JS in head”.

frank

millllan
(@millllan)

9 years, 2 months ago

What about css? I have slow page load times for logged in users with CSS optimization ON … everything is fine if its disabled. “Anonymous” visitors get evertyhing form page cache, so it loads fine for them…

millllan
(@millllan)

9 years, 2 months ago

“look only in head” option fixed it for me … my bad
Plugin Author Frank Goossens
(@futtta)

9 years, 2 months ago
alternatively you can use this code, which is similar to the JS-one above (in functions.php or using code snippets).
```
add_filter('autoptimize_css_include_inline','support_ao_css_include_inline',10,1);
function support_ao_css_include_inline() {
        return false;
	}
```
frank
tsetsaf
(@tsetsaf)

9 years, 2 months ago

Would a symptom of the too large cache be a loss of css and js on the site? How big is too big?

Plugin Author Frank Goossens
(@futtta)

9 years, 2 months ago

Would a symptom of the too large cache be a loss of css and js on the site?

not especially no.

How big is too big?

the next version of AO (you can download a test-version here) will warn if cache size goes over half a gigabyte.

frank

murrayac
(@jumpmuz)

9 years, 1 month ago

Sorry newby question, what is AO?

Plugin Author Frank Goossens
(@futtta)

9 years, 1 month ago

AutOptimize ??

murrayac
(@jumpmuz)

9 years, 1 month ago

Thanks was in the realm of Artificial Intelligence.

darkpollo
(@darkpollo)

9 years, 1 month ago

I have 12Gb just for this…
All my sites where growing and I didn′t knew the reason. So yes, this is a must fix.
Edited: I see both codes are the same.

Thanks

Plugin Author Frank Goossens
(@futtta)

9 years, 1 month ago

nah, the first is for JS and the second for CSS. most of the time the problem will be with JS (check the amount of files in wp-content/cache/autoptimize/js/).

to be clear, it is actually better (but harder) to follow the advice from the FAQ (i.e. identify the inline JS that is causing the cache bust and exclude that from optimization).

hope this helps,
frank

darkpollo
(@darkpollo)

9 years, 1 month ago

I am afraid I clear the cache before I read this forum post (12gb was too much to wait) so I cannot be sure, but I will check in a couple of days and see If I can find the inline JS causing the cache following this blog post.

https://blog.futtta.be/2014/03/19/how-to-keep-autoptimizes-cache-size-under-control-and-improve-visitor-experience/

Thanks!

Seph
(@seph)

9 years, 1 month ago

Hey there,

where can I see the size of the cache and if I have to clean it?

Plugin Author Frank Goossens
(@futtta)

9 years, 1 month ago

the current version of AO (1.9.4) shows the number of files on the settings page (make sure advanced settings are shown). the upcoming version (of which you can download the current state from GitHub) also shows the approximate filesize. you can (off course) also look at the filesystem (using ftp, cpanel or another tool of your choice) and have a look at wp-content/cache/autoptimize/js and wp-content/cache/autoptimize/css.

hope this helps,
frank

applejack1923
(@applejack1923)

9 years ago

Can a function to clear the cache to a user set time frame not be added in the same way that Hyper Cache does ?