Improve site performance and user experience via caching: browser, page, object, database, minify and content delivery network support.

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1answer
148 views

Speed up MU Wordpress on Apache VPS?

I have a wordpress multisite 3.6 with 1 main site and 5 subdomains(with mapping domains) I am tried to make it faster, i install the W3 Total Cache plugin i add on my apache the APC 3.1.13 yum ...
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2answers
203 views

Intercepting Before W3 Total Cache

I am writing a plugin where I want to read user agent and send custom headers back on certain agents. Unfortunately however several people have the W3 Total Cache plugin and what it's doing is that, ...
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2answers
330 views

Intermittently missing pages and posts in WordPress

Every now and then some of my Wordpress pages (and posts) seems to be missing, I get the 404 page (although the HTTP response code is 200). A couple of hours later the page is back, with no changes in ...
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1answer
818 views

W3 Total cache “empty all caches” and no stylesheets render

I have the w3 Total cache plugin installed and so far its been great as I'm sure you will all agree, so thanks to the author for an amazing plugin. However, I used the "empty all caches" button on the ...
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2answers
272 views

Remove W3 Total Cache minified files on custom page outside of WordPress

I have created a page outside my WP network install (following this info from css-tricks) The output of which is used for a Facebook business page tab as a Facebook app. It is working just fine, ...
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2answers
2k views

How to exclude a specific template from being cached by a CDN

I’m using a specific template on my self-hosted WordPress blog to display a page with randomized posts. Recently, I configured W3 Total Cache to make use of a content delivery network (CDN). When ...
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1answer
819 views

How to disable Vary cache header on W3Total Cache plugin

I've hired incapsula.com performance services for my wordpress blog, and one of their techs is telling me this about the performance of my website: On important note, yoursite.org returns the Vary ...
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1answer
515 views

Headway body classes and W3TC page cache conflict

I'm currently working on a website using WordPress, Headway, Modernizr and W3 Total Cache. The problem I'm having is that W3TC is caching the body tag, which means that this isn't being updated ...
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1answer
434 views

Share media among different domains

I have multiple Wordpress instances that live on separate domains (not a multisite installation). Since they provide the same content in different languages I'd like to share the images among these ...
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1answer
252 views

Has anyone used the wordpress plugin w3-total-cache on a Dreamhost VPS successfully?

I was encouraged by Dreamhost to go with FCGI, XCache and w3 total cache. But I'm not sure what the optimal settings are, especially re: the Object and Database cache. Any suggestions? Also, I can't ...
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1answer
823 views

Getting WPTouch and W3 Total Cache to Work Together

I cannot get WPTouch to work with W3 Total Cache. WPTouch admits that there is a known issue with the two, and they send you to a tutorial. The tutorial is out of date, however, and does not work for ...
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1answer
386 views

Transient / object cache maximum key length [duplicate]

Possible Duplicate: Long option names fail silently? The WordPress Transients API makes it easy to save expensive values and look them up later. If you install an object backend (such as ...
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106 views

Problem with W3 Total Cache Interfering with Cron Jobs

I'm having an issue on a site where I schedule posts and they all miss their schedule every time and end up having to be manually published later in the day. I have WP cron disabled ...
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29 views

Strange caching behaviour

I changed options in my theme (style settings, to keep it simple just say switched color from blue to red) and it seems nothing happened. After some trial and error I figured out that when I am logged ...
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0answers
80 views

W3 Total cache not minify after modifying minify settings

I use W3 total cache manual minify. Because it works perfectly on my blog. However, today after I added another 3 JS and two CSS files to W3TC minify URL, this plugin stopped minify my HTML, JS and ...
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0answers
93 views

How to add IE6 user agent to w3 total cache

I want to display other simple theme for IE6 visitor by adding Internet Explorer 6 to User Agent Groups in W3 Total Cache plugin. When I add MS IE6 to a specific group I got: 550 internal server ...
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0answers
384 views

How does W3TC Auto Minify deals file file name

Hi there, I am having problems with W3TC Minification of JS and CSS on automatic mode. Since I have alot of wordpress websites, auto mode would be the best way to go for me. It would take alot of ...
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0answers
44 views

Permanently modifying the W3 Total Cache's nginx.conf file

I want to have an add_header directive inside a location block of the nginx.conf (inside the document root) generated by W3 Total Cache like this # BEGIN W3TC Page Cache cache location ~ ...
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0answers
230 views

nginx varnish w3 total cache issues

I converted a few sites from Apache to nginx and it was running well for a while. I recently updated the nginx configuration regarding the new changes to W3 Total Cache rules. I also tried to clean ...
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1answer
312 views

W3 Total Cache CSS & JS files GZip issues

Having checked my site with google page speed and gzipwtf.com I have noticed that my css and js files are not getting compressed (although html is). Have tried unchecking " Prevent caching of objects ...
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1answer
355 views

How does W3 Total Cache Load Images In Stylesheet via CDN?

W3 Total Cache uses all the PHP / WordPress API trickery at hand to make sure all static content (CSS, JS, Images, etc.) is served from the CDN URL. But how does it make sure that even the images ...
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3answers
2k views

w3 Total Cache not Caching - Requested URI is rejected [closed]

For some reason Total Cache does seem to be caching my pages. Each time I got to a page, when I view source, the Total Cache comment shows that it regenerated the page for this request. What worse, ...
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1answer
646 views

Getting soft 404 errors (200 status) when caching plugins are enabled

I have a blog running the latest stable version of WordPress on a dedicated virtual server with the following situation. (Replace [caching plugin] with W3 Total Cache, Hyper Cache, or Quick Cache, as ...
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2answers
211 views

W3 Total Cache doesn't detect memcached

I have a wordpress installation (latest version) running on a debian server with memcached and php5-memcached installed (memcache appears on phpinfo()), but W3 Total Cache doesn't seem to recognize ...
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3answers
786 views

Is the W3 Total Cache plugin a good choice for WordPress MultiSite? [closed]

I heard that many people had issues with W3 Total Cache on a WordPress MultiSite install. And then I see this on the plugin page: Compatible up to: 3.2.1 Last Updated: 2011-8-26 Seeing that ...
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2answers
96 views

Theme compression/ minifying or W3 Total Cache - which should I use?

I run a WP3.x Multisite setup. One of the themes I use on a site has options for minifying, using Gzip compression and using data URIs for images (not sure what the latter function is or does). In the ...
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1answer
3k views

Can I ignore caching of a plugin in W3 Total Cache?

I currently have a plugin that lets me display a random post in a widget. The problem is that if I activate w3 total cache it will only display that post as long as the cache hasn't been cleared. Is ...
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1answer
2k views

W3 Total Cache can't create files

I want to use W3 Total Cache plugin. Installed plugin succesfully but i'm trying to enable Page Caching and i'm getting this error : Page caching is not available: advanced-cache.php is not ...
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2answers
1k views

PHP 5.5, w3 Total Cache, and opcache

PHP5.5 has ZendOptimizer opcache built in and it seems to work pretty well and the benchmarks seem to give it a slight edge over APC in performance. Great. So APC seems to be on its way out. My ...
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2answers
2k views

W3Total Cache problem with Nginx

Hi I installed w3 total cache on my nginx powered site, I'm having errors however. For example when I enable page caching disk:enhanced I get: It appears Page Cache URL rewriting is not working. If ...
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1answer
2k views

hide wp-content from urls

Here is what I am thinking of trying to hide wp-content from the urls of files included in page source. defining the following in wp-settings.php define ...
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1answer
52 views

force_ssl_admin() causing issues with preview links

I have recently enabled my WordPress website to use an SSL Cert for administration/login pages. I am using the plugin W3 Total Cache with my Content Delivery network. I have noticed that when I am ...
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1answer
157 views

How to disable W3 Total Cache “Performance” menu under multisite?

I came across the following article W3 Total Cache - How to disable “Performance” menu under multisite? However on testing it with the latest version of WordPress 3.7 and W3 Total Cache v0.9.3 it ...
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1answer
92 views

customize wordpress database error page

UPDATE Initially I suspected this was related to the Wordpress framework I'm using (Genesis) or to my child theme functionality, but turns out that's not the case as I was able to get this to work in ...
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1answer
141 views

How to hide W3 Total Cache from non admins?

I would like to be able to hide W3 Total Cache from non admins. How can I go about doing so? The following code I tried implementing in my functions.php file does not work: function hide_w3tc() { ...
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1answer
178 views

Where to put W3 Total Cache rewrite rules in .htaccess?

Should I put them in the following order or the order doesn't matter at all? # BEGIN W3TC Browser Cache # END W3TC Browser Cache # BEGIN W3TC Page Cache core # END W3TC Page Cache core # WordPress ...
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3answers
815 views

Disable WordPress cache programmatically on a request

How do I turn off the WP Super Cache & W3 Total Cache functionality programmatically? For instance, I neither want to make it use the cache on some requests nor cache the output of the request, do ...
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1answer
574 views

Combile External JS files using W3 Total Cache

Is there any option or is it recommended to combine external JS files using W3 Total Cache plugin for wordpress. When I say exxternal JS files, I mean that I want to combine .JS files that on other ...
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1answer
181 views

“W3 Total Cache” with “What Would Seth Godin Do” (and widgets?!)?

I would like to use "What Would Seth Godin Do" with "W3 total cache" - can that be done? Also, is there a way to use this inside widgets? (I was thinking of maybe using some sort of php widget for it ...
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3answers
399 views

Spam injected in w3 total cache page cache

I'm trying to fix a site which has been injected with external spam. After inspection I found out that the external content (so far just html advertising different kinds of drugs, no scripts) was in ...
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1answer
50 views

W3 total cache - white screen of death when trying to show certain taxonomies

I'm using plugin W3 Total cache and it worked excellent -until I added a custom "detail page" of a custom taxonomy (with a file called taxonomy-categorycourses.php) where the categorycourses is the ...
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1answer
396 views

Wordpress with php 5.5 and zend opcache

I currently updated/upgraded my php to 5.5.11 and want to use the opcache that comes with it. I enabled the cache and added a few settings to php.ini zend_extension=/usr/lib/php5/20131313/opcache.so ...
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1answer
239 views

How to handle is_user_logged_in() with w3 total cache

I have a site that allows user registration and login but not via the standard wp-login.php etc - it's all done within the theme and a bit of s2member as well. I've been encountering problems where, ...
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1answer
117 views

How we stop caching of particular div when i am using w3 total cache plugin?

I m using w3 total cache plugin with wooCommerce, it works fine but I have a single issue, which is, it caches the whole page but I do not want to cache the div that is showing amount of the cart. ...
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1answer
187 views

Programmatically disable W3 Total Cache in development environment

I've got two environments in my project: dev & production. I just want to be able to deactivate or disable W3TC in my dev environment but the plugin has no native support for this . I also can't ...
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1answer
117 views

Slow WP Site, theme.php not caching? Up to 25 second load time! [closed]

I have two WP subdirectories off of a Joomla domain. The Joomla load time is ok. However, the WPs are so so sooooo slow. The back end is slow too. I have w3 cache installed on both and I've copied the ...
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1answer
806 views

How to force content refresh of a page that has been loaded previously by the user?

How can any page on the site be forced to refresh or load content by ignoring anything in cache, everytime a visitor visits the page for the second time? The website uses twentyeleven & w3tc ...
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3answers
729 views

Where is New Relic API key?

I've installed Total Cache plugin in my wordpress application and it suggested me to create a New Relic account. I've done it, but now the plugin ask me for an API key, and no idea of where to find ...
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1answer
66 views

How can I output HTML in a template without it being passed through a caching filter?

I'm in a bit of a bind. I'm using W3TC, with the "Prevent caching of objects after settings change" option enabled, so that pagespeed service can be refreshed when needed. Unfortunately, this adds ...
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1answer
107 views

Enable Minify in W3Total Cache using NGINX

I am having an issue with enabling minify with the W3TC plugin. I am using a LEMP stack and cloudfront as a CDN, and all of these features, except for the minify work fine. In order to enable fancy ...