A cache is a component that transparently stores data so that future requests for that data can be served faster. The data that is stored within a cache might be values that have been computed earlier or duplicates of original values that are stored elsewhere.

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12 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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1answer
10 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
15 views

Wordpress caching issue

I've updated a page in wordpress and can see the correct result in "preview mode", but if I view the page outside of the admin interface the update does not show. I've search around and tried the ...
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1answer
17 views

Cache directory needed for plugin

I'm working on a new plugin, and i need to write a frew cache files somewhere. At first i wanted to create a cache folder inside my plugin with the following .gitignore file in it: # Ignore ...
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0answers
16 views

White screen of death WP multisite memcache

We have a WordPress multisite running 3 blogs and have had http://pecl.php.net/package/memcached installed by our hosts. We have tried the Memcache Object Cache plugin, we'll refer to it as MOC from ...
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1answer
32 views

Cache WordPress for offline use

Client of mine will be out in the sticks and needs to have an offline version of her WordPress site. Is there a way to cache the entire site so that it is available offline? I know I can use Xampp ...
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0answers
23 views

Something wrong with the way the site loads [migrated]

I own a small blog and recently random people have been telling me that my site has loading problems as in the site will load but only pictures will show and not the text. I've never encountered the ...
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0answers
47 views

Index page and random posts needs a forced refresh in order to show new content

I have this weird problem with both on desktop and mobile, which requires a manual refresh in order for the index-page to show new posts. It also appears as if the user is not logged in. Basically, I ...
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1answer
29 views

Can Wordpress Drop-ins be given their own directory?

Drop-in files, like advanced-cache.php or object-cache.php, sit in the root of the wp-content directory. Is it possible to give drop-ins in their own subdirectory of wp-content instead? Looking at ...
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19 views

Wordpress Varnish Age=0 or Not Caching (Cookies?)

I'm using Wordpress 3.8.1 and Varnish 3.0.5. I'm sure the Varnish is not caching, because of the VCL nightmare. And i also don't know where is the very standard / correct VCL for Wordpress. My ...
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0answers
32 views

Prevent caching of a WooCommerce “micro-cart” in WP Total Cache [on hold]

So I have a WordPress site running WP E-Commerce and WPTC. On the whole wptc works very well with WC and the shop sections of the site are dynamic as they should be out of the box. As an additional ...
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0answers
16 views

Do I have to clean up my transients? [duplicate]

I have a custom RSS feed script that uses transients to update 1 new post every 6 hours. if ( false === ( $social_trans_post_id = get_transient( '$social_trans_post_id' ) ) ) { $args ...
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1answer
16 views

How to enable Zend Optimiser+ with Batcache

I am using Batcache with APC Object Cache Backend so far. A lot of posts on internet claiming that using Zend Optimizer instead of APC would reduce CPU and memory usage. I could enable Zend ...
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1answer
20 views

How Can I Safely Remove WP-Super Cache without messing my site up?

So apparently some people cannot view my site because they said it only loads the sidebar. This only happens to some people and it only started happening after I installed the w3 super cache. I've ...
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1answer
35 views

Dynamic Stylesheet loads but doesn't finish

I am creating a website for an architect with large images being a main feature of the site. Given the potential size of the images I wanted to have a way to create responsive image sizing (and of ...
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1answer
19 views

Add unique id to Preview URL

Is there an easy way to append a unique ID to the preview URL when the preview button is clicked by a user? So this: http://example.com/news/1/title/?preview=true Becomes: ...
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0answers
26 views

How to total cache a specific PHP file?

How do I cache specific file in WordPress? I have a file in a theme in WordPress and W3 Total cache. The file has a .php extension and is loading dynamic CSS from database. It takes too much time to ...
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0answers
41 views

My website resets when accessing the index page

So my wordpress theme and website is on a stage server, since it's under production. And this issue happens once in a while. Basically, if I log in as a user, and when I enter the index page, the ...
2
votes
1answer
113 views

Batcache messages no longer in page source

I have placed advanced-cache.php and object-cache.php in wp-contents and updated wp-config.php with define('WP_CACHE', true);, but I do not see the messages in the page source telling me that the page ...
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0answers
39 views

Nginx + W3 Total Cache not working

I have a Ubuntu 12.10 x64 server running Nginx + MySQL, i've installed everything and my wordpress site is perfect. But, at the moment i installed W3 Total Cache, i got an error from Minify which ...
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0answers
9 views

Cannot change Object cache IP for Total Cache plugin

I am using Total Cache with Memcached. And right now it is setup to connect to 127.0.0.1. But I want to change the IP. But it's not letting me. When I change it and save it, it reverts to 127.0.0.1. ...
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2answers
101 views

Prevent installation of style.css cookies and file caching

I'm having a problem which I have never encountered before. When I update my style.css file within my child theme, the webpage does not use the new style. I have pinpointed that to a cookie within ...
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1answer
76 views

CSS changes not taking effect

I make changes to my style.css file but they do not take effect on the website. Style.css is located here: /wp-content/themes/academy/style.css I have made changes to it previously and the changes ...
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1answer
39 views

Wordpress theme Modifications not showing up on live server

I have been working on localhost with a theme that was already installed on live server. After i completed my mods, uploaded the files to themes folder in wp-content but to my disappointment, the same ...
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1answer
37 views

Under heavy cache conditions, updating the parent theme don't reflect changes with child theme enabled

I use W3 Total Cache, Cloudflare (and CloudFront for media files). I use a Child Theme to customize specifically for my site while maintaining the core theme with the parent theme. Whenever I update ...
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0answers
22 views

Major cache but only on wordpress site

I have disabled all caching plugins, and i have cleared my browser cache, removed my temp browser files - how come i still not seeing my changes going trough on my wordpress page? I wait 20min they ...
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0answers
21 views

Wordpress Cache not working with some ajax calls

I need to install a plugin for caching my wordpress/buddypress pages or at least add define('WP_CACHE', true); to wp-config.php but when I do this, the button "join this group" that uses Ajax calls ...
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1answer
107 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 ...
3
votes
1answer
69 views

W3 Total Cache plugin integration

I am working on a plugin (widget) that is using some transients that are updated from time to time. That said, when these transients are updated, I think I will need to flush the cache to display the ...
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0answers
38 views

.htaccess browser caching and user login [closed]

I have a site that involves user logins for certain content. I am leveraging browser caching in the .htaccess file. When a user logs in, they are redirected to a profile page. The problem I'm having ...
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2answers
677 views

NextGen Gallery template cache

I've implemented a custom Isotope template for the NextGen Gallery plugin, and I've made changes and bug fixes to the template, but when I refresh the page the template changes have not taken effect. ...
0
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1answer
64 views

New Comments not appearing until browser hard refresh

New comments on my wordpress site appears only after I hard refresh my browser and clear my browser cache. I have w3 total cache plugin installed. Is there any setting that I have to tweak to get rid ...
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2answers
23 views

Debug Performance Issues

I've had a WordPress blog I've hosted on Dream Host for several years now. Recently (the past year) my site is going down often. Via Dream Host I found that I'm using up my CPU limit and they are ...
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1answer
50 views

Apache extensions for WordPress' working without troubles

I have a new web server at the Hetzner EX60. With this new site I have many problems. First of all I need to say that I have problems with default theme and without any plugins. I tried to resolve ...
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0answers
55 views

403 forbidden issue in wordpress

i have corner advertisement plugin in my wordpress website, this plugin used to convert given image into swf file and display it in any one of corner with peel effect. this plugin only not working in ...
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0answers
41 views

How to cache WordPress posts without using plugins

In a normal PHP page, I can use the following code to save the current PHP page: ob_start(); // write content echo '<h1>Hello world to cache</h1>'; $content = ob_get_contents(); ...
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2answers
46 views

Session alternative for plugins (due to caching)

I'm building a plugin that picks a random post from the database and delivers the result dynamically to the user. For certain aspects I need to know the post ID that's been randomly selected. Session ...
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60 views

Nonces and Cache

It's clear that form submissions and AJAX requests, especially sensible ones, need "nonces" to avoid certain exploits. However, with heavy use of caching systems it becomes harder to generate them ...
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0answers
65 views

Does w3 total cache cache widgets?

I wish to know whether using w3 total cache also caches widgets on the sidebar? I have a recent activity widget on the sidebar that displays live activity on the site like user joining, sharing etc. ...
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1answer
71 views

How long is “as long as possible” in wp_cache_set()?

The documentation for wp_cache_set() says that if you pass in 0 for $expire (which is also the default), then it is cached for "as long as possible". How long is this? What determines it? Are we ...
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95 views

W3 Total Cache Minify Problem - Disabled Minify, but Problem Persists

I disabled Minify months ago because the problem would not get fixed, version after version of W3TC. About month ago, I re-enabled it and the problem persisted. So i disabled minify, but now I am ...
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0answers
47 views

Transients and WP Super Cache?

Is it worth using Transients when running WP Super Cache? We have a website that get's updated 20 times a day with new post, so I set a lot transients for queries that don't reflect those updates. My ...
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vote
0answers
75 views

Cache minified assets NGINX / fastcgi_cache [closed]

I tried using ngx_pagespeed but the cpu usage is too much for me. Now I need a minify tool that can do the best on my websites (all wordpress) and can work together with fastcgi_cache. Here is how it ...
0
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0answers
24 views

Image is accessed twice with and without timestamp?

I am using w3total cache(0.9.2.11) and each image is accessed twice with and without timestamp ie yellow-folder-450-253.jpg?timestamp=1380777548041 and yellow-folder-450-253.jpg How can I remove the ...
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votes
2answers
256 views

Chrome won't refresh

Have this really strange issue that just cropped up - I schedule my posts for 6am every day and for some reason when I go to the site using Chrome it won't show my latest posts. Self hosted with ...
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0answers
12 views

Image not appearing when I update in a sidebar widget

Is there a cache or something to empty in wordpress when I make updates? On this site: http://richardclunan.com/ in the sidebar (or down the bottom if you're on a small screen) -- there's a widget ...
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1answer
27 views

Browser cache for dynamic content (list of tags)

What does WP have to offer when it comes to generating dynamic content that rarely changes? I've created a jQuery backed metabox which implements auto complete and has the option of not allowing ...
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1answer
58 views

How to cache posts based on $_GET? Option name is too long? Options / transients

I have a search feature set up that is fairly expensive and I want to cache the results, based on the $_get string, like: ...
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1answer
102 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
433 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 ...