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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43 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 ...
1
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1answer
304 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 ...
1
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3answers
366 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
865 views

CSS changes not taking effect [closed]

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 ...
0
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1answer
115 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
87 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 ...
0
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0answers
23 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
33 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 ...
1
vote
2answers
453 views

W3 Total Cache doesn't detect memcached [closed]

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
88 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 ...
1
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0answers
111 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 ...
1
vote
2answers
2k views

NextGen Gallery template cache [closed]

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. ...
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2answers
35 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 ...
0
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1answer
59 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 ...
0
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2answers
88 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 ...
0
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0answers
213 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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votes
1answer
209 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 ...
1
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0answers
86 views

Transients and WP Super Cache? [closed]

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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0answers
107 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 ...
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votes
1answer
33 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
77 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: ...
0
votes
1answer
125 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 ...
0
votes
1answer
1k views

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

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 ...
6
votes
2answers
386 views

Multiple WordPress sites eat up alot of RAM

I have a VPS with 30 WordPress sites. I am running nginx & APC and notice it eats up my RAM up to 1GB and it increases each time I add another site. I notice APC is the one that's causing the ...
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votes
2answers
12k views

How to clear the cache?

I have made changes in my CSS, but it doesn't work. I know it's because of caching from admin panel. How to clear cache of my WP admin. Is there any method to clear the cache?
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0answers
20 views

Cache plugin Cache all Pages by cron

Does someone know if there is a cache plugin where you can choose if you can cache all pages at once? And if possible with a cron!
4
votes
3answers
414 views

Trouble with Transient API when W3TC is activated [closed]

I'm using W3 Total Cache 0.9.2.11 on Wordpress 3.5.2. I've got a problem with transient API and w3tc's object cache setting. When I activate 'object cache' with memcached (other settings are ...
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1answer
178 views

Update Custom post field by Ajax on cached site

My site cached by "wp-supper cache" plugin and "cloudflare.com" So my php function to count post views working incorrectly. I try to use ajax for it but I'm noob with JS code so I can not know where ...
0
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0answers
55 views

cache reset button and question about deleting cache

I need to put a "delete cache button" on front-end pages. I am looking for plugins for it. any experience or recommendation for it? Can you recommend me a plug in when i create a reset button? What ...
1
vote
1answer
263 views

Correct way to perform non-cacheable DB query

Consider the code function getNow() { global $wpdb; $now = $wpdb->get_var("SELECT NOW()"); $wpdb->flush(); return $now; } I am using the above method to avoid caching ...
1
vote
1answer
192 views

How to cache a shortcode functions output?

I would like to show on my startpage the total count of posts in a WordPress Multisite. Those are nearly 7000 in 500 Blogs. So I made a function which has to go through every blog to count the posts. ...
0
votes
2answers
158 views

How to purge all transient caches?

Is there an easy way to delete all transient caches? A plugin maybe? Or like in drupal "drush cc all"?
3
votes
3answers
260 views

Extremely slow Wordpress website with 6000 posts

I have a website with 6000 posts and it is extremely slow. Sometimes I get this error in my browser: Service Temporarily Unavailable The server is temporarily unable to service your request due to ...
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1answer
93 views

Can I force get_option to go back to the DB instead of cache?

Is there any way to guarantee that when I call get_option I will definitely get the value from the database and not from cache?
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1answer
129 views

Static HTML page caching for large website [closed]

I'm creating a WooCommerce store with 3000+ products (+filters). And I'm using WP super cache plugin because I want to serve pages as fast as possible. This arises problems/questions: When any post ...
2
votes
1answer
2k views

Exclude certain block from caching using Fragment Caching - doesn't work [closed]

I have a one form, and I'm inserting it on page footer from a function file. I need to display a random form to each visitors and thus have a function developed to support this. However, with caching ...
1
vote
1answer
718 views

Empty Super Cache programmatically (with ACF action) [closed]

I regularly use Advanced Custom Fields to create awesome backend interfaces for my clients (as I'm sure a lot of us do…). ACF includes an Options add-on that creates one or multiple global options ...
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2answers
63 views

WebHostingBuzz cache statement

WordPress Usage & Modules: We do not allow any WordPress caching modules since they continually cause server overload problems and are only allowed on VPS or dedicated hosting. ...
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1answer
41 views

Comment Moderation and CDN Caching

I work on a site that is entirely cached by a CDN. We are about to roll out comments and will be moderating every comment before it goes live. When someone posts a comment and the page is rendered ...
0
votes
1answer
212 views

Jetpack stats and caching strategy [closed]

I'm thinking about hosting a WordPress website with agressive caching/optimization strategies (like varnish, microcache, ngx_pagespeed, etc). But I still want Jetpack stats to work alright. What ...
2
votes
1answer
433 views

Should I enable FastCGI on WordPress?

I am looking at my server settings and these are as follows: WebDav : active FastCGI : inactive SSL support : active Perl as Apache module : CGI-Programm PHP module : ...
4
votes
1answer
752 views

AJAX vs Fragment Caching for W3 Total Cache [closed]

I'm running a WP site with WooCommerce and I want to do some caching. I'm going to exclude the pages such as the cart/checkout for obvious reasons however there are a couple of the things on the site ...
0
votes
1answer
115 views

Cache issue with WP_Query and custom field filtering

I have three separate WP_Queries on a page. Each of them return custom post type items that have a certain checkbox checked and then display one of those randomly. The checkbox has been added using ...
0
votes
1answer
66 views

Cleared wp-cache and file is still not updated [closed]

I did all the following: Deleted the cache in the WP Super Cache settings Added define('DISABLE_CACHE', true); in my wp-config.php Deleted my 'cache' folder under 'wp-content' However a theme php ...
1
vote
2answers
80 views

How can I revert to showing cached pages when no database connection is available? [closed]

I don't know much about how super cache works, but I see that at the very least, I can find most of the pages of my site in the wp-content/cache/supercache folder. Now, if WordPress cannot connect to ...
0
votes
1answer
205 views

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

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 ...
7
votes
2answers
294 views

Limit cache size from W3 Total Cache [closed]

Is it possible to define a limit for how much space W3 Total Cache is allowed to use?
0
votes
1answer
331 views

Caching-Plugins and Ajax-Page-Parts

I'd love to use »W3 Total Cache« for my Wordpress page. Caching the full page is really fasten up the site. But there is a lot of current community activity and most pages including some "latest ...
4
votes
1answer
2k views

Wordpress Browser Cache with W3-Total-Cache doesn't show new posts [closed]

I'm running the latest version of both Wordpress (3.5.1) and the always popular W3 Total Cache (0.9.2.8), but I'm having issues with the browser cache. Basically I can't figure out the settings to ...
1
vote
2answers
127 views

Cache previous versions of website?

I'm working on a new site for a charity. They publish a printed magazine & we would like the website to always reflect the current issue of the magazine. So far I have a front page (home page) ...