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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1answer
84 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
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1answer
135 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
2k 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
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2answers
572 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 ...
0
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2answers
21k 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
24 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!
5
votes
3answers
682 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 ...
0
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3answers
333 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
60 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
371 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
280 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. ...
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2answers
224 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
318 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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2answers
193 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?
1
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1answer
146 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 ...
3
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 ...
2
votes
1answer
1k 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 ...
0
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2answers
67 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
44 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
260 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
2answers
558 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
969 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
142 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
83 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
99 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
243 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 ...
8
votes
2answers
403 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?
1
vote
1answer
470 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
3k 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
134 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) ...
0
votes
1answer
48 views

User cannot authenticate after signup when object cache enabled

I've just upgraded to WordPress 3.5.1 and the new object-cache.php version 2.0.2 that users some new switch to blog cache functionality. We had this issue with the previous version of object cache, ...
1
vote
1answer
407 views

How to optimize 'select found_rows()' query? Several 'high load average' alerts daily

I have 5,000 regular posts, 6,000 posts in one post type and 2,000 posts in another post type. Needless to say, that has made the wp_posts table quite large. Not to mention, I have custom taxonomies ...
0
votes
2answers
199 views

Is the wp_enqueue method efficient?

I had a quick question regarding how you are supposed to load in scripts with Wordpress. I am developing a theme and I know that the best way to do this is to use the ...
0
votes
1answer
468 views

A bunch of unrelated wordpress using same memcached don't store correctly their datas

Before begin I've to warn the reader: watch out the d! On a single web server (CentOS 6.3) using php-5.3.3 I've a bunch of unrelated wordpress sites (3.5), each one has its own DB (Mysql5.1) so the ...
4
votes
1answer
731 views

how to force caching of wordpress admin

Because of using slow connection these days, I would like to force WordPress's Admin section to be cached in browser (FF,IE) so that it it takes less time to load admin pages (because in fact, most of ...
0
votes
2answers
765 views

issues with object cache (memcached as backend) and wpmu when flush_all is run

Im running a rather large wpmu setup bloggersdelight.dk - from time to time, we need to reset the object cache when doing changes on the site. When we do this, things mess up. Option values from sites ...
0
votes
2answers
241 views

File permissions for wp-minify plugin

I am worried on installing Wp-Minify plugin. But it needs 777 permission for the cache directory located inside wp-uploads directory. Isn't it a security issue?
0
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1answer
66 views

Keeping Objects in Memory

I have built a WordPress plugin using classes. Each project class is created for a specific user. I want to do three things: Keep the project object in memory for that user between his or her ...
-1
votes
1answer
311 views

WP Super Cache versus W3 Total Cache [closed]

I recently moved to a dedicated server and I've been having some problems with W3 Total Cache, server crashing, eating up a lot of RAM, back end interface becoming slow.. Everything appeared to work ...
2
votes
2answers
961 views

Using Multisite with a CDN?

I'm running Wordpress Multisite hosted with Bluehost, and only have 5 low volume sites. My site load time has been awful recently, so I've used Lazy Load, DB optimization, Smush.it, and Quick Cache to ...
1
vote
1answer
741 views

Some custom taxonomy child terms not showing in admin. Caching problem?

I have a problem with some custom taxonomy terms. I am using "Types" plugin for creating custom post types and custom taxonomies. I successfully created my postype and hierarchical taxonomy and ...
0
votes
1answer
507 views

Cache issues with images not showing up

Images are there, but they don't always show up. Could this be a cache problem? Or Timbthumb? Here is an example: http://designportugal.net/servicos/design/ And another: ...
-1
votes
1answer
837 views

How to specify expiration of cacheable resources? [closed]

I'm trying to speed up a wordpress site -- this site: http://richardclunan.net I'm following the observations here: http://gtmetrix.com/reports/richardclunan.net/9ps7Zc0j The first item says: "The ...
1
vote
3answers
566 views

server load. $_SERVER['REMOTE_ADDR'] and $_SERVER['HTTP_HOST'] [closed]

while writing new code and testing it, I incorporate it into my site by testing for the remote IP address as follows; i.e., I'm the only one who will see the new code: in /functions.php: // to hide ...
1
vote
1answer
334 views

w3 total cache and sitemap.xml

I have been installing lately w3 total cache on my wordpress site and today webmaster tools has been mailing an error by sitemap.xml crawling. Sitemap ist HTML. Is anybody experienced this issue with ...
1
vote
1answer
326 views

Using a wildcard with delete_transient()

I am using the Transients API to hold the output for a gallery plugin's shortcode I created. Due to the number of images used and different layouts needed, the transient name looks lik the following: ...
0
votes
1answer
181 views

How do I serve fully cached full HTML on cloudfront

I am using cloud front but want it to serve not just images and CSS but full static HTML pages that are cached locally. I am using wp super cache ... I assume it is caching the full HTML for posts ...
0
votes
1answer
100 views

Repeated nav bar queries failing to be cached

Every time a page view occurs, wordpress is sending a complex non-indexed query below. The exact same query is sent over and over and it seems that it is being passed through some "caching" code. But ...
0
votes
2answers
2k views

wp-super-cache exclude file from caching

Is there any mean to exclude a *.php file to WP Super Cache? I've in my single.php page an include news.php, the file news.php contains ten links to my last articles. So I want to cache single.php ...
0
votes
1answer
4k views

posts_per_page doesnt work

Here is the my custom query ; <?php $Poz = new WP_Query(array( 'posts_per_page' => 3, 'orderby' => 'date', ...