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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2
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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
987 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
votes
2answers
65 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. ...
1
vote
1answer
42 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
246 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
515 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
913 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
131 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
78 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
93 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
227 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
370 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
442 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
132 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
47 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
376 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
188 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
430 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
642 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
739 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
230 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
votes
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
306 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
905 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
714 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
481 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
756 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
544 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
318 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
305 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
166 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
3k views

posts_per_page doesnt work

Here is the my custom query ; <?php $Poz = new WP_Query(array( 'posts_per_page' => 3, 'orderby' => 'date', ...
0
votes
3answers
2k views

Disable WordPress cache programmatically on a request [closed]

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 ...
0
votes
2answers
62 views

Is it duplicated if I cache an object that uses data from postmeta?

I have an object that saves its data in postmeta. When there is a post_id, the object class will query data by using get_post_cutom(); After get data, it starts to do its jobs, the end result is a ...
2
votes
1answer
771 views

Programmatically insert hierarchical terms & set terms for post causes glitch? [duplicate]

I am inserting an array of terms into my custom taxonomy programmatically. Some terms have parents/children. After each term has been entered, I then insert an array of posts into my custom post type. ...
4
votes
1answer
1k views

Proper hook for W3TC defines, or dynamically disable w3 total cache [closed]

I have a site that uses a shopping cart plugin (Shopp), a plugin I wrote, and W3 Total Cache. In my plugin, I'd like to make sure that W3 Total Cache does not serve any cached pages if the user has ...
1
vote
1answer
129 views

Can WordPress Plugin Directory Cache Delay the Upload of Images?

I've updated my plugin and I can see the updated text on the plugin page but I don't see any of the screenshots or header image. Is it possible that the cache will move the image files over later? Or ...
0
votes
3answers
976 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 ...
0
votes
1answer
349 views

Where does WordPress default SimplePie save cache data?

Where does WordPress default SimplePie save cache data? I could only find relevant info about cache durations but not the location. SimplePie has a method called set_cache_location() but I cannot find ...
4
votes
1answer
517 views

How to use cache with simplepie

According to the docs, if you want to cache results for a fetch of RSS feeds with simplepie, you do this: add_filter( 'wp_feed_cache_transient_lifetime' , 'return_7200' ); $feed = fetch_feed( ...
5
votes
1answer
234 views

Should I use Transients with W3 Total Cache APC Caching? [closed]

Should I use Transients in my queries like this? <?php if ( ! $my_paged = absint( get_query_var( 'paged' ) ) ) $my_paged = 1; if ( ! $my_query = get_transient( "567recent_$my_paged" ) ) { ...
0
votes
1answer
85 views

Problem with caching, W3TC [closed]

Am using W3TC from a long time but from past few weeks am stuck, as I can't see my edits working. It was all fine in past but from a week my edits in style.css reflects back in like an hour after. ...
0
votes
1answer
1k views

Any idea why Google not caching my site? [closed]

My site www.books-for-children.com (developed in Wordpress) has been live for about two months and still has not been cached by Google, which seems highly unusual. Any ideas why? Thank you.
0
votes
1answer
1k views

Bluehost WebHost and performance problems with W3TC [closed]

I'm currently arguing with Bluehost over slow server times and they pointed to a report at gtmetrix.com in which I found inefficient CSS selectors. There were 55 very inefficient CSS selectors from ...
1
vote
0answers
220 views

After having installed APC Object Cache Backend transients stopped working

My understanding is that once you enable the persistent object cache, your transients are no longer stored in wp_options but in the cache. Once I installed Mark Jaquith's APC Object Cache Backend, ...
3
votes
1answer
2k views

Varnish + W3 Total Page Cache [closed]

I currently have varnish setup on my server. I'm also using the W3 Total Cache plugin to speed up the site through a CDN. Question: Is there any point in using varnish if the pages are being cached ...
1
vote
0answers
34 views

Caching RSS plugin data

I'm developing plugin and I need it's data to be cached, let's assume that it's large RSS feed grabber. Basically data of one RSS feed is about 100 lines of parsed HTML code (about 2KB). On one page ...