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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72 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. http://www....
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2answers
334 views

Are get_bloginfo queries cached to start, or should they be cached?

I was just wondering if calling get_bloginfo too many times was going to harm performance in a theme and if the data should just be put into its own var?
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2k views

W3 Total Cache can't create files [closed]

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
20 views

Local PC cache stays filled with old WordPress Site data

I am developing a new WP site. My client complains that he see old site data like links that refer to old category names. On my PC and other I have no problems with this. On server side there is no ...
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2answers
56 views

Files cached as CSS or PHP?

I'm using a dynamic CSS file with PHP extention. wp_enqueue_style('css', get_template_directory_uri().'/inc/css.php'); The output: <link rel='stylesheet' id='dynamic-css' href='PATH/inc/css....
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1answer
410 views

How to make page/post password protected so you must reenter everytime you visit the page?

I added the following to the child-theme functions.php ///time out login so you must reenter it every time// add_action( 'wp', 'post_pw_sess_expire' ); function post_pw_sess_expire() { if ( ...
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2answers
228 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 "wp_register_script/...
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2answers
64 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 ...
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2answers
94 views

How effective are cacheing plugins for dynamic pages?

The majority of pages of one of my sites can only be accessed by registered users. While these pages do share some common, static content (headers, etc) most of the information on the page is ...
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2answers
241 views

Transient api Caches confused

This code works for page 1 <?php $paged1 = (get_query_var('paged')) ? get_query_var('paged') : 1; $recent1 = get_transient( 'recent1' ); if ...
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1answer
91 views

How can I permanently cache or “archive” a WP blog without needing future maintenance

I have a client who has an annual complete makeover of their website design and content, but they still want their old sites available to view (each with that year's respective design/CSS). Once ...
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1answer
11 views

Cloud flare, cache, minify question [closed]

If I am using Cloud Flare to serve my site, and use their Cache and minify options, is there sense in caching and minifying at the Wordpress level as well? Is this a waste of time or do I get a ...
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1answer
118 views

How to clear user's browser cache after publishing a new post?

I'm not using any cache plugins on my wordpress and I'm not using any caching system on my server but for some reasons , " Google Chrome " and " Firefox " keep caching my website and whenever I make a ...
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1answer
51 views

Take control of WordPress before functions.php

I'm developing theme and I want to make page cache of static pages in my WordPress theme (and basically I know how to implement it) The problem is that when making theme - the first time when I "get ...
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1answer
3k 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
48 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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1answer
1k views

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

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
82 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: http://example.com/news/1/...
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3answers
658 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 ...
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1answer
292 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 ...
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1answer
632 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 ...
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2answers
3k 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 ...
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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 ...
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1answer
2k 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.
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2answers
2k views

Why does my site flash white every time it changes page? [closed]

Any ideas? I've never had this problem before. Here is the site.
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1answer
910 views

Combile External JS files using W3 Total Cache [closed]

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
171 views

Cache DB queries result

On my new site i am displaying most of the images instead of text. I show images for recently written, recently viewed, mostly viewed posts etc. I found that in 40% of cases posts are same. so i need ...
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3answers
569 views

Spam injected in w3 total cache page cache [closed]

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
16 views

How to keep cache files after plugin update?

I've got a premium plugin and setting up a custom solution to serve updates. However I've got a question regarding how contents are managed. Wordpress just remove old plugin folder and install the ...
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1answer
29 views

opcache_reset on plug-in/theme/core update

wordpress it seem not reset opcache after plug-in/theme/core update. For solve this issue i have set in the php.ini opcache.validate_timestamps=1 all work correctly but validate_timestamps when it'...
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1answer
31 views

Transients are not expiring as expected in simple custom plugin

I have developed a simple shortcode plugin that essentially gets txt files from the url provided in the shortcode and parses a specific piece of data from them (date the file was last modified). I am ...
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1answer
52 views

How to save comment name email url fields?

First of all I must admit that I'm not entirely sure about whether or not this question is allowed here (as this is not code debugging question), but still asking in hope some wp users can show me ...
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1answer
142 views

How to clear cache without a plugin [closed]

How can I clear all my websites cache without using a plugin? Is this possible? If so then how can I do it? Thanks
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1answer
304 views

Cache plugins and ajax nonce verification

I created a plugin which use some ajax requests to load more posts on click. I noticed that when I use a cache plugin like W3 Total cache plugin then the wp_verify_nonce($nonce, $action) fail ...
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1answer
3k views

W3 Total Cache: Load CSS asynchronously for better PageSpeed score? [closed]

I'm using W3 Total Cache to minify about 15 CSS files, and also to minify 20 JS files and load those asynchronously in the footer. Running my site through PageSpeed gives me the following message: ...
0
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1answer
151 views

Make a page (url) not cacheable [closed]

How to setup a wordpress-page in wordpress as non-cacheable in wordpress? I have made up a form manually for a page(wordpress) and I want to make that page not cacheable by browsers. How can it be ...
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1answer
315 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
181 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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1answer
614 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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1answer
43 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
144 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
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1answer
326 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 ...
0
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1answer
168 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 ...
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2answers
862 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 ...
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1answer
623 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: http://designportugal.net/...
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1answer
229 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 ...
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1answer
111 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 ...
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1answer
421 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 ...
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1answer
97 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. ...
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1answer
216 views

Shortcode Strategy

I'm looking to insert data from another database into my posts, and thought of using shortcodes. An example post: [imdb id="123" name] was born [imdb id="123" birthday] in [imdb id="123" ...