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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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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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
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1answer
805 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
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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
130 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 ...
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3answers
1k 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 ...
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1answer
366 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
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1answer
557 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( ...
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1answer
240 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" ) ) { ...
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1answer
89 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
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.
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1answer
2k 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 ...
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0answers
221 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 ...
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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 ...
0
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2answers
91 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
231 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 ...
0
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1answer
229 views

Pagination in WP query with transient API

I have integrated WordPress transient system with w3 total cache. Now I can`t to do pagination for this query. <?php $paged1 = (get_query_var('paged1')) ? ...
2
votes
1answer
169 views

How does the default recent posts widget work with cache?

I am trying to build a widget based on the default wordpress recent posts widget. In wp-includes/default-widget.php , I noticed in class WP_Widget_Recent_Posts in function widget(), the recent posts ...
11
votes
2answers
3k views

Best way to show Dynamic Content on a Cached Wordpress Site?

I really want to use one of the Cache plugins so that I can serve up more Static pages on my WordPress theme/site. This is obviously the best performance upgrade you can do for a WordPress ...
0
votes
1answer
205 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" ...
0
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1answer
71 views

Cache plugin for medium traffic news blog

I have a middle-low traffic blog. Server is lite speed based. And ping values 20-25 MS for my Country ( this blog not global,just for my Country ) I want to Install a light cache plugin... Which ...
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0answers
372 views

WP-Super-Cache - generate cache programmatically [closed]

I wonder if there is possibility to generate WP-Super-Cache programmatically after the cache is being purged ( after I have published a new post ). I thought of writing some kind of crawler that will ...
1
vote
2answers
549 views

PHP Code stuck in Cache [Memcached] [closed]

Been having a bit of a problem with my site regarding our caching method and my php code not refreshing or flushing. To start, my site is on a dedicated Nginx webserver. I used W3 Total Cache for ...
1
vote
1answer
128 views

Where should a plugin or widget cache its results?

Where should a plugin cache its re-usable results? I have read the code of several well-used Wordpress plugins, and it seems that the answer is not consistent. I have written several plugins myself, ...
0
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1answer
66 views

Client cant see the Updated dynamic content

I have came across an issue... whenever I upload new content to the site.. and i send the link to the client.. He can not view the changes instead what he see is the previously updated content. Looks ...
1
vote
1answer
335 views

Optimizing Jetpack for Wordpress [closed]

Yslow reports following issues with Jetpack: 1) Compress http://stats.wordpress.com/e-201219.js using gzip 2) Configure etags for http://stats.wordpress.com/g.gif?... Modified the format so that it ...
1
vote
1answer
141 views

Get the timout value of a saved transient?

Does anyone know if there is a Wordpress function to get the timeout value of a saved transient? I am using a transient with a 5 minute timeout to cache data from a web API call locally. Between ...
2
votes
3answers
2k views

Settings to get the most out of W3 Total Cache

I'm running a dedicated server which hosts one website - our WordPress install. Currently we're getting around 400,000 pageviews per month and that will likely rise quickly over the coming month - ...
1
vote
2answers
324 views

How many SQL queries WP Super Cache make to serve cached page?

WP Super Cache plugin generate page and save html of this page to static file and if needed this file is served instead of dynamically generate this page each time. Does WP Super Cache plugin make ...
3
votes
2answers
320 views

Is it possible to disable caching of an option when using w3 total cache?

a plugin i'm working on has a conflict with w3 total cache. To be more specific, in my code i have static function get_instance() { if( self::$_instance === NULL ) { // get the settings ...
0
votes
1answer
931 views

Scheduling doesn't work due to caching?

I'm using W3 Total Cache and Nginx with Varnish, and I'm very happy with the speed. However, I noticed that when I schedule a post, the post doesn't get automatically posted when I'm a visitor. When ...
2
votes
2answers
2k views

How wp_cache is supposed to work, and does it help with performance?

I was coding my recent comments widget, and using $wpdb->get_results and I wanted t use cache so it doesn't perform the query every time the page loads, so I used: $comments = ...
0
votes
1answer
55 views

WordPress cache feeds

I would like to implement a custom cache for all the feeds in my site. The rss requests are very intensive and I have a big db load. Do anyone know of a good action before running the rss query so I ...
0
votes
1answer
697 views

APC fragmention woes on Apache AWS EC2 Small instance with WordPress and W3TC [closed]

Asked this question at serverfault, and got confirmation that W3TC is most likely causing the issue, but several of my more W3TC/Wordpress specific issues weren't able to be answered. Reposting ...
0
votes
1answer
98 views

W3 Total Cache Minification: way to revert back? [closed]

W3 Total Cache Minification: after adding all my js files in the minification settings, what if something screws up? Is is possible to revert back to the original un-minified files? Thanks.
0
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1answer
2k views

How to Automatically import external images to Upload

Hi to all I would like to have a simple plugin, hook, anything that Automatically caches external images. Simple explanation: Actually I'm using this plugin: ...
0
votes
1answer
215 views

what is the cache directory for in my theme? (version control it?)

I was wondering what processes exactly use the cache directory inside my theme's directory. More specifically, I am wondering if I should add any of those files to my git repo.
4
votes
4answers
623 views

How can I improve site/page performance of WordPress websites?

To improve site/page performance, I added the following code to accept headers: <php flush(); ?> It works, but perhaps not as well as it could. Any advice? I also tried to leverage browser ...
1
vote
2answers
415 views

WordPress Caching - Transients API or “update_user_meta ” Cronjob?

I'm trying to set user meta based on queries. Basically, things like IF the query returns true, set this or if not, set this (or don't set it, if it is true). This works great but the problem is I ...
3
votes
2answers
233 views

Are there any server requirements for WordPress transients to work properly?

Background Info I sell WordPress themes where I include a Twitter widget. In the widget I use a WordPress transient that refreshes every 3 hours to cache the Tweets. I've got thousands of people ...
18
votes
7answers
22k views

How do you avoid caching during development?

Is there a simple way do prevent all caching when testing the appearance of changes to the site? I use WP Super Cache. I can delete its cache using the option provided, delete the cache for my ...
0
votes
2answers
1k 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.
1
vote
1answer
636 views

Headway body classes and W3TC page cache conflict [closed]

I'm currently working on a website using WordPress, Headway, Modernizr and W3 Total Cache. The problem I'm having is that W3TC is caching the body tag, which means that this isn't being updated ...
0
votes
1answer
3k views

Warning! PHP safe mode enabled!

I just installed WP Super Cache plugin and enabled all settings which were suggested by this plugin. After doing it I am seeing a warning. Warning! PHP safe mode enabled! What is this? What should I ...
1
vote
3answers
462 views

Transients vs CRON +Custom Fields: Caching Data Per Post

Wanted some opinions on a solution I'm trying to come up with: I have a fan/enthusiast plugin I'm working on for fans of TV shows. One of the custom post types attached to the plugin is a release ...
1
vote
5answers
5k views

Speed up Wordpress

I don't have the feeling that my blog is particularly slow, but that's because I haven't really started out yet. I'm very worried that it will get slow soon, especially because I will have blog posts ...
1
vote
1answer
180 views

Reasonable Size Limit to options entry

I have a set of ~4700 records that I need to have locally searchable for my plugin via an auto-complete (it's the Google Product Search categories). Would it be okay to store this data in the options ...
4
votes
2answers
3k views

Forcing reload of editor-style.css

Is there a method to force the refresh of editor-style.css, when I change manually the stylesheet for the TinyMCE editor? Modification doesn't show immediately but they will be cached in the admin ...
0
votes
1answer
230 views

w3 total cache - Object Caching 2165/2469 objects? [closed]

Site is: http://kremim.com WordPress 3.2.1 MS, buddypress,bbpress installed. wp_options have 333 records. But Object Caching 2165/2469 objects? Why 2000+ ? Debug: ...