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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215 views

How to automatically convert “%” and “+” in image urls on upload

I mass import products via csv and use this plugin http://wordpress.org/extend/plugins/cache-images/ to download the images to my server. Problem is some of the image urls have % and + characters in ...
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1answer
434 views

Minifing js files with w3 total cache and expiring the combined file

I'd like to clarify several details about how w3 total cache works. I'm using w3 total cache to combine multiple js files into one. I'm also setting expires headers from the browser tab to twenty ...
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2answers
221 views

Error activating certain plugins

When I try to activate All-In-One SEO Pack or ANY (I've tried all by now!) caching plugin, the page goes blank - i.e the content of the page empty, except the WordPress bar on the top and the toolbar ...
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1answer
1k views

How can I add Expire headers to images?

I'm trying to speed up my site a bit. How can I add Expire headers to images I upload? Must this be done with Apache configuration, or is there a setting or plugin to do the job?
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2answers
223 views

What archive plugin works with W3 total cache?

All plugins I've tried makes the page go blank. I tried so far: Smart Archives Reloaded Clean Archives Reloaded Better Extended Live Archives Thanks. Tal
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1answer
670 views

W3 Total Cache plugin chronic message

I am currently using Amazons Cloud Front service with the super awesome and easy to use W3 Total Cache wordpress plugin. All appears to be working correctly but I do get a chronic error in the admin ...
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0answers
16 views

White screen of death WP multisite memcache

We have a WordPress multisite running 3 blogs and have had http://pecl.php.net/package/memcached installed by our hosts. We have tried the Memcache Object Cache plugin, we'll refer to it as MOC from ...
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17 views

Wordpress Varnish Age=0 or Not Caching (Cookies?)

I'm using Wordpress 3.8.1 and Varnish 3.0.5. I'm sure the Varnish is not caching, because of the VCL nightmare. And i also don't know where is the very standard / correct VCL for Wordpress. My ...
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28 views

Prevent caching of a WooCommerce “micro-cart” in WP Total Cache

So I have a WordPress site running WP E-Commerce and WPTC. On the whole wptc works very well with WC and the shop sections of the site are dynamic as they should be out of the box. As an additional ...
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1answer
16 views

How to enable Zend Optimiser+ with Batcache

I am using Batcache with APC Object Cache Backend so far. A lot of posts on internet claiming that using Zend Optimizer instead of APC would reduce CPU and memory usage. I could enable Zend ...
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1answer
20 views

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

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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26 views

How to total cache a specific PHP file?

How do I cache specific file in WordPress? I have a file in a theme in WordPress and W3 Total cache. The file has a .php extension and is loading dynamic CSS from database. It takes too much time to ...
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41 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 ...
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39 views

Nginx + W3 Total Cache not working

I have a Ubuntu 12.10 x64 server running Nginx + MySQL, i've installed everything and my wordpress site is perfect. But, at the moment i installed W3 Total Cache, i got an error from Minify which ...
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9 views

Cannot change Object cache IP for Total Cache plugin

I am using Total Cache with Memcached. And right now it is setup to connect to 127.0.0.1. But I want to change the IP. But it's not letting me. When I change it and save it, it reverts to 127.0.0.1. ...
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2answers
96 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
37 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 ...
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22 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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21 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 ...
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1answer
62 views

New Comments not appearing until browser hard refresh

New comments on my wordpress site appears only after I hard refresh my browser and clear my browser cache. I have w3 total cache plugin installed. Is there any setting that I have to tweak to get rid ...
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2answers
23 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 ...
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1answer
49 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 ...
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55 views

403 forbidden issue in wordpress

i have corner advertisement plugin in my wordpress website, this plugin used to convert given image into swf file and display it in any one of corner with peel effect. this plugin only not working in ...
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0answers
41 views

How to cache WordPress posts without using plugins

In a normal PHP page, I can use the following code to save the current PHP page: ob_start(); // write content echo '<h1>Hello world to cache</h1>'; $content = ob_get_contents(); ...
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2answers
46 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 ...
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60 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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65 views

Does w3 total cache cache widgets?

I wish to know whether using w3 total cache also caches widgets on the sidebar? I have a recent activity widget on the sidebar that displays live activity on the site like user joining, sharing etc. ...
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95 views

W3 Total Cache Minify Problem - Disabled Minify, but Problem Persists

I disabled Minify months ago because the problem would not get fixed, version after version of W3TC. About month ago, I re-enabled it and the problem persisted. So i disabled minify, but now I am ...
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23 views

Image is accessed twice with and without timestamp?

I am using w3total cache(0.9.2.11) and each image is accessed twice with and without timestamp ie yellow-folder-450-253.jpg?timestamp=1380777548041 and yellow-folder-450-253.jpg How can I remove the ...
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2answers
254 views

Chrome won't refresh

Have this really strange issue that just cropped up - I schedule my posts for 6am every day and for some reason when I go to the site using Chrome it won't show my latest posts. Self hosted with ...
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0answers
12 views

Image not appearing when I update in a sidebar widget

Is there a cache or something to empty in wordpress when I make updates? On this site: http://richardclunan.com/ in the sidebar (or down the bottom if you're on a small screen) -- there's a widget ...
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0answers
79 views

Comment Submission Timeout - Varnish / Cloudflare

Curious to see if anyone has encountered this before - when a comment is submitted by a non-admin user on a WordPress 3.6 site (standard comments setup, no plugins), the comment is submitted (hits the ...
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45 views

What's causing 'headers already sent' in minified javascript file with WP Total Cache 3

I'm adding WP Total Cache to my site but whenever I enable minification I get the following message in the minified javasctipt file: <br /> <b>Warning</b>: Cannot modify header ...
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125 views

php dynamic function when using wp super cache

I'd like to start using wp-super-cache on my website to improve page load times, but I would also like to keep at least one of my dynamic functions working. Basically when ever a user visits a single ...
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0answers
52 views

Best practice regarding reducing queries, optimize page load-time and reuse common data

I’m currently working on a presentation site for a company. The site itself is not very complex in its code but they have a high demand for being able to customize a lot of things themselves without ...
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18 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!
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65 views

Cache all products Woocommerce

I have installed a cache program to cache my pages. Ofcource the pages has to visited before it can be cached. Is it possible to run all the product pages at night and how? I hope someone has a idea! ...
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0answers
135 views

how to make fragment cache using xcache opcode and w3 total cache plugin?

i have a Wordpress blog with xcache opcode and w3 total cache plugin installed ... everything is working well Except i cannot make fragment cache when my page cache method is xcache opcode, while i ...
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0answers
44 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 ...
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2answers
143 views

Which file i must edit to define a constant of WP Super Cache?

This WP Super Cache plugin doesn't let my shopcart (using shopp plugin) update when someone add or remove items. There is someone say that i must define a constant define('DONOTCACHEPAGE',1); to ...
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0answers
82 views

W3 Total Cache Plugin: How to bust browser cache?

How would I go about busting browser cache on the client site? I've noticed now that I activated browser cache, updates I push out to my server are not appearing immediately as the browser is now ...
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0answers
43 views

Scheduling daily refresh of posts

So here's my situation: I'm using AmazonSimpleAdmin to display products using the Amazon API. I have one product per post. The API limits 1 request per second. Meaning my front page can only have one ...
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2answers
985 views

Caching issue: WooCommerce add to cart doesn't work when logged out on Chrome

Background on the problem I have a WooCommerce site hosted on WPEngine. Before going live, I contacted support with a list of pages to exclude from caching. I tested the checkout functionality, ...
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1answer
51 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 ...
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1answer
235 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 ...
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1answer
42 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, ...
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2answers
161 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?
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1answer
56 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 ...
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votes
1answer
416 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 ...
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votes
1answer
1k views

Bluehost WebHost and performance problems with W3TC

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 ...