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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24 views

Preventing Cache for Text Content but not for CSS files and Images

I am front-end developer and my knowledge is limited for server-side. Excuse me if I am mistaken on terminology. I have Wordpress blog that I write blog posts about javascript. I update the same post ...
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1answer
27 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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0answers
12 views

Disable Page Cache for specific Query Parameter in W3 Total Cache [on hold]

I have a URL on my WordPress site includes ?switchContrast at the end of the URL, e.g. http://www.mydomain.com/?switchContrast How can I exclude this site from the page cache? Under "Performance" -> ...
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3answers
125 views

After Migration, Warning: include_once() errors on all pages

We migrated our site to a new host and changed the domain name, and now all pages are displaying errors: Warning: include_once(includes/class-wc-download-handler.php) [function.include-once]: ...
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1answer
25 views

Server Variables not recognized in certain posts

I've got a very strange issue that I've never seen in WordPress. I've just converted a big site over to a new responsive theme. The site has about 1,400 articles and there are ads on it. The way we ...
2
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1answer
105 views

How can I reduce the number of database query calls for this custom homepage?

I am working on the design of a blog with the below(just a sample) category hierarchy. PARENT | ...
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1answer
33 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
35 views

WordPress aggressively caching CSS

I’m absolutely fed up at this stage. I just activated a new theme on my WordPress site. I activated it at about 7pm GMT and since then I’ve been trying to change the style. I’ve updated the CSS (I’m ...
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0answers
54 views

Wordpress PHP 5.5 and OPcache

I have tried to run on my Apache 2.4 and PHP 5.5 OPcache. My admins turned it on for me but the site was not faster - it was slower. Is there a how-to somewhere or a code snipet needed in WordPress ...
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0answers
48 views

Cache issues with redis and nginx

I have a problem with the rewrite rules in my nginx config file. I am running wordpress with nginx and redis to cache the site. I can get the redis to cache all pages not a problem, but as I am ...
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0answers
11 views

Updating WordPress or plugins causes site issues (due to API, I think)

I have a problem with all of the sites I host on my server. Whenever someone updates WordPress of plugins, I manually have to restart Apache to get things to work properly. Should the update process ...
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0answers
55 views

Set Session Time Limit for Password Protected Posts

I have made a series of posts and pages password protected on my website using the built-in Visibility setting. They all use the same password, so the user can view all of them after entering the ...
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0answers
17 views

Is MySQL query_cache useful for WordPress?

Starting from 5.6, if you use InnoDB as the default engine and query_cache is now officially disabled. We've a quite moderate traffic wordpress site and experience a major downtime when we upgraded ...
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1answer
30 views

Serve content from centralized location

I'm looking for an easy/efficient way to manage & serve content from one master WP site to multiple drones (NOT multisite). On the master site i'll have custom post type "served_content". The ...
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0answers
28 views

Post not showing up sometimes on website

I have a weird problem. A particular post is not showing up on my website sometimes. So If I clear cache then it shows up. It is happening only to one particular post. I am not able to figure out what ...
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0answers
16 views

How to cancel a custom post type query based on existing cache file

Is there a proper way to greatly restrict the query (or remove it altogether) for a custom post type type-single.php file? Simply stated, for reasons of speed speed speed I've cached all relevant ...
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1answer
48 views

Editing wp-includes/feed.php

I was not understanding why my RSS didn't update, after much wailing and gnashing of teeth I believe I have fixed this to a degree by editing wp-includes/feed.php. I changed this: ...
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1answer
31 views

Browser Cache causes 'Orderby=rand' to return the same posts

I have a code that redirects users to a random post whenever they visit the homepage: if (have_posts()) { query_posts('orderby=rand'); while (have_posts()) { the_post(); ...
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0answers
20 views

Should I use transients for these API call results?

I am consuming an API that gives me a list of people and their profiles. My initial idea was working perfectly fine when it's just the list of people because I was just saving the ids and names using ...
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0answers
38 views

Why does my css file keep caching on wp-multisite?

I am quite a newbie in web design and I hope someone can solve this problem for me, I have also tried wordpress forum but can't find the answer. I have a multisite (sub domain) with a strange caching ...
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1answer
201 views

Failing to open advanced-cache.php which is breaking Media Library

On my WordPress install, which is 3.8 and has all plugins updated, it is using Magic Fields 2 and Hypercache amongst other plugins. I can't insert images into posts because when I upload, it gives me ...
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0answers
43 views

Splash pages on a high traffic site

Could use some advice here. We have a fairly high traffic site web site using WordPress. Currently we have two VPS servers managing the site, one that holds WP, one that holds MySQL. The WP servers ...
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1answer
24 views

Page updates appear in Preview but not live version?

I have made some changes to a blog page and excluded some categories. However, whenever I view the blog online the excluded posts still appear. But when I got to the blog page and click 'preview' the ...
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0answers
31 views

Strange caching behaviour

I changed options in my theme (style settings, to keep it simple just say switched color from blue to red) and it seems nothing happened. After some trial and error I figured out that when I am logged ...
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1answer
525 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
45 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
33 views

Cache directory needed for plugin

I'm working on a new plugin, and i need to write a frew cache files somewhere. At first i wanted to create a cache folder inside my plugin with the following .gitignore file in it: # Ignore ...
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0answers
43 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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1answer
47 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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0answers
65 views

Index page and random posts needs a forced refresh in order to show new content

I have this weird problem with both on desktop and mobile, which requires a manual refresh in order for the index-page to show new posts. It also appears as if the user is not logged in. Basically, I ...
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1answer
36 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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0answers
143 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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1answer
28 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
110 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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1answer
84 views

Dynamic Stylesheet loads but doesn't finish

I am creating a website for an architect with large images being a main feature of the site. Given the potential size of the images I wanted to have a way to create responsive image sizing (and of ...
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1answer
26 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: ...
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0answers
41 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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0answers
42 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 ...
2
votes
1answer
206 views

Batcache messages no longer in page source

I have placed advanced-cache.php and object-cache.php in wp-contents and updated wp-config.php with define('WP_CACHE', true);, but I do not see the messages in the page source telling me that the page ...
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0answers
65 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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0answers
14 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. ...
0
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3answers
229 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 ...
0
votes
1answer
378 views

CSS changes not taking effect

I make changes to my style.css file but they do not take effect on the website. Style.css is located here: /wp-content/themes/academy/style.css I have made changes to it previously and the changes ...
0
votes
1answer
68 views

Wordpress theme Modifications not showing up on live server

I have been working on localhost with a theme that was already installed on live server. After i completed my mods, uploaded the files to themes folder in wp-content but to my disappointment, the same ...
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1answer
58 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 ...
0
votes
0answers
23 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 ...
0
votes
0answers
32 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 ...
1
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2answers
233 views

W3 Total Cache doesn't detect memcached

I have a wordpress installation (latest version) running on a debian server with memcached and php5-memcached installed (memcache appears on phpinfo()), but W3 Total Cache doesn't seem to recognize ...
3
votes
1answer
83 views

W3 Total Cache plugin integration

I am working on a plugin (widget) that is using some transients that are updated from time to time. That said, when these transients are updated, I think I will need to flush the cache to display the ...
1
vote
0answers
76 views

.htaccess browser caching and user login [closed]

I have a site that involves user logins for certain content. I am leveraging browser caching in the .htaccess file. When a user logs in, they are redirected to a profile page. The problem I'm having ...