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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33 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
129 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 ...
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2answers
181 views

How to purge all transient caches?

Is there an easy way to delete all transient caches? A plugin maybe? Or like in drupal "drush cc all"?
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1answer
237 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 ...
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1answer
127 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
707 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
463 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: ...
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1answer
157 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
98 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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339 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
83 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
196 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" ...
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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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1answer
65 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 ...
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1answer
843 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 ...
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1answer
665 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 ...
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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: ...
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1answer
180 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.
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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 ...
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1answer
229 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: ...
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1answer
135 views

W3 Total Cache Help - How to update DNS Zone for a static domain [closed]

I am running this site: www.thetechnofreaks.com on Wordpress. Recently I came through a plugin that claims to increase the page load efficiency of my site. the plugin details can be found here: ...
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1answer
65 views

Actions to use when flushing cache (when posts are added / deleted / modified)

I'm looking for a list of action tags that are relevant when you: create a post, with any method, so basically using wp_insert_post modify a post, like changing status, title, content, terms, meta, ...
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2answers
61 views

W3TotalCache and Javascript — what should go where, when?

I'm just starting to use W3TotalCache and am a little perplexed by how I should load the gobs of javascript and CSS rendering on the site in the question. Adding some of the pre-minified jQuery ...
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1answer
218 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
459 views

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

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
237 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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2answers
227 views

What archive plugin works with W3 total cache? [closed]

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
1k 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
28 views

WP Optimization: Multiples call to wp_options table all the time, is this normal?

I've a problem on my site since it is running very very slow and I can't find the cause of this. So I'll need some kind of desperate help from people here. I'll improve the question any time I perform ...
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0answers
24 views

Flush RSS Cache

I'm editing my RSS feed by adding extra elements containing custom fields I've created. I'm aware these won't work on standard RSS readers, but I've building a custom page for a different website that ...
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0answers
46 views

is_user_logged_in() not working after domain change

I am relatively new to Wordpress and I recently moved a WordPress website from one domain to another. I went through and fixed all the links and references that I could find. Now my website has all of ...
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1answer
12 views

Website displays old version of page

So I'm working on a website for a company and everytime I edit a page/post I have to manually go in to the database and remove the old versions (which isn't something that I'd like to do since it's ...
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0answers
26 views

Turn off Plugin Manually

I have installed and active wp-super-cache plugin, and It cached an PHP syntax error. I solved the error but can't run my website again because the error.log is still displaying the same error. I ...
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50 views

How could I exclude login modal from cache?

since I activated the W3 total cache I got a login problem, people write their credentials on login modal but after they press the sign in button, the page refresh but the user's name is not ...
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0answers
123 views

How to do Leverage browser caching for a specific file in wordpress?

I am trying to get my site passed in google speed test. My current speed is 74/100 For java script Leverage browser caching I've added this ExpiresByType text/x-javascript "access 1 month"1 to my ...
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1answer
37 views

User email not being changed (cached?) until next page load (frontend)

I'm working on my own account management from the frontend. So far everything is working pretty good. I do have 1 issue that I just can't seem to fix. When a user updates their account information, ...
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0answers
103 views

W3 Total Cache problem with password protected pages

well w3 total cache plugins is really nice and make my speed of loading more fast but seems Total cache have problem with password protected pages and posts . when the password enter and page load ...
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1answer
33 views

pass-protected pages and posts not protected after enter them 1 time

i use wordpress 3.9.2 and i read a lot of article and Q about clear cookies but some of them is too old ( for wp 3.4 and wp-pass with different code) or not solve my problem i have some password ...
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0answers
79 views

Custom php Widget keeps disappearing from the front end

I've created a widget to show custom testimonials on the sidebar. It checks if the post has a custom field 'customer_review' then prints a it on the sidebar. Thing is, the testimonial keeps ...
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1answer
61 views

Manually cache a special, non-WP-but-using-WP page (e.g. Ajax results) with W3TC

Under the active theme folder, I have a search-autocomplete.php file which uses various WP queries to create smart JSON results delivered via AJAX to a jQuery UI Autocomplete input field. It's not a ...
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3answers
110 views

After moving a site to another domain, all images are lost

I moved from www.domain1.com to www.domain2.com Trouble is the image paths left looking at www.domain1.com/wp-content/uploads... So when www.domain1.com went down all my images are now lost. I ...
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0answers
88 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 ...
0
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1answer
59 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
13 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
113 views

Is MySQL query cache useful for WordPress?

Starting from MySQL 5.6, if you use InnoDB as the default engine, the query cache is now officially disabled. We've a quite moderate traffic WordPress site and experience a major downtime when we ...
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1answer
31 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
41 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
20 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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0answers
33 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
87 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 ...