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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0
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1answer
10 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 ...
0
votes
3answers
203 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 ...
5
votes
2answers
7k views

Versioning @import of parent theme's style.css

Context I built a child theme based on Twenty Thirteen which works quite well. After updating the parent theme to version 1.3, I noticed strange behavior with the styling which was caused by a cached ...
1
vote
0answers
24 views

Run oembed separately outside the_content()

I have this structure for my content.php : <div class="featured"> <!--featured image here--> </div> <h1 class="entry-title">Post Title</h1> <div ...
0
votes
1answer
376 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 ...
0
votes
3answers
25 views

Fixed version number for cached stylesheets and javascript

Unless i use: wp_enqueue_style( 'dazzling-style', get_template_directory_uri() . '/css/main.css?ver=', array(), rand(10,99999), 'all' ); Then everytime I visit my site, be it local or live, I see ...
-1
votes
0answers
12 views

Total Cache Plugin + Plugin Assets

I am using the Wordpress Total Cache plugin for a site I just inherited. I setup a MaxCDN pull zone for the website, along with page, object and minify caching. I am able to get almost all the assets ...
1
vote
1answer
348 views

How to optimize 'select found_rows()' query? Several 'high load average' alerts daily

I have 5,000 regular posts, 6,000 posts in one post type and 2,000 posts in another post type. Needless to say, that has made the wp_posts table quite large. Not to mention, I have custom taxonomies ...
0
votes
0answers
19 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 ...
0
votes
1answer
20 views

Are caching addons still necessary? [on hold]

Are these things still necessary in 2015? I haven't used Wordpress in a long time. There are a lot of choices like super cache, total cache, and a lot more -- many seem to also have random posts about ...
0
votes
1answer
363 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 ...
0
votes
1answer
892 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 ...
0
votes
0answers
30 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 ...
0
votes
0answers
32 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 ...
0
votes
1answer
64 views

APC vs APCu vs OPcache

I m a bit confused and i need ur personal opinion please what should i use ? APC , APCu or OPcache I m usinge : WHM VPS Apache 2.4 / PHP 5.5 / Fastcgi / Wordpress / Processeur 6 vCores / RAM 8 Gio ...
0
votes
1answer
315 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 ...
1
vote
1answer
641 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 ...
0
votes
1answer
28 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, ...
0
votes
1answer
23 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 ...
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 - ...
0
votes
2answers
143 views

Prevent Wordpress from sending Cache-control http header

My site sits on a server that uses Varnish as a (powerful) caching engine. Unfortunately, it seems wordpress is busting the Varnish cache by sending a cache-control http header. If I curl -I ...
-1
votes
1answer
273 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: ...
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 ...
0
votes
0answers
61 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 ...
0
votes
0answers
232 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 ...
57
votes
13answers
4k views

Steps to Optimize WordPress in Regard to Server Load?

Besides installing W3 Total Cache or another caching plugin what steps can I take to make sure that my theme and site run as fast as possible.
0
votes
0answers
51 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 ...
1
vote
1answer
49 views

How to prevent/delay MySQL connections when an object cache is used?

We are using an object cache backed by memcached, however I think that WordPress will still connect to MySQL on every page load, which shouldn't be needed if all queries can be handled by the object ...
-1
votes
1answer
16 views

Caching & Outputting RSS Data

I need to pull in 2 different RSS feeds from an external site into our site. I have two questions about how to best do this: I want to cache the feed so that it doesn't get pulled in every time ...
-1
votes
1answer
1k views

CSS changes not taking effect [closed]

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
45 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 ...
0
votes
0answers
146 views

tinyMCE.activeEditor = null WP editor loaded in 'Text' mode?

I have a plugin which saves data via AJAX, and realised that it wasn't sending out any request. I opened up the console to look further, and low and behold when trying to look at the object ...
0
votes
3answers
73 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 ...
1
vote
0answers
244 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 ...
0
votes
2answers
47 views

Can a Wordpress blog be entirely hosted on a CDN if cached?

I am developing a Wordpress blog for a client who believes that more than 1m pageviews will be served every month. Unfortunately his server resources are very limited so I was thinking of hosting the ...
4
votes
1answer
488 views

Nginx + WordPress + HHVM: Why isn't Batcache working? Would Varnish help even more?

I've heard great things about HHVM, so I've setup a copy of WordPress blog (on another domain) with Nginx (with the Pagespeed module) and HHVM. Right now the benefits are obvious: on the same config, ...
1
vote
3answers
405 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
0answers
95 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 ...
14
votes
7answers
15k 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
0answers
69 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
votes
1answer
37 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 ...
0
votes
3answers
576 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]: ...
0
votes
1answer
39 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 ...
0
votes
1answer
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 ...
3
votes
1answer
299 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 | ...
0
votes
1answer
64 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 ...
0
votes
1answer
49 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 ...
5
votes
3answers
471 views

Trouble with Transient API when W3TC is activated [closed]

I'm using W3 Total Cache 0.9.2.11 on Wordpress 3.5.2. I've got a problem with transient API and w3tc's object cache setting. When I activate 'object cache' with memcached (other settings are ...
2
votes
1answer
2k views

Exclude certain block from caching using Fragment Caching - doesn't work [closed]

I have a one form, and I'm inserting it on page footer from a function file. I need to display a random form to each visitors and thus have a function developed to support this. However, with caching ...
1
vote
0answers
103 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 ...