The cache tag has no wiki summary.
42
votes
12answers
3k 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.
18
votes
2answers
2k views
What are the best practices for using a caching plugin on a shared host?
I've launched quite a big site the other day and I'd like to incorporate a caching plugin. The setup is single-site with some Buddypress features mixed in (for user registration, maps with gpress, ...
16
votes
2answers
3k views
How well does WordPress scale?
With the new Wordpress and it's new features, it seems like WordPress is capable of much more than a simple blog engine. But how well does wordpress scale being used by say 10k -> 100k users per day?
...
10
votes
3answers
4k views
What is the best caching option for WordPress multi-site on non-shared hosting?
What caching plugin configuration do you recommend and why under the following assumptions:
full control of the server configuration
running WordPress in multi-site/multi-domain mode
most domains ...
9
votes
5answers
5k views
W3 total cache - cache refresh programmatically
I am building a Digg like website in WordPress.
After installing W3 Total Cache, I noticed certain elements such as number of votes (and voters ids) per post are cached even though they shouldn't be ...
8
votes
7answers
3k 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 ...
8
votes
3answers
1k views
Optimize apache for WP use
Greetings,
I have a WP site with over than 150k pageviews /day.
It's running on a Intel Core i5 CPU 760 @ 2.80GHz, with Centos and 4 GB of RAM.
The problem is WP consumes too much RAM and after a ...
7
votes
2answers
386 views
Pros and Cons for high “expire time” on wp-super-cache or w3-total-cache?
In the wp-super-cache page, there is the following sentence, which I do not understand::
Checking for and deleting expired files is expensive, but it’s
expensive leaving them there too. On a ...
5
votes
2answers
797 views
Configuring WordPress for Amazon CloudFront Caching?
Amazon CloudFront is a content distribution network (CDN) that can help you survive a huge amount of load in a short amount of time. What's the easiest way to configure WordPress to host its files ...
5
votes
1answer
132 views
Will I see a performance hit if I use native API calls like get_the_title() instead of $post->post_title?
Let's say I've already got the $post object through some earlier process of looping through an array of IDs and using get_post() on each one of them, storing the resulting object in some array.
Later ...
5
votes
2answers
628 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 ...
3
votes
4answers
384 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 ...
3
votes
5answers
706 views
Best WP cache plugin for large site
I'm looking for WP cache plugin which is able to handle large number of pages. approx. 1 mil. I'm considering W3 total cache , WP super cache and few more , unfortunately I don't know which one is the ...
3
votes
3answers
278 views
Stylesheet switching and caching
I'm implementing a site that allows users to switch stylesheets (to show a high contrast version for people with vision impairments). The switcher essentially just changes the <link>ref to ...
3
votes
2answers
629 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 ...
3
votes
1answer
274 views
Wordpress Browser Cache with W3-Total-Cache doesn't show new posts
I'm running the latest version of both Wordpress (3.5.1) and the always popular W3 Total Cache (0.9.2.8), but I'm having issues with the browser cache. Basically I can't figure out the settings to ...
3
votes
2answers
158 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 ...
3
votes
1answer
1k views
Writing a cache manifest file for a WordPress blog (app cache, offline web applications)
I'm wondering if anyone has implemented Offline Web Applications from HTML5 in a WordPress blog?
When you write a manifest file, all files must be accounted for, thought you can specify the wildcard ...
3
votes
1answer
162 views
Can someone explain Wordpress caching, and what's the best in my scenario?
I'm creating a website that has two basic user groups: Subscribers and Editors. Bot can create posts via a custom form using wp_insert_post(), but Editors are allowed to mark a post as private, ...
3
votes
1answer
276 views
Proper hook for W3TC defines, or dynamically disable w3 total cache
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 ...
2
votes
6answers
718 views
WP script versioning breaks cross-site caching?
I am loading JQuery from the google CDN using the following code:
wp_deregister_script('jquery');
wp_register_script(
'jquery', // handle - WP uses this name to refer to script
...
2
votes
2answers
240 views
How can you develop on a live WordPress installation that is using W3 Total Cache?
Or to make it easier: you just want to disable the caching in order to see your changes in realtime.
Any solution that would allow you to disable caching based on IP, logged user or cookie will be ...
2
votes
6answers
263 views
Does a low traffic Wordpress site need a caching plugin and a CDN
I notice that many Wordpress tips websites recommend using wp totalchache and similar plugins. I tried it on one site that gets a relatively small amount of traffic, and hardly notice a difference in ...
2
votes
2answers
1k views
Clear cache when a post is submitted
I have a question.
How can I clear the cache when a post is submitted ?
Actually, I need to clear two speficied pages which display these articles ?
By default, I have noticed the index.php is ...
2
votes
1answer
265 views
Creating your own widgets: using cache?
I'm in the process of making my own widget but I don't like it to fully generate the content each time since the process is quite lenghty. I can easily create my own caching mechanism but I'm ...
2
votes
1answer
188 views
Should the page cache be refreshed often?
In the w3 total cache there is the option to set the time until the cache is flushed (and thus, recreated on the next time a visitor comes by).
My question is, assuming I've got a lot of content on ...
2
votes
2answers
178 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 ...
2
votes
2answers
135 views
Plugin a specific cache functionality?
I have written a plugin that puts a (google) favicon in front of each link in my blog. Really simple. Just uses a simple preg_replace_callback on hrefs:
$changed_html_reference = ...
2
votes
1answer
34 views
Extremely slow Wordpress website with 6000 posts
I have a website with 6000 posts and it is extremely slow.
Sometimes I get this error in my browser:
Service Temporarily Unavailable
The server is temporarily unable to service your request due to ...
2
votes
1answer
73 views
how to force caching of wordpress admin
Because of using slow connection these days, I would like to force WordPress's Admin section to be cached in browser (FF,IE) so that it it takes less time to load admin pages (because in fact, most of ...
2
votes
1answer
674 views
Varnish + W3 Total Page Cache
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 ...
2
votes
1answer
93 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 ...
2
votes
1answer
240 views
Programmatically insert hierarchical terms & set terms for post causes glitch?
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. ...
2
votes
1answer
160 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 ...
2
votes
2answers
841 views
How to make dynamically-generated content searchable in WordPress?
I'm writing a plugin for WordPress that dynamically generates content from a Google Documents Spreadsheet. Specifically, the plugin provides a shortcode that generates a good-looking staff list. It ...
2
votes
0answers
141 views
AJAX vs Fragment Caching for W3 Total Cache
I'm running a WP site with WooCommerce and I want to do some caching. I'm going to exclude the pages such as the cart/checkout for obvious reasons however there are a couple of the things on the site ...
2
votes
1answer
136 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( ...
1
vote
3answers
230 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
2answers
229 views
How many caching plugins should be used?
Online researching shows that there are many plugins out there to perform caching on WP. Just to name a few:
WP Super Cache
W3 Total Cache
WP Widget Cache
DB Cache Reloaded
1 Blog Cacher
Hyper ...
1
vote
2answers
279 views
PHP Code stuck in Cache [Memcached]
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
3answers
215 views
Does WordPress's HTTP API use any caching?
I'm working on a plugin to will retrieve data from a remote server and display it on the Dashboard. To do this, I'll be using the WordPress HTTP API but I'm not seeing any information on the HTTP API ...
1
vote
3answers
428 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
498 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 = ...
1
vote
2answers
462 views
Plugin Expires Headers - W3 Total Cache
Using the Google PageSpeed Online, it looks like the CSS/Images/JS files of most of my plugins (including wp-nivo-slider) do not get their expires-headers set. Is there a solution for this so that W3 ...
1
vote
5answers
248 views
When use a cache system with WordPress
(sorry if this is duplicated but I couldn't find anything related)
I have an WordPress 3.0.3 instalation with some custom coding and tried the W3 Total Cache plugin but had some problems...so I've ...
1
vote
3answers
121 views
server load. $_SERVER['REMOTE_ADDR'] and $_SERVER['HTTP_HOST']
while writing new code and testing it, I incorporate it into my site by testing for the remote IP address as follows; i.e., I'm the only one who will see the new code:
in /functions.php:
// to hide ...
1
vote
2answers
250 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 ...
1
vote
2answers
256 views
Is it possible to save an entire piece of rendered HTML in a transient?
I have some query that brings around 50+ posts (I know it's not ideal but had to do that to build something the client asked..) and a set of loops to order them in a certain way and it looks like that ...
1
vote
2answers
92 views
Cache previous versions of website?
I'm working on a new site for a charity. They publish a printed magazine & we would like the website to always reflect the current issue of the magazine.
So far I have a front page (home page) ...
1
vote
2answers
222 views
Using Multisite with a CDN?
I'm running Wordpress Multisite hosted with Bluehost, and only have 5 low volume sites. My site load time has been awful recently, so I've used Lazy Load, DB optimization, Smush.it, and Quick Cache to ...
