Questions tagged [performance]
Writing efficient code leads to better performance of a site, which is usually measured in the speed with which pages are served.
54
questions
55
votes
2
answers
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Ajax takes 10x as long as it should/could
I have just hit my first serious issue with WordPress and for someone that enjoys Ajax this is a biggy.
I have an Ajax request that is taking 1.5 seconds to complete while using the Ajax API.
If I ...
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85
votes
15
answers
8k
views
Steps to optimize WordPress in regard to server load and website speed?
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.
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votes
1
answer
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Restricting a Plugin to Only Load its CSS and JS on Selected Pages?
I'd like to cause a plugin to restrict its loading of CSS stylesheets and JavaScript JS files to only those pages for which they are needed.
An example for my question is the plugin Contact Form 7 ...
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60
votes
3
answers
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Do deactivated plugins slow down a WordPress site?
Most people are aware that minimizing the number of plugins used is a good way to help keep a WordPress site running fast. However, does that general rule include deactivated plugins?
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wp_register_script multiple identifiers?
In order to avoid poor performance with multiple <script> tags I do concatenation of scripts regularly and produce one single bundle.min.js JS file and 'jsbundle' identifier.
Problem is, things ...
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votes
3
answers
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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?
...
user94
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votes
4
answers
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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 are ...
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5
votes
1
answer
2k
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get_adjacent_post alternative on a very large db
I'm using get_next_post and get_previous_post (from the same category) to show the thumbnail and link to the respectives posts in my single template, but it's in a very large db that is giving my ...
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votes
4
answers
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What are best practices for configuring a server for WordPress sites?
I hired a sysadmin to set up a VPS server for me and, unfortunately, it looks like things were not set up correctly. When trying to install and update plugins, I run into permissions errors all the ...
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0
votes
2
answers
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How to properly insert a stylesheet in wp_head
I am generating critical CSS for every page and category. At the moment I am inserting the stylesheet through functions.php like this simply using echo.
function criticalCSS_wp_head() {
if (...
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0
votes
1
answer
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Wordpress speed slow after .5 million single image post via wp-cli
I am trying to Creat Wordpress website that will contain 10 Million post, such that when i upload a single its become a post with it's own name as title. and i am importing these images with Wp-cli. ...
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answers
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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, ...
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votes
4
answers
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views
Could the WP script/style loader be used to concatenate and gzip scripts and styles in the front-end?
WP has a nice javascript loader included in wp-admin:
http://core.trac.wordpress.org/browser/tags/3.0.4/wp-admin/load-scripts.php
and a CSS loader:
http://core.trac.wordpress.org/browser/tags/3.0.4/...
- 1,081
17
votes
7
answers
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views
Profiling a WordPress Website for Deployment on Shared Hosting?
I am having a problem with CPU usage on my website, and am looking for a way to detect (and fix) what is causing it. A topic not covered in this question.
Following on Hakre answer here, I now ...
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votes
3
answers
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Performance of my permalink structure?
I have read the discussion on the performance of different permalinks on the wp hackers mailinglist, THIS forum and around Google.
I could however not really deduce if the permalink structure I have ...
- 2,574
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votes
2
answers
1k
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Strategies to implement selective loading of plugins
I'm trying to figure out some kind of mechanism to load plugins on demand, depending on the page url, to improve performance.
My primary concern is that I have some admin-ajax.php calls that are ...
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votes
2
answers
2k
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Fastest server stack configuration for WordPress?
If you were configuring a new VPS for a WP website that hasn't launched yet, What technologies would you choose? (website specs below)
Website
Targeting 50-60k hits /mo. and more
The website is ...
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votes
2
answers
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Is security a problem in Wordpress?
I am going to start a big corporate website for his car shop which is supposed be more secured. Is Wordpress okay to start a secured and reliable website?
As far as i heard, Wordpress hackers ...
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2
votes
1
answer
5k
views
Stop all SQL_CALC_FOUND_ROWS wordpress queries
In phpmyadmin I often see this query that hangs with a status of "sending data":
SELECT SQL_CALC_FOUND_ROWS wp2a_posts.ID FROM wp2a_posts WHERE 1=1 AND wp2a_posts.post_author IN (1) AND ...
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votes
2
answers
624
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Efficiency on displaying random authors based on large database
I'm trying to display a list of 5 authors randomly. Here are some solutions I had found:
https://stackoverflow.com/questions/5502609/get-authors-randomly
https://wordpress.stackexchange.com/a/91326/...
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1
vote
2
answers
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views
I have over 4000 posts, will querying some of them cause performance issues?
I am wondering if querying posts like this:
<?php $args = array('numberposts' => 19, 'orderby' => 'rand' );
$posts = get_posts( $args );
foreach($posts as $post) {
$...
- 407
0
votes
1
answer
191
views
Performance and styles not working fine after changing permalink structure
Fist I was using default option of permalink and everything was fine (speed is ok, my own created theme is working fine) but now I change default structure to post name structure of permalink now I am ...
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votes
5
answers
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get_option() vs get_theme_mod(): Why is one slower?
I've been using get_theme_mod() for some time in various projects of mine. I decided to take advantage of the Theme Customization API in WordPress v3.4 once it was available as I felt it was an ...
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votes
4
answers
38k
views
Slow Query for the wp_options table
I have been tracking the slow queries log of the WP based site (with the default value of the a long_query_time set to 10), and I have noticed that the following query is often getting logged -
# ...
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13
votes
2
answers
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WordPress usermeta scaling for thousands of users
I have developed a CRM plugin for a client integrated with WordPress user management and I stored additional information for each user under the wp_usermeta table.
However, the client's customer ...
- 1,620
9
votes
1
answer
8k
views
How can I debug the TTFB in WP?
I'm developing a WP theme, based on _s default theme with WP 4.1.1.
I keep getting a TTFB(time to first byte) of 22s, consistently both on the front and back of the site, while on localhost.
Here's a ...
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7
votes
5
answers
3k
views
Why is home (a lot) slower than other pages?
I'm trying to tune a wordpress website which suffers slow loading times, and I found out that the home page seems to take a lot more time to load. It's not due to content because I'm just considering ...
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votes
2
answers
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Localized WordPress is much slower?
I'm using xdebug and webgrind to profile my WordPress installation because it's a bit slow. As there are some 20 plugins activated, I figured xdebug will be able to find the bottleneck.
However, to ...
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votes
7
answers
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Long Waiting Times on GoDaddy? [closed]
I prefer not to use GoDaddy because I always encounter performance issues. However, one of my clients is rather insistent on using them... so we are.
I've tested this with a vanilla Wordpress 3.0+ ...
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votes
4
answers
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How many posts can I have in a WordPress website?
I have a feed aggregator and I want will have 2 million posts. I am forced to host the content in order for the posts to show in the loop.
A friend stated I need to use a third-party search engine ...
user73579
6
votes
2
answers
532
views
WordPress database scalability from the code perspective
I have read through multiple questions here on StackExchange that concern WordPress scaling and the common opinion is that WordPress is indeed highly scalable provided you have the infrastructure to ...
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votes
3
answers
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views
Could a large quantity of files in the uploads folder affect performance?
There is a site, where images are not organized into month- and year-based folders. There are more than 20 000 of images in one folder (uploads) now. When I try accessing the folder via a file browser,...
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4
votes
1
answer
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views
Wordpress Custom Post Type Admin Page really slow
(I've posted this on the normal stack exchange, but it was suggested that I put it here too. Glad to know this place exists... :))
So, I've been all over the internet trying to figure out what is ...
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votes
2
answers
1k
views
Stress testing WordPress
We are going to launch a community site with 100K posts, 100K comments, 10K terms, 5 users ( all admin/editorial), and approx 500K recs in the wp_postmeta.
Site may grow with a larger author base and ...
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4
votes
2
answers
10k
views
Any reason why wp_cache_set not to work?
Any reason why wp_cache_set not to work? I have spun my wheels trying to figure out why these are not working. Any suggestions? These functions are supposed to help me cache the results to a key/...
4
votes
3
answers
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views
Performance tips for a large user base [closed]
I’m preparing a site with many users (100.000+). Since the output depends on the current user’s relation to some custom post types and taxonomies a static cache won’t help much.
Besides using a ...
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4
votes
1
answer
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views
Is the theme customizer slowing down my site?
I have built an awesome theme, which is very flexible, because it has 500 settings of different (custom) types in the theme customizer. I generate the live css like it says in the codex:
function ...
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4
votes
1
answer
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views
Is it true $wpdb->get_results is faster than WP_Query in most cases?
On my homepage, I have a section where I have to display the last five featured posts, where a featured post is simply a post with a custom field is_featured set to 1.
I achieved what I want with two ...
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votes
2
answers
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views
Post ID At The End Of Permalink URL Effects Performance (Positively)?
HARD NOTE: This question is solely about performance, and NOT search engine optimization. So, please make sure your answers are as such.
W.r.t permalinks, "year" is the most obvious numeric of choice,...
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4
votes
2
answers
929
views
Use override_load_textdomain for cache translation and improve performance
I have a multisite wordpress with multiple localized sites (es_ES, de_DE, it_IT).
I want improve page speed by caching wordpress translation file.
My code works (inspired by Tristan Darricau)! and ...
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3
votes
1
answer
5k
views
Website Loads Twice Unnecessarily
When I use tools.pingdom.com, I can see that my website is loading twice unnecessarily. The first time www.junkluggers.com is loaded, a cookie is set. Then part way through the loading process, www....
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votes
1
answer
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What is best way passing variables to theme templates and using them different places like widgets?
I have a template file at /parts/template.php
which contains a post listing code like,
echo get_the_title(); //same lines with my_render_function
and i am using it at archive.php with this lines.
...
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3
votes
2
answers
524
views
How often do you need to register_post_type?
Assuming you write a plugin and hook into activation / deactivation to register_post_type is that good enough? Or do you need to do it every init?
I'm looking for perf boosts and I want to reduce ...
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2
votes
2
answers
4k
views
How do I rewrite a url to use %taxonomy% instead of %category% when multiple taxonomies are present?
I would like to have the option to use taxonomy in the url instead of only having category like "uncategorized." Note that I have multiple taxonomies (countries, states etc), some of which have ...
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2
votes
2
answers
216
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Performance impact of using functions in WordPress?
I have a website that generates lots of dynamic contents. I'm facing performance issues even on my localhost, on a Corei7 processor.
I've tried to disable every unnecessary plugin, and ran p3 ...
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2
votes
2
answers
2k
views
Minimal WordPress load for only `get_option` to work (because ajax...)
In a plugin, I use ajax to get_option() which takes much longer than it has to because entire wp gets loaded.
How do I set things up so that it (my ajax) loads only what is needed? (get_option())
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votes
2
answers
3k
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How to solve slow WordPress site caused by attachment_metadata
My WordPress sites starting to become slower by time, after two years they become very slow. I tried many things, such as:
improved my DB,
used cache plugins (WP Rocket and W3 Total Cache) which both ...
- 356
2
votes
0
answers
98
views
Opening specific posts on WP takes lot of time and freezes the editor
I have this weird problem in the last couple of days where it takes ~5 minutes to completely open some posts on WordPress wp-admin dashboard.
Please hear me out carefully.
This is happening only with ...
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1
vote
2
answers
385
views
Localization / textdomain is slow and chaotic
My theme has a lot of templates. Most of them contain messages in the usual way:
echo __('This is the message','mytextdomain')
This has several disadvantages. For instance, if I want to change the ...
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1
vote
1
answer
969
views
Pros and cons of using [taxonomy name] in place of [category name]?
We are currently in development on a new site. Categories (& tags) are pretty much meaningless for us because we've implemented custom posts & taxonomies.
By default, because I have enabled ...
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