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Questions tagged [cache]

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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How many types of caches are there? Am I “Over-Caching” my site? [on hold]

I've read that caching improves the performance on my site. However I'm confused with what seemed to be different types of caches. CDN - like Cloudflare Browser Cache - by editing the .htaccess file ...
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1answer
19 views

Should I store critical css in the database or in my theme's filesystem?

I have a method for detecting a post's critical css when the page is requested and in-lining it to optimize page speed. I would like to cache this css to avoid having to compile it for every page ...
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7 views

Store “cacheable” data recieved via Ajax to wordpress database?

I am requesting data from an outside API for display via shortcode. All that works. I'm even caching the response in the [options] table to speed up subsequent page loads. However, the initial page ...
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2answers
43 views

Use WP Cron to Clear a Page Cache?

I'm using a plugin (Comet Cache) to save static versions of a particular page I have on my site. Inside the plugin, I have the cache set to clear every 2 hours (that way this page can show the ...
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1answer
17 views

permalinks constantly needs re-saving

I have my WP running on an Nginx environment, with Wordfence, WP Rocket, and Search&Filter plugins installed (along with some others). Permalinks are working just fine, except /search permalink ...
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1answer
22 views

Cache the registration of a custom post type?

In computation, cache is used to store the state of something that is complex to generate. We then use the cached version for future requests. Taking a look inside the register_post_type function, I ...
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73 views

Woocommerce recently viewed products and page caching

I am currently using Hummingbird to cache my pages and I also use the Woocommerce recently viewed products widget. I am currently having to exclude my homepage from caching as when caching is active, ...
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1answer
23 views

How to prevent archiving and search engine caching in a free Wordpress blog?

I don't like to have my free Wordpress blog cached by search engines or even worse, archived by the known archiving websites and services like The Wayback Machine. How can I do that?
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1answer
28 views

How to cache for multi server environment? Memcached, Redis or other?

Am researching ways to speed a a multiserver wordpress install. In the past there was plugins like batcache that used memcache to store objects. That plugin is outdated and wanted to know in 2018 what ...
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9 views

Logged out content shown until refresh

Whenever a logged in user lands on a page it has also opened when still logged out, it shows the logged out version of that page until you refresh the page. Is there a way to force the browser to ...
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24 views

Why WordPress cache is not available after reload page?

I try to put data into WordPress cache and get it after reload page. I test my code and find out that data added to cache currently but after I reload page this cache is empty and wp_cache_get method ...
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26 views

Wordpress on mobile devices with new data after updating page

I work with a site where a weather report is displayed on the page. With each page refresh, some data changes. But no on mobile devices. Plugin for caching is disabled. There is a suspicion that this ...
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1answer
18 views

Is there a limit to size of data stored in update_option()?

I've checked out several* questions and WP docs and I have some idea of the answer but am looking for a specific number on the following questions: 1- Is there a limit to the size of data (kb,mb, ect)...
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2answers
221 views

Images not showing in media grid view (but showing in list view)

In my Wordpress install, thumbnail images are not showing in the media library, when in grid view. They are showing when in list view. In addition, if I once request a thumbnail directly, in the ...
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0answers
31 views

Is there any way to get all custom posts and all custom terms with it's meta in few queries?

I'm developing a website with a record for me query count. It has 720 Query for the main page. I want to reduce it. The main page structure is like this: ~10 Custom Taxonomy Term Each Term has a ...
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41 views

WooCommerce and Redis

I'm using Redis (installed with the Redis Object Cache plugin) in conjunction with WooCommerce. The problem is that (only with the Redis plugin) I can not make any orders, because the sites hangs ...
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1answer
26 views

Wordpress Not updating - No Cache Plugins, Admin sees updates

I have no cache plugins active, I have put CloudFlare in development mode and also tried pausing it. None of these work. Somehow there is something cached on Wordpress side and it does not show the ...
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1answer
105 views

Unable leverage Browser Caching on AWS Bitnami stack (Apache) through W3TC and Cloudfront CDN

I followed many tutorial about leveraging browser caching nevertheless I couldn't configure it succesfully, in fact GTmetric (PageSpeed and YSlow) notified me many static file that don't have a cache ...
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2answers
52 views

Last-Modified header support doesn’t speed up server processing - want more

I’ve just added “Last-Modified” / “If-Modified-Since” header support for some pages on my site via the recommendation here, but I didn’t see a very noticeable client page load speed improvement. This ...
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43 views

Remove trailing slash when WP_CACHE is enabled

I removed the trailing slash via Settings > Permalinks for my WP site. All URLs have been indexed by Google without the trailing slash so I don't want to revert this change. I just wanted to enable ...
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0answers
20 views

Users not shown as logged-in once they go to the site's homepage

I have been unable to solve this problem for a few days now. ​ On my site (parthunter.com.au), once a user logs in for the first time, it will take them to a "profile page", here in the top corner it ...
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14 views

Caching issue with logged out users

I have done a bunch of searches so I'll quickly answer some questions... No caching plugin activated Turned off varnish (liquidweb) Rebooted ngnix server Purged cloudflare and set development mode ...
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1answer
34 views

Updated user role inncorrect when using wp_get_current_user()

I ran into an issue with updating a user role, and then checking the current role somewhere later in the code. After an entire day of debugging, and a night's rest, I figured it out by chance. See ...
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21 views

How can I refresh the plugins cache manually?

I'm installing a plugin by code via an AJAX call and afterwards, I'm using get_plugins to retrieve the new list of plugins. Problem is, my list is still the old one, where there's no plugins that are ...
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18 views

New blog posts don't update on page - How to force update of cookies more frequently?

An issue I am encountering is that even after I make a new post, any user who has visited my website recently isn't able to see my updated blog posts. They only see the old posts. It is only after ...
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1answer
451 views

Possible htaccess configuration issue for HTTPS websites by WP Fastest Cache plugin? [closed]

I am using WP Fastest Cache plugin for my HTTPS website. The plugin once activated adds several lines of code to the htaccess file. I doubt the presence of RewriteCond %{HTTPS} !=on in the below ...
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1answer
28 views

Having issues fixing site speed

G'day! My website > www.captiveoudoor.com generally takes about 50-60 seconds to load all resources, which is currently killing our traffic and google ranking. After running pagespeed insights I ...
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0answers
21 views

Is there a way to cache WordPress that does not loads core?

Cache is great, but still, testing my application with Blackfire, I saw that even the cached version consumes 43mb of memory, mostly because of WordPress Core load. Is there a way to cache a WordPress ...
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1answer
31 views

Investigating complex themes still slow even with WP caching

When using a complex WP theme alongside a WP caching plugin, there seems to be minimal performance improvement. Switch to a simple theme and your site performance improves dramatically. QUESTION: May ...
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0answers
22 views

How to do persistent data on Front End?

I´m doing a plugin with a member system. I need to : display notices ( error, warning, info ) for visitors when they fill the form to subscribe. To match with my core project, I need a system with a ...
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2answers
18 views

How to find out programmatically whether any cache plugin is installed in the WordPress website?

I want to know Whether any cache plugin is installed in the WordPress website or not. At present, I get all active WordPress plugin ( Using get_option('active_plugins')) and check one by one, whether ...
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1answer
20 views

content disappearing minutes after it's published

I'm with a very serious problem. Some information disappears after being published. Not exactly at the moment, but it shows up for a few minutes and then disappears. This does not happen with ...
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183 views

wp_is_mobile and caching problems

I have separate caches for mobile and desktop users and my implementation was working properly until my website began experiencing high traffic. Now, randomly my mobile users will see the desktop view ...
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2answers
48 views

Cached php? Updates are rendering only if logged as admin

I was asked to fix a wordpress based site and I don't get what's going on with it. The (custom) theme has a page-home.php that is the Home page. Whatever edits I make to this file, if I refresh the ...
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1answer
77 views

Stop plugin from adding cache headers

I'm currently using a plugin called 'Userpro' for user registration and login. This plugin culprit is that it adds no-store, no-cache headers whenever activated. I contacted plugin authors for the ...
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73 views

Preload Cache for thousands of posts may be on non-production environment

I have a setup of three wordpress environments: Local: My Development machine (using docker) Staging: An AWS Free Tier EC2 machine Production: An AWS Free Tier EC2 machine I use git/git-hooks to ...
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0answers
33 views

htaccess expires headers caching admin area

I'm having an issue where the admin area is being cached by expires headers I placed in htaccess. Here is what I had in htaccess # Leverage Browser Caching <IfModule mod_expires.c> ...
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1answer
23 views

Need to refresh page after each change

When I'm trying to activate theme in WP I can't see that it was activated, but see old theme is still activated. Then I want to see how it look like and need refresh page again to see new theme ...
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1answer
93 views

How can I render shortcode so that its not cached by Caching plugins?

I am developing a plugin and I don't want the output of my shortcode to be cached by popular WordPress caching plugins like W3Ttoalcahe, WPSuperCache, etc. Is there any way I can achieve that or ask ...
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212 views

leverage browser caching in wordpress

I have added wp Super Cache, Auto optimize plugins on my website, But still, I am getting Leverage Browser Caching Issue how can I fix this in WordPress website
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0answers
173 views

Advanced Custom Fields changes get stuck in cache

I'm using the Repeater Field in Advanced Custom Fields to handle a carousel slider changes slides by activation and expiration dates. I'm not using any caching plugins, but I am hosted with WP Engine ...
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0answers
69 views

Wordpress Website background Images not showing after WP Super Cache

When i install WP Super Cache on my website some background images disappears, sometimes all background images disappears, while sometimes few background images disappears and some still showing. I ...
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1answer
17 views

Should I use wp-content/cache or [PLUGIN_DIR]/cache?

I've been looking at some WordPress plugins, and I notice that if these plugins cache files, they will store these files in wp-content/cache/[PLUGIN_NAME]. Is there any particular reason why they ...
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0answers
93 views

What Cookies wordpress use by default

Hi in my understanding wordpress is not using any cookie by default [talking about non logged in user]. But as per new GDPR law , i have to mention what cookie wordpress is creating in visitor ...
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0answers
17 views

Load comment_form using javascript

I currently cache the page HTML after it has rendered and then serve this back to the users. If I view the page, the comment form will show "Logged in as Dan Hastings" and this gets saved to the cache....
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0answers
41 views

create link/button to purge cloudflare cache on post

good day , how to create a button on post so that visitors can purge it own post cache on cloudflare ? i found this bash script and use to manually flush single url #!/bin/bash if [ -z "$1" ]; then ...
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1answer
150 views

Must I install a plugin for Nginx object caching? [closed]

After Enabling Nginx object caching, something I tried to do without success, so far, must I install some WordPress plugin to communicate with the Nginx caching system somehow or to inform Nginx what ...
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0answers
265 views

Full page NGINX (or Cloudflare) caching and WordPress nonces

Goal: I want to cache the full WordPress response via NGINX and exclusively use the REST API for the user specific parts. Issue: I can't get an authenticated nonce to use against the API. My plan ...
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1answer
1k views

Pictures won't display in media library and also won't show preview when selected

I have done the plug in, check permissions (upload folder which contains files for the media contents is 755), clearing cache (there was none, apparently), disable any extra plug-ins, check and ...
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0answers
15 views

Why aren't updates to site showing up?

I'm creating a site using Kansas theme, and updates to pages are not showing up. I've cleared my browser cache and purged the cache on Wordpress, but content is still not showing up on the site. I'm ...