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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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problem with caching with swift performance lite wordpress login logout problem

I am using Easy digital download to sell online product . the problem is i have enable Shared Logged in Cache option from swift performance lite setting which result really good for page speed . ...
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How can I speed Ultimate Member website?

I have a website with approx 200 members. It has profile setup functionality where a members logins to check other members profile. I set this up using Ultimate Member plugin. The problem with ...
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27 views

How to make login / logout links cache independent?

I used a snippet to create WooCommerce login / logout links via functions.php, present on literally every single Wordpress-related website and highly upvoted. As usual it doesn't really work. Once ...
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1answer
16 views

CSS messes up when CACHE is cleared

I have a wordpress site: www.gravitywild.com The latests posts I've added don't show. I talked to support and they told me to erase the site cache and so I did. This is what the site looked like ...
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13 views

Non Admins Getting Cached Posts

I'm having a strange issue with wordpress posts getting cached. If an admin is logged in they do not receive a cached post however a regular visit is cached. I do not have any caching plugins and the ...
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9 views

How to cache a different page version based on HTTP header?

My website has an HTTP response header generated by Cloudflare that contain the visitor country code, and i can use that header in PHP to generate a dynamic content based on the visitor country, now i'...
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20 views

I couldnt find any working method to remove old slugs [closed]

I have a really frustrating issue that one of my links constantly redirect to old permalink that I have deleted and I got TOO MANY REDIRECT error aka 301 on google chrome I tried 3,4 different ...
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28 views

Front page is not updating content

I have emergency problem. My home page has static page set for front page and post page is blog. I am using the WPBakery Page Builder plugin to design and create content. But somehow I'm unable to ...
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1answer
39 views

Write to / remove from default .htaccess file from plugin?

I'm working on a WordPress plugin, and I have a checkbox option to add cache control headers. I'd like to write to the htaccess file if the option is set to 1, else remove the new content. I've been ...
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1answer
27 views

Assign Json file to WP_Query

I am working with an unnecessarily complex theme with very limited time. Because of the number of records we have, load time is unbearably slow therefore we are looking to caching records using json ...
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47 views

How to Clear PWA cache when user Logs in or Logs out with SW

My site shows different content for logged in user and logged out user. The PWA troubles because the aggressive service worker cache shows logged out user content even after user logs in. Is there ...
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1answer
24 views

How does WP's cache maintain persistence through page reloads?

I've thoroughly analyzed WP's cache, its functions and what it does and although simple in its design, it's effective: an object where you keep adding data that might be used somewhere else, so you ...
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2answers
59 views

Remove caching from wp_remote_get calls from custom plugin

I wrote a plugin to hit an API and display results on a page. When I was testing, every time I hit "preview", the plugin would hit the API and retrieve the most recent data. Now that the plugin is ...
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1answer
22 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
85 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
18 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
24 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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146 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
24 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
31 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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10 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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31 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
25 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
455 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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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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66 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
30 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
138 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
59 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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60 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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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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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
42 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
652 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
29 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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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
33 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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24 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
19 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
27 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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213 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
54 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
86 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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98 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
43 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 ...