How To Clear WordPress Cache

Sep 11, 2023 | Website Optimization

In this article, you will discover a simple and efficient method to clear the cache on your WordPress website. If you have noticed that your website is running slower than usual or if changes you have made are not being reflected, clearing the WordPress cache can help resolve these issues. By following a few easy steps, you can ensure that your website runs smoothly and your visitors have a seamless browsing experience.

How To Clear WordPress Cache

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Understanding WordPress Cache

Explanation of WordPress Cache

WordPress cache refers to the temporary storage of web page elements, such as images, scripts, and stylesheets, to improve the website’s performance and speed. When a user visits a WordPress site, the browser or server cache saves a copy of the web page, reducing the need to retrieve the entire page from the server. This caching process results in faster load times and improved user experience.

Importance of Clearing Cache

While WordPress caching offers numerous benefits, it is crucial to clear the cache regularly. Clearing the cache ensures that visitors see the most up-to-date version of your website and helps prevent potential issues, such as outdated content or errors. In addition, clearing cache can also troubleshoot performance problems and optimize your website’s speed.

Types of WordPress Cache

Browser Cache

Browser cache is a type of caching that occurs at the user’s end, storing frequently accessed website files on their device. When a user revisits the same website, the browser retrieves these cached files from the local storage instead of fetching them from the server again. Clearing the browser cache helps in displaying the latest version of a website to the user.

Server Cache

Server cache is a form of caching that happens on the server-side. It involves storing website files in the server’s memory or on a separate caching server. When a visitor requests a web page, the server retrieves the cached version instead of generating it again, reducing the server’s workload. Clearing the server cache ensures that your visitors receive the most recent content.

Plugin Cache

Many WordPress websites use caching plugins to enhance performance. These plugins generate static HTML versions of web pages and store them in the cache. When someone accesses a page, the cached version is shown, saving processing time and server resources. However, clearing the plugin cache is essential to reflect any changes made to your site and to avoid displaying outdated content.

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Signs You Need to Clear WordPress Cache

Website Loading Slowly

One of the most common signs that you need to clear the WordPress cache is slow page loading. If you notice that your website takes an unusually long time to load, this could be due to outdated or conflicting cache files. Clearing the cache can help resolve this issue and boost your site’s speed.

Changes Not Appearing

If you have made updates to your website, such as modifying content, installing new plugins, or changing the theme, but the changes do not appear on the front end, it is likely due to cached versions being served. Clearing the cache ensures that the latest changes are visible to your visitors.

Experiencing Errors or Bugs

In certain cases, outdated or corrupted cache files can cause errors or bugs on your WordPress site. These issues may manifest as broken links, missing images, or malfunctioning features. Clearing the cache can help eliminate these problems and restore your website’s functionality.

How to Clear Browser Cache for WordPress

Instructions for Chrome

  1. Open Chrome and click on the three dots in the top right corner.
  2. Select “More tools” and then “Clear browsing data.”
  3. In the popup window, choose the time range for which you want to clear the cache.
  4. Check the box next to “Cached images and files.”
  5. Click on “Clear data” to clear the browser cache.

Instructions for Firefox

  1. Open Firefox and click on the three horizontal lines in the top right corner.
  2. Select “Options” and then “Privacy & Security” from the left sidebar.
  3. Scroll down to the “Cookies and Site Data” section.
  4. Click on “Clear Data” and check the box next to “Cached Web Content.”
  5. Click on “Clear” to clear the browser cache.

Instructions for Safari

  1. Open Safari and click on “Safari” in the top menu bar.
  2. Select “Preferences” and then click on the “Advanced” tab.
  3. Check the box next to “Show Develop menu in the menu bar.”
  4. Close the preferences window, and you should see “Develop” in the top menu bar.
  5. Click on “Develop” and select “Empty Caches” to clear the browser cache.

Instructions for Internet Explorer

  1. Open Internet Explorer and click on the gear icon in the top right corner.
  2. Select “Safety” and then “Delete Browsing History.”
  3. Check the box next to “Temporary Internet files and website files.”
  4. Click on “Delete” to clear the browser cache.

How To Clear WordPress Cache

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How to Clear Server Cache for WordPress

Identifying Your Web Host

Before clearing the server cache, you need to identify your web host. Popular web hosting providers include Bluehost, SiteGround, and HostGator. Refer to your hosting provider’s documentation or support for specific instructions on clearing the server cache.

Instructions for Different Hosting Services

  1. Bluehost: Log in to your Bluehost account and navigate to the “Performance” section. Look for caching options or a button to clear the cache.

  2. SiteGround: Access your SiteGround account and go to the “Site Tools” section. Look for the “Caching” tab and find the options to clear the cache.

  3. HostGator: Log in to your HostGator cPanel account and search for the “Cache Manager” or “SuperCacher” option. Clear the cache using the provided tools.

Remember that these instructions may vary depending on your hosting provider and the tools they offer. If you are unsure, consult your hosting provider’s support for specific instructions.

How to Clear Plugin Cache for WordPress

Identifying Your Plugins

To clear the plugin cache, you first need to identify the caching plugins installed on your WordPress site. Popular caching plugins include WP Super Cache, W3 Total Cache, and WP Rocket. Once you have identified the caching plugin, proceed with the following instructions.

Instructions for Popular Cache Plugins

  1. WP Super Cache: After logging in to your WordPress admin dashboard, go to “Settings” and select “WP Super Cache.” Look for the “Easy” tab or a similar option and click on the “Delete Cache” button.

  2. W3 Total Cache: In the WordPress admin dashboard, navigate to “Performance” and select “Dashboard” under the W3 Total Cache section. Locate the “Empty All Caches” button and click on it to clear the cache.

  3. WP Rocket: Access the WP Rocket settings by clicking on the “WP Rocket” link in the WordPress admin sidebar. Go to the “Cache” tab and click on the “Clear Cache” button to remove cached files.

Remember to consult the documentation or support resources of your specific caching plugin for detailed instructions if needed.

How To Clear WordPress Cache

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Automating Cache Clearance in WordPress

Utilizing Plugins

To automate cache clearance in WordPress, you can use various scheduling or clearing plugins. These plugins allow you to set a specific interval or trigger event for cache clearance. Popular options include WP-Optimize, Advanced Cron Manager, and Clear Cache for Me. Install and configure the plugin of your choice to automate cache clearance.

Setting up Automatic Cache Clearance

Once you have chosen a cache clearance plugin, follow these general steps to set up automatic cache clearance:

  1. Install and activate the caching plugin if you haven’t already.

  2. Access the plugin settings in your WordPress admin dashboard.

  3. Look for the section or tab related to cache clearing or scheduling.

  4. Configure the scheduling options according to your preferences. You can choose specific intervals, set manual triggers, or define events that trigger cache clearance.

  5. Save your settings and test the automated cache clearance by making some changes to your website and ensuring the cache clears accordingly.

Automating cache clearance saves you time and ensures that your website consistently delivers the most recent content to visitors.

Common Issues When Clearing WordPress Cache

Troubleshooting Guide

While clearing the cache is generally a straightforward process, you may encounter some issues along the way. Here are a few common issues and troubleshooting tips:

  1. Cache not clearing: If you have cleared the cache but notice that changes are not reflecting on your website, try a hard refresh (Ctrl + F5 or Command + Shift + R) or clear your browser cache manually.

  2. White screen of death: After clearing the cache, you may encounter a white screen or an error message. This can be due to a plugin conflict or cached files causing issues. Deactivate all plugins temporarily and see if the issue persists. If it does, contact your hosting provider for further assistance.

  3. Loss of custom settings: In some cases, clearing the cache may reset certain custom settings or modifications you made to your website’s appearance or functionality. If this occurs, restore the settings or customize them again.

Contacting Support

If you have followed the troubleshooting guide and are still experiencing issues with clearing the WordPress cache, do not hesitate to contact support. Reach out to your hosting provider, caching plugin support, or the WordPress community for expert assistance in resolving any cache-related problems.

How To Clear WordPress Cache

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Maintaining Your WordPress Cache Cleared

Best Practices for Cache Management

To maintain an optimized website, it is essential to establish good cache management practices. Here are a few best practices to keep your WordPress cache cleared:

  1. Regularly clear the cache: Make cache clearance part of your routine website maintenance. Set a schedule or utilize automation plugins to ensure cache is cleared at appropriate intervals.

  2. Monitor caching plugins: Keep an eye on caching plugins’ performance and compatibility with your website. Update them regularly and replace them if needed for better performance.

  3. Clear cache after updates: Whenever you update your theme, plugins, or WordPress core, clear the cache afterward to ensure the changes take effect.

  4. Combine cache with other optimizations: Optimize your website further by utilizing techniques such as image optimization, minification, and content delivery networks (CDNs) in conjunction with caching.

Regular Maintenance Schedule

To maintain an efficient website and prevent cache-related issues, consider implementing a regular maintenance schedule. Set a reminder to clear the cache weekly, bi-weekly, or monthly, depending on your website’s update frequency. Additionally, conduct regular checks to confirm that cache clearance is functioning correctly and troubleshoot any issues promptly.

Benefits of Regularly Clearing WordPress Cache

Improved Site Speed

One of the primary benefits of clearing the WordPress cache is improved site speed. By removing outdated or unnecessary cached files, you enable your website to load faster, reducing waiting times for visitors and enhancing the user experience.

Updated Site Content

Regularly clearing the cache ensures that visitors see the most recent version of your website. Any updates or modifications you make to your content, design, or functionality will be immediately visible, preventing potential confusion or frustration caused by outdated information.

Reduced Errors

Outdated or corrupted cache files can sometimes lead to errors or bugs on your website. By clearing the cache regularly, you minimize the chances of encountering such issues, ensuring that your site functions smoothly and reliably.

Improved User Experience

Ultimately, regularly clearing the WordPress cache contributes to an enhanced user experience. With faster load times, up-to-date content, and fewer errors, visitors to your website will have a seamless and enjoyable browsing experience, increasing the likelihood of returning to your site in the future.

In conclusion, understanding and managing WordPress cache is vital for website owners and administrators. By clearing cache on different levels, troubleshooting issues, and implementing regular maintenance practices, you can optimize your site’s performance, ensure accuracy, and provide an exceptional user experience.

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