Boost Your Site’s Speed: Clear WordPress Cache

Enhance performance with cache clearing


Importance of Cache Clearing for WordPress Performance

Imagine your WordPress site as a bustling city. Cache is like the traffic lights that keep everything flowing smoothly. When the cache is clogged, your site slows down, pages take ages to load, and visitors get frustrated. Clearing the cache is like hitting the “reset” button, unclogging the traffic and restoring your site to its former glory.

Overview of WordPress Cache and Its Benefits

WordPress cache stores frequently accessed data, such as images, CSS files, and database queries, in temporary storage. This reduces the load on your server, making your site faster and more efficient. It’s like having a shortcut to the most popular destinations, so your visitors don’t have to wait in long lines.

How to clear cache on WordPress

© Photographer Sirinda Ins

Types of Cache in WordPress 🧐

WordPress uses three main types of cache to speed up your website:

  • Browser cache: Stores frequently accessed files like images and CSS on your visitor’s computer. This means they don’t have to download them again every time they visit your site, making it load faster. 💨

  • Server-side cache: Stores cached versions of your web pages on your server. When a visitor requests a page, the server can serve it from the cache instead of generating it from scratch. This can significantly reduce load times. 🚀

  • Database cache: Stores frequently used database queries. This means that instead of running the same query multiple times, WordPress can retrieve the results from the cache, saving time and resources. ⌛️

Why Clear Cache on WordPress?

3. Improved Page Load Speed 💨

Cache clearing can significantly boost your site’s speed. Think of it like cleaning out your computer’s memory. When your cache is full, your site has to work harder to load pages, leading to slowdowns and frustrated visitors. Clearing the cache frees up space and allows your site to run more smoothly, giving users a lightning-fast experience. It’s like giving your site a turbo boost, letting it race ahead of the competition!

Methods to Clear WordPress Cache

4. Using a Caching Plugin

“Plugins are like the Swiss Army knives of WordPress,” 🛠️ they extend its functionality and make it a breeze to clear cache. Let’s dive into the most popular options:

  • WP Super Cache: A fan favorite, it offers a range of caching options, including page caching, CDN support, and image optimization.
  • W3 Total Cache: A comprehensive solution that covers all aspects of caching, from browser to database. It’s a bit more technical, but worth it for advanced users.

These plugins make cache clearing as easy as clicking a button. They provide a user-friendly dashboard where you can configure settings, preview changes, and manually clear cache whenever needed. It’s like having a personal cache-clearing concierge at your fingertips!

5. Step-by-Step Guide to Clearing Cache Using a Plugin

Clearing cache using a plugin is a convenient and effective way to optimize your WordPress site. Here’s a step-by-step guide to help you get started:

  1. Install and activate a caching plugin: Choose a reputable plugin like WP Super Cache or W3 Total Cache. Once installed, activate it from your WordPress dashboard.

  2. Configure the plugin settings: Go to the plugin’s settings page and adjust the cache settings according to your needs. Consider enabling page caching, minification, and GZIP compression.

  3. Manually clear cache from the plugin dashboard: Most caching plugins provide a button or option to manually clear the cache. Simply click on it to remove all cached files and folders.

Tip: Remember to test your site after clearing the cache to ensure everything is functioning properly.

Manual Cache Clearing via FTP or cPanel

Step 1: Access Your WordPress Files

Imagine you’re a detective investigating a cache mystery. To find the culprit, you need to access your WordPress files. You can do this using FTP (File Transfer Protocol) or cPanel, your web hosting control panel. It’s like having a secret code to unlock the hidden cache files.

Step 2: Delete the Cache Files and Folders

Now, it’s time to clean up the mess! Locate the cache files and folders. They’re usually found in the /wp-content/cache/ directory. Think of it as a digital trash can overflowing with old cache data. Delete everything in there, like a fresh start for your WordPress site.

Step 3: Refresh Your Site

Once the cache is cleared, it’s like pressing the refresh button on your website. Visit your site and see the magic. The changes you made should now be visible, and your site should be running faster and smoother. It’s like giving your WordPress site a much-needed energy boost!

Clearing Cache Using WordPress Function

7. Programmatic Cache Clearing

Need to clear your cache automatically? WordPress has got you covered with the handy wp_cache_flush() function. Simply add it to your code, run it, and boom! Your cache is cleared programmatically. It’s like having a magic wand for your website’s performance. 🧙‍♂️


This function is a lifesaver when you need to clear the cache after making changes to your site’s code or database. It’s like hitting the “refresh” button on your website, ensuring that your visitors see the latest and greatest version of your site. ✨

Best Practices for Cache Clearing 🧹

Cache clearing is like giving your WordPress site a fresh start. To keep it running smoothly, follow these best practices:

  • Regular Cache Clearing Schedule: Set up a regular schedule to clear your cache, like every week or month. This ensures your site stays up-to-date and conflict-free.

  • Exclude Specific Pages or Files: Some pages or files may not need to be cached. Exclude them from caching to prevent any potential issues or performance degradation.

  • Test Site Functionality After Cache Clearing: After clearing the cache, always test your site’s functionality to make sure everything is working as expected. This will help you catch any potential problems early on.

Troubleshooting Cache Clearing Issues 👨‍🔧

9. Common Errors and Solutions 🚨

Clearing cache can sometimes throw a wrench in the works. Don’t fret! Here are some common errors you might encounter and how to fix them:

  • “Cache not clearing” error: Check if your caching plugin is up to date and your server supports the plugin’s cache clearing method.

  • “Broken pages or errors after cache clearing”: Deactivate all plugins and reactivate them one by one to identify the culprit.

  • “White screen of death” after cache clearing: This can happen if your caching plugin conflicts with another plugin or theme. Try disabling the caching plugin and clearing the cache again.

  • “Cache clearing not working on specific pages”: Check if those pages are excluded from caching in your plugin settings.

  • “Cache clearing not working on mobile devices”: Some caching plugins may not work properly on mobile devices. Try using a different plugin or manually clearing the cache.


“Clearing your WordPress cache is like giving your website a fresh start!” 🧹

By regularly clearing your cache, you’re not only resolving issues but also ensuring your site runs at its peak performance. It’s like hitting the refresh button on your computer – everything loads faster and smoother.

Remember, a well-maintained WordPress site is a happy site. So, make cache clearing a part of your routine and watch your website soar to new heights! 🚀

About David Damstra

Business Leader and Business Developer, Project Manager and Full Stack Developer & Designer Creative Director, Brand Guardian, Minister of Company Culture Co-Author of Professional WordPress. Currently in Third Edition. Seasoned web developer using practical technology to rapidly create standards compliant dynamic websites. Experienced with web development, software development and systems and network management and consulting.