How Do I Clear My WordPress Cache Without Plugins

Sep 14, 2023 | Web Development

If you’re a WordPress user looking to clear your website’s cache without relying on plugins, you’re in luck! In this article, we’ll explore different methods to help you clear your WordPress cache effortlessly. Whether you’re a beginner or an experienced user, these methods will provide you with easy-to-follow instructions, so you can quickly improve your website’s performance. Say goodbye to sluggish loading times and hello to a faster, more efficient WordPress site!

How Do I Clear My WordPress Cache Without Plugins

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Table of Contents

Understanding WordPress Cache

What is WordPress Cache?

WordPress cache refers to the temporary storage of data on a website. When a user visits a webpage, WordPress retrieves various information from the database and generates the page dynamically. This process can be time-consuming and resource-intensive. To improve performance, WordPress cache stores a static version of the generated page. When subsequent users visit the same page, the cached version is delivered quickly instead of going through the entire dynamic generation process.

Why is Cached Data Important?

Cached data plays a crucial role in speeding up website performance. By serving static content, it significantly reduces the server load and decreases the time it takes to load a webpage. This results in a better user experience, improved search engine rankings, and higher conversion rates. Cached data helps handle high traffic volumes, reduces bandwidth usage, and saves server resources.

Impact of Cache Data on Site Performance

Cache data has a profound impact on site performance. Quicker page load times lead to reduced bounce rates, higher user engagement, and increased visitor retention. With faster load times, users are more likely to continue browsing your site and complete desired actions such as making a purchase or submitting a contact form. Additionally, search engines like Google consider site speed as a ranking factor, so a faster website can lead to better search engine visibility.

Reason for Clearing WordPress Cache

Site Performance Issues Due to Cache

While cache improves site performance, it can sometimes cause issues. If the cached content becomes outdated or corrupted, it may result in slow page loading, broken links, or missing images. Clearing the WordPress cache can help resolve these performance issues by forcing the system to generate fresh cache files and eliminate any potential errors.

Changes Not Reflecting After Update

Another common reason for clearing the WordPress cache is when changes made to the website, such as updating a theme or a plugin, are not reflecting on the front end. This occurs because the cached version still remains in place. By clearing the cache, you ensure that the latest updates are displayed correctly to users.

Navigating Cache-Related Errors

Cache-related errors can occur when the cached version of a page is corrupted. These errors can manifest in various ways, such as 500 Internal Server Error or the infamous White Screen of Death (WSOD). Clearing the cache helps troubleshoot such errors by removing any corrupt or problematic cache files that may be causing the issue.

Troubleshooting WordPress Issues by Clearing Cache

In some cases, when you encounter unexplained issues on your WordPress website, such as missing content or broken functionality, clearing the cache can act as a quick troubleshooting step. By eliminating any potential cache-related problems, you can narrow down the source of the issue and potentially find a solution more efficiently.

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Clearing WordPress Cache Through Browser

Clearing Cache on Google Chrome

To clear the cache on Google Chrome, follow these steps:

  1. Open Chrome and click on the three-dot menu icon in the top-right corner.
  2. Select “More tools” and then “Clear browsing data.”
  3. In the pop-up window, make sure “Cached images and files” is selected.
  4. Choose the appropriate time range (e.g., “Last 24 hours” or “All time”).
  5. Click on the “Clear data” button.

Clearing Cache on Mozilla Firefox

To clear the cache on Mozilla Firefox, follow these steps:

  1. Open Firefox and click on the three-line menu icon in the top-right corner.
  2. Select “Options” and go to the “Privacy & Security” tab.
  3. Scroll down to the “Cookies and Site Data” section.
  4. Click on the “Clear Data” button.
  5. Make sure “Cached Web Content” is selected.
  6. Click on the “Clear” button.

Clearing Cache on Safari

To clear the cache on Safari, follow these steps:

  1. Open Safari and click on “Safari” in the top menu bar.
  2. Select “Preferences” and go to the “Advanced” tab.
  3. Check the option that says, “Show Develop menu in menu bar.”
  4. Close the preferences window and click on “Develop” in the top menu bar.
  5. From the drop-down menu, select “Empty Caches.”

Clearing Cache on Internet Explorer

To clear the cache on Internet Explorer, follow these steps:

  1. Open Internet Explorer and click on the gear icon in the top-right corner.
  2. Select “Internet Options” from the dropdown menu.
  3. Go to the “General” tab and under “Browsing history,” click on “Delete.”
  4. Make sure “Temporary Internet files and website files” is selected.
  5. Click on the “Delete” button.

Clearing Cache on Microsoft Edge

To clear the cache on Microsoft Edge, follow these steps:

  1. Open Microsoft Edge and click on the three-dot menu icon in the top-right corner.
  2. Select “Settings” and go to the “Privacy, search, and services” tab.
  3. Under the “Clear browsing data” section, click on “Choose what to clear.”
  4. Ensure that “Cached data and files” is selected.
  5. Click on the “Clear” button.

Clearing WordPress Cache Through Web Hosting

Finding Cache Settings in Hosting Dashboard

Different web hosting providers offer various cache management options within their hosting dashboards. To find cache settings:

  1. Log in to your hosting account.
  2. Navigate to the hosting dashboard or control panel.
  3. Look for cache-related options or settings.
  4. Depending on your hosting provider, you may find options like “Cache Management,” “Caching Settings,” or “Performance Optimization.”

Clearing Cache through cPanel

If your hosting provider uses cPanel, follow these steps to clear the cache:

  1. Log in to cPanel.
  2. In the “Software” section, look for “Optimize Website” or “Cache Manager.”
  3. Click on the respective option to access the cache management interface.
  4. Follow the instructions provided to clear the cache.

Clearing Cache through Cloudflare

If your website uses Cloudflare as the content delivery network, follow these steps to clear the cache:

  1. Log in to your Cloudflare account.
  2. Select your website from the dashboard.
  3. Go to the “Caching” section.
  4. Click on the “Configuration” tab.
  5. Scroll down to the “Purge Cache” section and click on either “Purge Everything” or “Purge Individual Files.”
  6. Follow the prompts to clear the cache.

Clearing Cache through SiteGround, Bluehost, etc.

Web hosting providers like SiteGround and Bluehost offer their cache management solutions. If you are using such hosting services, refer to their knowledge base or support documentation to find instructions specific to your provider. Look for options like “SuperCacher” (SiteGround) or “Caching Manager” (Bluehost).

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Clearing WordPress Cache Using FTP

Accessing Site Files via FTP

To clear the WordPress cache using FTP (File Transfer Protocol), you will need an FTP client and the FTP login credentials for your website. Follow these steps:

  1. Download and install an FTP client like FileZilla.
  2. Launch the FTP client and enter your website’s FTP credentials (host, username, password, and port).
  3. Click on the “Connect” button to establish a connection with your website’s server.

Locating Cache Folder

Once connected via FTP, you need to locate the cache folder. The cache folder’s location may vary depending on the caching plugin or setup you have. Common locations include:

  • /wp-content/cache/
  • /wp-content/cache/supercache/
  • /wp-content/plugins/your-caching-plugin/cache/

Navigate through the directories to find the cache folder relevant to your installation.

Deleting Cache Files

Once you have found the cache folder, select all the cache files within it. You can either delete them or move them to a different location on your local machine for backup purposes. Right-click on the selected files and choose the “Delete” option to remove them from the server.

Be Careful Not to Delete Important Files

While clearing the cache, ensure that you are only deleting the cache files and not any critical system or website files. Take caution to avoid accidental deletion, as deleting important files may result in a broken website or loss of data. If you are unsure about a file’s purpose, it’s best to consult with a web development professional or your hosting provider for guidance.

Purging Varnish Cache

Understanding Varnish Cache

Varnish Cache is a popular caching solution used to speed up websites. It sits in front of the web server and stores a copy of the server’s responses to client requests. Varnish Cache helps serve the cache content directly, reducing the load on the web server and improving overall performance.

Finding Varnish Cache Settings

To clear the Varnish cache, you need to locate the Varnish cache settings. These settings might reside within your hosting dashboard, in a separate Varnish management panel, or in your website’s configuration files. Check the documentation provided by your hosting provider or consult their support team for guidance specific to your setup.

Procedure to Clear Varnish Cache

After finding the Varnish cache settings, follow the provided instructions to clear the cache. Typically, there will be an option to “purge” or “flush” the cache. Clicking on this option will remove all cached content from the Varnish Cache, forcing the server to generate fresh content for subsequent requests.

Verifying If Cache is Cleared

To ensure that the Varnish cache has been successfully cleared, you can perform a simple test. Access any page on your website using a web browser and check if the previously cached content is no longer served. If the page loads with the latest changes and does not show any outdated information, it indicates that the Varnish cache has been cleared successfully.

How Do I Clear My WordPress Cache Without Plugins

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Clearing WordPress Object Cache

Understanding Object Cache

In addition to page caching, WordPress also utilizes an object cache that stores data retrieved from the database temporarily. The object cache helps improve performance by reducing the need to query the database repeatedly for the same data. Clearing the object cache allows WordPress to fetch fresh data and ensures that the website reflects the most up-to-date information.

Clearing Object Cache from Your Database

To clear the object cache, you can use a plugin like WP-CLI or manually delete the cache entries from the database. For manual clearance:

  1. Access your website’s hosting account and open phpMyAdmin or a similar database management tool.
  2. Select the WordPress database from the left sidebar.
  3. Look for the table with a name similar to wp_options or your-prefix_options.
  4. Click on the “Browse” or “Search” tab within the table.
  5. Locate the cache-related entries, usually labeled with names like wp_cache or containing the term object_cache.
  6. Select the cache entries and choose the “Delete” or “Empty” option to remove them from the database.

Verifying If Object Cache is Cleared

You can verify if the object cache has been successfully cleared by visiting your website and checking if the changes or updates are reflected correctly. If the website shows the latest data, it indicates that the object cache has been cleared successfully. If not, you may want to consider restarting the web server or contacting your hosting provider for further assistance.

Clearing Cache from WordPress Admin

Accessing Admin Settings

To clear the cache from the WordPress admin dashboard, follow these steps:

  1. Log in to your WordPress admin panel.
  2. Navigate to the “Settings” menu.
  3. Look for options related to cache, such as “Cache,” “Performance,” or “Caching.”

Identifying Cache Settings

Once you locate the cache settings, you may see options like “Clear cache,” “Purge cache,” or similar language depending on the plugin or caching solution you are using. The specific wording of the cache-clearing option may vary, so carefully read the available settings to identify the cache-related functions.

Clearing Cache from Options

Click on the cache-clearing option provided in your WordPress admin dashboard. This action will trigger the cache clearance process, removing all the cached files associated with your WordPress installation. The clearing process may take a few moments, depending on the size of the cache files and your server resources.

Verifying Successful Cache Clearance

After clearing the cache from the WordPress admin, check your website to ensure that the cache has been successfully cleared. Visit various pages, check for the latest content, and confirm that any changes or updates you made are visible. If the website displays the updated information, it indicates that the cache clearance was successful.

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Preventing Future Cache Problems

Regular Cache Maintenance

To prevent cache-related issues, it is essential to perform regular cache maintenance. Keep an eye on your cache settings, especially after making updates, and ensure that the cache is cleared or refreshed as necessary. A proactive approach to cache management will help maintain optimal website performance.

Avoiding Plugin Overload

Using too many caching plugins can lead to conflicts and complicate the cache management process. Avoid installing multiple caching plugins simultaneously or using conflicting caching methods. Choose a reliable caching solution and stick with it for consistent performance and ease of cache maintenance.

Monitoring Site After Making Changes

After making any changes to your website, such as updating themes, plugins, or content, monitor your site closely. Keep an eye out for any unusual behavior or cache-related issues. Regularly check your website from different devices and browsers to ensure that all the changes are applied correctly and the cache is functioning as expected.

Using Best Practices in Web Development

Adhering to best practices in web development can help minimize cache-related problems. Optimize your website’s code, images, and scripts to reduce load times. Use a caching plugin or solution recommended by experts. Regularly update your WordPress installation, themes, and plugins to ensure compatibility with the latest caching techniques.

Risks of Clearing WordPress Cache

Potential Downtime During Cache Clearance

Clearing the WordPress cache might temporarily affect your website’s availability. During the cache clearance process, the server needs to regenerate the cache files, resulting in increased server load and potential downtime. While this downtime is usually minimal, it’s important to plan cache clearance during periods of low traffic or inform users about any temporary disruptions.

Temporary Performance Issues

As the cache is cleared, the server needs to rebuild the cache files for subsequent requests. This process may momentarily slow down website performance, especially for first-time visitors who don’t have the advantage of cached content. However, these performance issues should resolve once the cache is rebuilt and subsequent requests benefit from the newly created cache files.

Possible Loss of Non-saved Data

Clearing the cache can lead to the loss of non-saved data entered by users on your website. For example, if a user fills out a form but hasn’t submitted it before the cache clearance, their progress may be lost. It’s essential to inform users about potential data loss and encourage them to save their work before the cache clearance process.

Tips on Mitigating Risks

To mitigate the risks associated with cache clearance, consider the following tips:

  1. Schedule cache clearance during periods of low traffic to minimize the impact on users.
  2. Use a caching solution that allows you to bypass or exclude critical pages from the cache, such as login or checkout pages.
  3. Implement data autosave functionality in forms or other areas where user input may be lost.
  4. Communicate cache clearance schedules and potential impacts to users, informing them to save their work or expect temporary disruptions.

By following these practices, you can reduce the risks associated with cache clearance and ensure a smooth experience for both website administrators and users.

In conclusion, understanding WordPress cache and knowing how to clear it effectively is crucial for maintaining optimal website performance. Whether through browser settings, web hosting dashboards, FTP, or WordPress admin settings, clearing the cache ensures that your website’s visitors experience the most up-to-date content, resulting in improved performance, better user experiences, and increased conversions. By taking proactive measures and following best practices, you can prevent cache-related issues and maintain a fast and responsive WordPress website.

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