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What happens if you clear the WordPress cache?

Data about the website is momentarily kept in the cache in order to deliver it more rapidly the next time it is requested. We may erase this cache while troubleshooting. Cache clearing should not be used to speed up or optimize a website. However, sometimes we may need to clear the cache. For e.g., when making changes to the content or updating a theme/plugin. In such cases, we will usually clear the cache.

In this article, we will see what can happen if we clear the WordPress cache. Before going into it, let’s look into the details of the WordPress cache working.

WordPress Caching – Working

When a person accesses the WordPress website, a request to show the page is made to the server. The user’s browser receives the essential information from the server in the form of an HTML file (a text file format). The browser then interprets, transforms, and presents the HTML file as a web page.

When we request the site again, the same process should be carried out. However, repeating this entire process will take more time. It also uses more resources. We use a cache to avoid this. The HTML is kept in the browser’s cache. Since a copy will already be present, the caching system will only need to process and display the cache files.

There are two ways to use and implement caching in WordPress:

• Client-side caching: The static HTML pages in this kind of cache are kept on the user’s local computer. A copy is loaded from the user’s PC each time he or she accesses the site.
• Server-side caching: When we have a large website with numerous databases, server-side caching is used. Static pages are kept in RAM or the hard drive of the website server to improve efficiency.

WordPress Help can provide additional details on the working of Client-side caching and Server-side caching.

If we clear the WordPress cache, we may encounter any of the below issues:

1. The page loading speed will change
2. Most websites where we have an account will have us logged out
3. Some websites may require a re-entry of the transaction information

You can contact the WordPress help number as well to get further assistance.

[Need help with another issue? We’re available 24/7.]

Conclusion

The article provides a detailed explanation of the WordPress Cache. Lastly, it also includes the answer to the query, “What happens if you clear your WordPress cache?.”