What does caching mean? How to clear browser cache?

This article will introduce you to the knowledge of browser caching. Friends who are interested can take a look.

#What does caching mean?

Caching is like copying the original document in hand. Browser Caching is to speed up browsing. The browser stores recently requested documents on the user's disk. When the visitor requests again When this page is displayed, the browser can display the document from the local disk, which can speed up page browsing. The caching method saves network resources and improves network efficiency.

Suppose it takes you 5 seconds to load a page you have read once. It also takes 5 seconds to read the same page, but if there is a cache on the browser, you can see the display faster. web page.

Next I will introduce the problems that may occur if the cache is not cleared.

As I mentioned at the beginning, the term "clear cache" is a term that can be heard often on web development websites.

These cached files will be permanently saved on the machine. Within a specific period of time, these files may be of great help to you, but over time, we no longer need to browse these previous web pages. These files become invalid or useless files. They will only take up space on the user's hard drive without any use.

So we need to clear the cache again.

Depending on the browser, the cache will be automatically deleted, but this depends on the storage capacity of the cache.

How to clear cache?

Although browsers vary, I think most can be deleted from the browsing history menu.

Here, I will introduce how to delete Chrome cache.

Click the three dots on the right side of the Chrome browser—> Select more tools—> Clear the browser cache (Ctrl Shift Del)

Then you will see the following Interface

#Select the data you want to clear and click Clear Data.

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