What does browser caching mean?

##What is browser cache ? I believe many people have heard of browser caching, but some people don’t know much about browser caching. Let’s summarize what browser caching means?

1: What is caching

We often talk about caching. Caching is generally based on the browser. Yes, when we visit the website for the first time, the program will download the images and data on the website to the computer. If we visit the website again, the website will be loaded directly from the local computer. This is cache.

2: What does browser caching mean?

Browser caching is to save resources and speed up browsing the website. When the user visits the web page for the first time At that time, the browser saves the requested document on the user's disk. When the user accesses it for the second time, it will be displayed directly from the local area, thus improving the speed of accessing the page.

3: Why should we clear the cache

When we want to modify the pictures or text on the website, after changing our pictures and want to see the effect, visit , the original picture may appear, and we will think that the replacement was not successful. In fact, this is the reason why the browser downloads the old picture to the c drive.

Four: How to clear the cache

Open the browser, in the upper right corner of the browser, the options of our tool, in the tool There is an Internet below. In the temporary Internet files, we click to delete the file to clear the cache. Of course, we can also use the ctrl h shortcut to open the cached page and click to clear the cache.

The above is the complete introduction to learning what browser caching means. For more information, please pay attention to the php Chinese website.

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