User experience promotion Another method for front-end optimization (i)

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In A5 read a lot of people write articles, it has a common starting point, which is the user experience, what is the user experience it? The best way to understand this is when a user enters a website and the page is fed back to the brain by the user's first sensation. Many people improve the user experience basically only talk about the layout of their site, and color after the content of the rich. This kind of method is indeed to enhance the user experience degree of force method, especially content this one level. A good article to add some pictures its readability is obvious to all.

Today in the A5 search box to see the lower end of the article on the optimization of less, so the author deliberately to optimize the front-end some of the experience to share. To understand the front-end optimization, we must first understand its ultimate goal, because every thing we do is purposeful. To do anything without purpose is meaningless.

One: Why front-end Optimization:

1. From the user's point of view, optimization can make the page load faster, the user's operations respond more timely, to provide users with a more friendly experience. Because a fast Web site reduces user latency, this is also an essential way to improve the user experience.

2. From a service provider perspective, optimization can reduce the number of page requests, or reduce the bandwidth of the request, can save considerable resources. From this point of view, in order to reduce the waste of resources, after all, we often said: waste shameful.

Second, how to optimize the front-end:

The method of front-end optimization is very large. But roughly basically divides into two kinds, one is the content page code level optimization, the second is the Web service side optimization. Let's start today. Optimization of content page optimization

1, reduce the number of HTTP requests:

2, resource merging and compression processing

3. css sprites merge CSS pictures, reduce the number of requests another good way.

4. Inline Images uses Data:url scheme to embed a picture in a page or CSS, which is a good idea if you don't consider resource management issues. If it's an embedded page, it will increase the volume of the page, and it won't take advantage of the browser cache. Using pictures in CSS is more desirable.

5, script base, etc.

Front-end optimization in the first part of the general summary of these points, there are many other ways. Because the space is too large, the sun must be optimized on the Web server. Specific methods of operation, such as the site after the revision of the screenshot of the text to share, to achieve the purpose of understanding.

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