Several ways to speed up Web pages

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The Quick Display page is the key to the site to retain users, not only to enhance the user experience, but also to the search engine rankings to bring benefits. In the actual construction of the station process, the Web page speed depends on a number of factors, as a qualified webmaster, to minimize the impact of their own reasons.

Minimizing HTTP Requests

Each object in a Web page requires a roundtrip server once, an HTTP request and a response. Each object introduces an indeterminate delay, minimizing the number of objects in the page, and minimizing the number of HTTP requests required to render the page. Common methods include optimizing CSS and JavaScript files, converting pictures to text, and so on.

Adjust and optimize picture size

The picture is usually the largest part of the page to display the resources, in the display effect and display speed between the choice between the need for webmaster to their own site has a clear positioning, most of the site needs to optimize and adjust the picture. The usual methods are to resize the picture to exactly the size you want, specify the height and width of the picture, and replace GIF and JPEG with a PNG picture, use a CSS sprite, and so on as much as possible.

Rational use of JavaScript, optimizing execution speed and file size

Try not to use JavaScript on the head of a Web page, and using CSS and server-side technology instead of JavaScript can also improve the speed of your Web page. You can reduce the number of bytes by abbreviated the object name, variable name, and function name, so that JavaScript is optimized to the minimum. You can also use the javascript/html formatting tool in Webmaster tools to automatically abbreviate and optimize blank scripts. If you want to analyze JavaScript performance, you can use the JavaScript debugger in Mozilla.

Using CSS Scientifically

Using CSS design pages can significantly reduce the number of tags, usually between 25% and 50%. The layout with Div and CSS is more efficient than tables, it avoids all the hassle of maintenance and helps optimize HTML. When using CSS, it is best to avoid using computationally intensive and frequent CSS expressions, preferably on the head of a Web page, to help with the rendering speed of a Web page.

There is also a use of content distribution networks (CDN) and enabling gzip compression, etc., which can also help to improve the speed of web pages.

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