optimize png for web

PNG is the image format that we often use, but do you really know about PNG?This is a front-end sharing will, a bit of cold will take you to understand the PNG you do not know. There are three first questions:What is PNG?What are the features of PNG?

Format and transparency of PNG This fireworks will be clearer, open the FIREWORKD optimization panel, and you can clearly see that PNG has 3 different depth formats: Png8, Png24, png32. Where you select Png8 in the Optimization panel,

format and transparency of PNG This fireworks will be clearer, open the FIREWORKD optimization panel, and you can clearly see that PNG has 3 different depth formats: PNG8, PNG24, PNG32. Figure 01 Where you select PNG8 in the

Process | Web page | The requirement to optimize a webpage image is to release as high a quality image as possible in the shortest transmission time. Therefore, the design and processing of web images requires the image to be as high as possible and

1. png Picture type The PNG format has 8-bit, 24-bit, 32-bit three, and the following are some of the terms: Index transparency: Similar to GIF, a pixel is only full and opaque two effects alpha transparent: Translucent PNG8 8-bit PNG supports up

With the increase in bandwidth, more and more objects are on the web page. Therefore, it is an important task to speed up the opening of the web page. There are three ways to speed up web page opening. One is to increase network bandwidth, the other

With the increase of bandwidth, the number of objects on the Web page is more and more, so it is an important topic to speed up the speed of Web page opening. Speed up the opening of the Web page, there are three paths, one is to improve network

This document consistsWww.qidian4.comPublished:Break the skyIn general, PNG images are clearer than JPG images and GIF images of the same file size, smaller than JPG distortion, and can make the image background transparent (hack plug-in is required

Project case: Deploying social networking sitesThis project is to build a dynamic Web server platform, running social networking sites (for example: Renren, net, Tianya forum). Relevant knowledge points are involved in the previous course, today's

According to an HTTP Archieve statistics, image content has accounted for 62% of the total Internet content, that is, more than half of the traffic and time are used to download images. From the perspective of performance optimization, images are