Performance is the key to success of any websites. And as a matter of fact, the time a web browser loading a web page takes up about 80% of the total time consumed when a visitor is accessing this page. Thus, especially for the current rich media websites or web apps, speed is extremely important. In Even Faster Web Sites, you will learn how to save the valuable website loading time, so as to make your site respond to user's requests more quickly.

PHP Objects, Patterns, and Practice, 4th Edition is suitable for intermediate/senior PHP programmers to read, also with certain help for getting started with PHP, but not much, because it puts more emphasis on helping PHPers to expand ways of thinking. For people with some work experience in PHP it has very high reference value, which can help to grasp the essence of PHP's object-oriented design and development, so as to ascend to be the high-end PHP programmer.