tailieunhanh - Internet Site Functionality Design

P erhaps the most important aspect of implementing and maintaining a Web site is making sure that it is accessible and usable by your audience. Regardless of how wonderful content is, if users cannot access the site in a timely and reliable way, they will go elsewhere for the information they seek. Therefore, it is important to know enough about the technologies that run the Internet that you can ensure that your site will meet the demands of its users. | Internet Site Functionality Design i-NET EXAM OBJECTIVES COVERED IN THIS CHAPTER J Identify the issues that affect Internet site functionality . performance security and reliability . Content may include the following Bandwidth Internet connection points Audience access Internet Service Provider ISP Connection types Corrupt files Files taking too long to load Inability to open files Resolution of graphics S Describe the concept of caching and its implications. Content may include the following Server caching Client caching Proxy caching Cleaning out client-side cache Server may cache information as well Web page update settings in browsers S Describe different types of search indexes static index site map keyword index full-text index. Examples could include the following Searching your site Searching content Indexing your site for a search Copyright 2000 SYBEX Inc. Alameda CA. erhaps the most important aspect of implementing and main- taining a Web site is making sure that it is accessible and usable by your audience. Regardless of how wonderful content is if users cannot access the site in a timely and reliable way they will go elsewhere for the information they seek. Therefore it is important to know enough about the technologies that run the Internet that you can ensure that your site will meet the demands of its users. In this chapter you will learn about several critical topics that have an impact on a site s functionality and usability Site functionality issues Technology and content-type planning Caching Site indexing Each of these major topics contributes to the overall usability of a Web site. Site Functionality Issues Internet users are a fickle bunch. Technological glitches not only harm functionality they often cost sites their reputation for usability and reliability. Everyone has given up on a Web page because it is too slow or just plain broken. What do we do if goes down We go to www . . What do we