Unit 20.2. Designing for Performance

Performance Issues

When the Internet was in its infancy, Web pages were comprised mainly of static HTML files stored on a server. When a request came in for a particular page, the Web server would locate the page and send it to the calling browser. This was adequate to meet the expectations of users at that time in terms of content and performance.

Then the Internet experienced explosive growth in the number of users, and users’ expectations of the Internet also grew. Static HTML files no longer were sufficient to meet the needs of Web sites and users. For example, users demanded pages with personalized features for shopping, or pages with fresh content that take too long to maintain if static pages are ...

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