Scalability and Performance Hints
With a survey of HTTP and its efficiency features under our belts, it's now time to consider specific strategies that encourage scalability and high performance for any Web application.
Use GET and POST Judiciously
An application designer has the ability to determine how data queries and updates are processed. As we've discussed, its best to require POST requests only when there are going to be side effects of the communication—that is, data will be updated on the server. If not, you are strongly encouraged to code your HTML input forms for GET requests because of GET's tight integration with the HTTP 1.1 caching ...
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