HTTP Protocol

  1. HTTP Methods
    1. Method Properties
      1. Safe Methods
        1. Definition of Safety
          1. GET Method
            1. HEAD Method
              1. OPTIONS Method
                1. TRACE Method
                2. Idempotent Methods
                  1. Definition of Idempotency
                    1. PUT Method
                      1. DELETE Method
                        1. Safe Methods as Idempotent
                        2. Cacheable Methods
                        3. Standard Methods
                          1. GET Method
                            1. Retrieving Resources
                              1. Query Parameters
                                1. Caching Behavior
                                2. POST Method
                                  1. Creating Resources
                                    1. Form Submissions
                                      1. Non-Idempotent Nature
                                      2. PUT Method
                                        1. Replacing Resources
                                          1. Complete Resource Updates
                                          2. DELETE Method
                                            1. Removing Resources
                                            2. HEAD Method
                                              1. Retrieving Headers Only
                                                1. Use Cases
                                                2. OPTIONS Method
                                                  1. Discovering Supported Methods
                                                    1. CORS Preflight
                                                    2. PATCH Method
                                                      1. Partial Resource Updates
                                                      2. TRACE Method
                                                        1. Diagnostic Purposes
                                                        2. CONNECT Method
                                                          1. Tunneling Support

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                                                      4. Structure of HTTP Requests

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                                                      6. Structure of HTTP Responses