Processing

Client-Side Processing

• Pre-processing prior to server communication
• Interactivity

Java-Script

• Run in-browser
• Enables users to have a better web experience
• Better website functionality

Advantages

• More immediate interactivity
• Quick execution
• Removes unnecessary server processing
• Data cannot be intercepted
  • Enables encryption prior to sending

Disadvantages

• Not all browsers support JavaScript
• Dependent on machine performance
• Different browsers process scripts in different ways

Application Programming Interface (API)

• Processed by the client
• Responded to by the relevant server

Server-Side Processing

• Handles user input (additional layer of validation)
• Displays pages
• Structure web applications
• Interact with permanent storage including databases

Advantages

• Client may not always have the capacity to enact (i.e., provide the data)
• Holds sensitive information, prevents the client from having it
  • Some information may be protected by law
• Additional validation
  • JavaScript an be easily circumvented
  • Requests can be falsified

Disadvantages

• Additional server load
  • Higher costs
• Delay due to connection time (ping)