WebApp Design Quality

WebApp Design Quality

• Introduction:
• There are essentially two basic approaches to design:
• The artistic ideal of expressing yourself
• The engineering ideal of solving a problem for a customer.
• Design is the engineering activity that leads to a high-quality product. This leads us to a recurring question that is encountered in all engineering disciplines: What is quality?

• Some other quality attributes
• Security
• WebApps have become heavily integrated with critical corporate and government databases. E-commerce applications extract and then store sensitive customer information. 
• Rebuff (Reject) external attacks
• Exclude unauthorized access
• Ensure the privacy of users/customers
• Availability
• The measure of the percentage of time that a WebApp is available for use.
• Scalability
• Can the WebApp and the systems with which it is interfaced handle significant variation in user or transaction volume… If numbers of users are extend…
• Time to Market 
• although time-to-market is not a true quality attribute in the technical sense, it is a measure of quality from a business point of view.