In the last decade or so internet and web applications haves gained a tremendous popularity and usage. Every body is trying to shift from conventional desktop applications to globally accessible and easy to use web solutions, Maintenance of web applications is a very critical issue they tend to change much frequently than conventional applications.

1. Introduction 1.1 When is a website a web application 1.2 Types of web applications 1.3 Differences between web applications and conventional applications 2. Literature Review 2.1 Basic architecture of web applications 2.2 Web application architecture view 2.3 Web application architecture models 3. Research Methodology 3.1 Maintainability of web application architecture framework 3.2 Planning architecture planner's perspective 3.3 Business architecture business owner's perspective 4. Conclusion.