| Criteria | 1 (Poor) | 2 (Fair) | 3 (Good) | 4 (Very Good) | 5 (Excellent) | |---------------------|-------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------|------------------------------------------------------------------------------|------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------| | **Functionality** | The application does not function; tasks cannot be added, edited, or deleted. | Basic functionality exists but with significant errors. | Manages tasks correctly with minor bugs. | All functionalities are implemented correctly with only negligible issues. | Performs flawlessly with all tasks being managed smoothly without any errors. | | **User Interface** | The UI is non-functional, confusing, or extremely difficult to navigate. | The UI functions, but is not intuitive or visually appealing. | The UI is adequately designed and navigable with some aesthetic issues. | The UI is well-designed, attractive, and mostly intuitive. | The UI is exceptionally well-designed, highly intuitive, and responsive across devices. | | **Code Quality** | The code is poorly organized, lacks comments, and does not follow standard practices. | Some organization and comments are present, but the code lacks best practices. | The code is generally well-organized and commented, with minor deviations. | The code is very well-organized, effectively commented, and adheres to best practices with minor exceptions. | The code is exemplary in organization, fully commented, and strictly adheres to best practices. | | **Error Handling** | No error handling is implemented; the application often crashes or behaves unpredictably. | Minimal error handling is present, but it does not cover many potential issues. | Adequate error handling that covers most common issues but may not provide helpful feedback. | Good error handling with useful feedback on errors, missing only a few edge cases. | Comprehensive and robust error handling with clear, helpful user feedback for all errors. | | **Security** | No security measures; the application is vulnerable to common attacks such as SQL injections or XSS. | Minimal security measures are implemented; significant vulnerabilities remain. | Basic security practices are in place; some user data may still be at risk. | Strong security practices, with minor areas for improvement. | Excellent security practices, ensuring data integrity and protecting against all common vulnerabilities. | | **Scalability and Performance** | The application performs poorly even with a few tasks and does not scale. | Performance issues are evident as tasks increase; scalability is limited. | Adequate performance under normal conditions; starts to degrade with high volumes of tasks. | Performs well under most conditions; only minor issues when scaling up. | Excellent performance and scalability, handling a large number of tasks efficiently without degradation. |