Key deliverables for frontend development typically include:

1. Project Planning:

1. • A detailed project plan outlining the scope, timeline, and milestones of the frontend development project.

2. Requirements Specification:

1. • Clear documentation of functional and non-functional requirements based on stakeholder needs, focusing on the user interface and user experience.

3. Wireframes and Mockups:

1. • Design wireframes and mockups for the user interface, illustrating the layout and visual elements of the web pages.

4. User Interface (UI) Design:

1. • Implementation of the visual design, including the use of colors, typography, and imagery to create an appealing and consistent user interface.

5. User Experience (UX) Design:

1. • Focus on creating a seamless and enjoyable experience for users through the design of interactive and user-friendly interfaces.

6. HTML/CSS Development:

1. • Implementation of the front-end code using HTML for structuring content and CSS for styling, ensuring compatibility across different browsers.

7. JavaScript Development:

1. • Writing JavaScript code to create interactive and dynamic features on the client side, such as form validation, animations, and real-time updates.

8. Responsive Design:

1. • Ensuring that the user interface is responsive and adapts to different screen sizes and devices, including desktops, tablets, and smartphones.

9. Cross-Browser Compatibility:

1. • Testing and ensuring that the web application works consistently across various web browsers.

10. Accessibility Implementation:

1. • Implementation of features to enhance web accessibility, ensuring that the web application is usable by people with disabilities.

11. Integration with Backend:

1. • Integration of the frontend with the backend through APIs to fetch and display dynamic data on the user interface.

12. Frontend Frameworks:

1. • Utilization of frontend frameworks (e.g., React, Angular, Vue.js) for efficient and modular development.

13. State Management:

1. • Implementation of state management mechanisms to handle the application’s state and ensure a smooth user experience.

14. Code Optimization:

1. • Optimization of frontend code for performance, including minimizing load times and reducing the number of HTTP requests.

15. Browser Developer Tools:

1. • Utilization of browser developer tools for debugging and optimizing frontend code during development.

16. Testing:

1. • Rigorous testing of the frontend code, including unit testing and integration testing, to identify and fix bugs.

17. Version Control:

1. • Utilization of version control systems (e.g., Git) to track and manage changes to the frontend codebase.

18. Documentation:

1. • Comprehensive documentation that includes style guides, component documentation, and any other relevant information for future reference and maintenance.

19. Performance Monitoring:

1. • Implementation of tools to monitor frontend performance and identify opportunities for optimization.

20. Deployment:

1. • Successful deployment of the frontend code to a production environment, ensuring that it is accessible to users.

21. Training:

1. • Training materials and sessions for administrators and other stakeholders to effectively use and manage the frontend of the web application.

22. Maintenance and Support Plan:

1. • A plan for ongoing maintenance, support, and updates to ensure the continued smooth operation of the frontend.

Coming to an agreement on the abovementioned deliverables based on realistic timelines with adequate resources is in our opinion the best practice approach that contributes to the highest probability of successful development of a visually appealing, responsive and user-friendly Frontend Solutions for the targeted web applications.