Functional requirements of E-commerce Website with non-functional

Functional Requirements

1. User Management:
   • User Registration and Authentication: Allow users to create accounts, log in, and manage their credentials securely.
   • User Profiles: Enable users to view and edit their personal information, addresses, and payment methods.
   • Password Management: Provide functionality for users to reset forgotten passwords and update passwords securely.
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2. Product Management:
   • Product Catalog: Display a searchable and filterable catalog of products with detailed descriptions, images, prices, and availability.
   • Product Categories: Organize products into categories and subcategories for easier navigation.
   • Product Reviews and Ratings: Allow customers to leave reviews and rate products.
3. Shopping Cart and Checkout:
   • Shopping Cart: Enable users to add, remove, and edit items in their cart, view cart contents, and see pricing details.
   • Checkout Process: Provide a streamlined checkout process that includes address entry, shipping options, payment processing, and order review.
   • Order Confirmation: Send order confirmation emails with details and a summary of the purchase.
4. Payment Processing:
   • Payment Gateway Integration: Integrate with payment gateways to handle transactions securely (e.g., credit/debit cards, PayPal).
   • Secure Transactions: Ensure that payment information is processed securely with encryption and compliance with PCI-DSS standards.
5. Order Management:
   • Order Tracking: Allow users to track the status of their orders, including shipping and delivery updates.
   • Order History: Provide users with access to their past orders and receipts.
   • Order Management for Admins: Enable administrators to view, process, and manage customer orders, including handling returns and refunds.
6. Search and Navigation:
   • Search Functionality: Implement a search feature to help users find products quickly using keywords, filters, and sorting options.
   • Navigation: Design intuitive navigation menus and links to enhance user experience and ease of finding products.
7. Customer Support:
   • Contact Forms and Live Chat: Provide contact forms, live chat, and/or customer support tickets for user inquiries and support.
   • Help Center: Include a help center or FAQ section with answers to common questions.
8. Promotions and Discounts:
   • Discount Codes and Coupons: Allow users to apply discount codes and coupons during checkout.
   • Special Offers: Highlight ongoing promotions, sales, and special offers on the website.
9. Content Management:
   • CMS Integration: Implement a content management system (CMS) for easy management of website content, blog posts, and promotional banners.
   • Dynamic Content: Support dynamic content updates such as featured products, banners, and announcements.
10. Analytics and Reporting:
    • Sales Reports: Generate reports on sales performance, customer behavior, and product popularity.
    • User Analytics: Track user behavior, conversion rates, and site traffic to inform marketing and optimization strategies.

Non-Functional Requirements

1. Performance:
   • Response Time: Ensure fast load times for pages, product searches, and checkout processes.
   • Scalability: The website should handle increased traffic and transactions, especially during peak times or sales events.
2. Reliability:
   • Availability: Maintain high uptime with minimal disruptions to ensure the website is always accessible.
   • Fault Tolerance: Implement mechanisms to handle system failures and recover from disruptions quickly.
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3. Usability:
   • User Interface: Design a clean, intuitive interface that provides a seamless shopping experience across devices.
   • Accessibility: Ensure the website is accessible to users with disabilities, following web accessibility standards (e.g., WCAG).
4. Security:
   • Data Protection: Encrypt sensitive user data and ensure secure handling of payment information.
   • Authentication and Authorization: Implement robust authentication mechanisms and role-based access control to protect user accounts and administrative functions.
   • Compliance: Adhere to relevant data protection regulations (e.g., GDPR, CCPA) to safeguard user privacy.
5. Maintainability:
   • Code Quality: Maintain high-quality, well-documented code to facilitate updates, debugging, and future enhancements.
   • System Updates: Support regular updates and patches to address vulnerabilities and improve functionality.
6. Compatibility:
   • Cross-Platform Support: Ensure compatibility with various operating systems and devices (e.g., desktops, tablets, smartphones).
   • Browser Compatibility: Ensure the website works across major web browsers (e.g., Chrome, Firefox, Safari, Edge).
7. Backup and Recovery:
   • Data Backup: Regularly back up website data, including product information, user accounts, and transaction records.
   • Disaster Recovery: Have a disaster recovery plan in place to restore operations and data in case of major issues.
8. Legal and Compliance:
   • Privacy Policy: Clearly state privacy policies and terms of service to comply with legal requirements and build user trust.
   • Regulatory Compliance: Ensure the website complies with e-commerce regulations, including consumer protection laws and online transaction standards.