“The power of the Web is in its universality. Access by everyone regardless of disability is an essential aspect.” - Tim Berners-Lee Key Takeaways Accessibility (a11y) ensures apps are usable by everyone, including people with disabilities It improves UX, SEO, and performance, not just compliance Modern apps must support keyboard navigation, screen readers, and visual adjustments Ignoring accessibility leads to real business loss + legal risks Accessibility is not a feature - it’s a foundation Index What is Accessibility (a11y)? Why Accessibility Matters Types of Disabilities to Consider Core Principles (WCAG) Common Accessibility Mistakes Practical Implementation (Frontend + Backend) Tools for Testing Accessibility Real-World Examples Key Takeaways FAQs Conclusion What is Accessibility (a11y)?…