# Front-End Developer Interviews: The Crucial Aspect of Accessibility Let me start with this: Accessibility is not a buzzword; it’s a crucial feature that every web application should have. It should not be mandated by the government, but rather it should be taken as the responsibility of every developer to make their websites accessible to all users. Making a website accessible will not just help you avoid government penalties, it will also give you a wider user base. Accessibility is all about making your website accessible to everyone. On that note, let’s get this blog started - ## What is Accessibility Accessibility is ensuring that your web application is usable by people with disabilities, including people with * Visual impairment (Blindness, Colour Blindness) - * Hearing loss * Motor Impairment ( Difficulty using the mouse) * Cognitive limitation (Dyslexia, Attention Disorder) ## Accessibility Core Principle (POUR) | **Principle** | **Description** | | --- | --- | | **P**erceivable | Content must be perceivable by all (e.g., alt text, captions) | | **O**perable | All functionality must work via keyboard or assistive devices | | **U**nderstandable | Content should be readable and predictable | | **R**obust | Must work with various assistive technologies | ## How can people with disabilities use the applications | Visual impairment | Should be able to use with screen readers, VoiceOver, and Font Scaling support | | --- | --- | | Hearing loss | Close Captions for Video and Audio | | Motor Impairment | Keyboard Accessibility Support | | Cognitive limitation | Simple Language | ## Accessibility Standards ### Web Content Accessibility Guidelines (WCAG) Defines Accessibility levels as **A**, **AA** & **AAA** Read More: [https://www.w3.org/WAI/standards-guidelines/wcag/](https://www.w3.org/WAI/standards-guidelines/wcag/) ### **Accessible Rich Internet Applications (ARIA)** Adds accessibility support to non-semantic elements. Read More: [https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Reference/Attributes/aria-label) ### Americans with Disabilities Act (ADA) Legal mandate in the US for accessible digital content Read More: [https://www.ada.gov/](https://www.ada.gov/) > **AA** is the most commonly required level of compliance. ## How to make a web application Accessible ### Use Semantic Tags * Use tags like `