Accessibility means making a website usable by everyone. That includes being able to navigate with a keyboard, having alt text on images, correct labels, and a sensible heading order.
Accessibility isn't an "extra feature." It's the foundation of design that genuinely respects the user.
html
<button type="button" aria-label="Close menu">×</button>
<img src="chart.png" alt="Sales increased by 30 percent in April">
<label for="search">Search tutorials</label>
<input id="search" type="search" name="q">You should see
Your HTML will become easier for screen reader and keyboard users to understand.