Accessibility is not a feature added at the end. It is a set of habits that make a product usable for more people, in more situations, on more devices.
Think beyond permanent disability. A broken arm, bright sunlight, a noisy train or a slow connection all create the same barriers, and the fixes help everyone at once.
Contrast, Size and Structure
Check text contrast, keep tap targets large, and use real headings and landmarks. These three habits fix a large share of the problems people meet every day.
Never rely on colour alone to carry meaning. Pair it with an icon, a label or a pattern so an error or a status is clear to someone who cannot tell the colours apart.
Write text that stays readable when zoomed to 200 percent. If the layout breaks at that size, a lot of people cannot use it.
Kanta Kujenos
“Designing for the edge of your audience usually makes the product better for everyone in the middle.”
Test With the Keyboard
Put your mouse aside and try to finish a task. If you cannot see where focus is or cannot reach a control, a screen reader user will not be able to either.
Make focus visible, keep the tab order in the same order as the page reads, and make sure dialogs trap focus and return it when they close.
Add a screen reader to your checks once a sprint. Ten minutes of listening to your own page reveals missing labels faster than any audit.
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