Plenty of companies book website accessibility services thinking mainly about lawsuits, then walk away realizing the bigger win was reaching customers they'd been quietly locking out for years. That shift in thinking tends to happen sf website design early in the project, right when the first user testing session runs.
Accessibility Covers More Ground Than Screen Readers Alone
Most people hear "accessibility" and picture a blind user with a screen reader. That's only one part of the picture. Low vision users may enlarge pages significantly and need layouts that remain usable at high zoom levels. Motor impairments mean some visitors navigate entirely by keyboard, tabbing through links one at a time, no mouse in sight. Cognitive differences mean cluttered pages with flashing banners and walls of text lose people fast, accessibility issue or not.
Color blindness affects roughly one in twelve men. That's not a minor edge case. That's a decent chunk of any site's male traffic missing information conveyed purely through color, like a red asterisk marking a required form field with no additional indication that the field is required.
Automated Testing Isn't Enough for Accessibility
Automated scanners can identify only a portion of real-world accessibility problems. They're a useful initial check because they're relatively fast and affordable, but they miss things like whether assistive technology communicates a button's purpose clearly or simply announces "button" without useful context.
Manual testing with real assistive technologies, screen readers, and keyboard-only navigation surfaces problems no automated tool flags. Watching someone struggle through a checkout flow because the "submit order" button never announces itself is humbling. It reframes the whole project from a compliance checklist into something that feels more human.
Why Small Accessibility Improvements Can Make a Big Difference
Heading structure may seem unimportant until you realize screen reader users often navigate between headings to scan content in much the same way sighted users visually scan a page. A page with no proper heading hierarchy forces someone to move through the content sequentially without the shortcuts provided by meaningful headings.
Focus indicators, that little outline showing where keyboard focus currently sits, get stripped out by designers chasing a cleaner look more often than you'd think. Removing them may make a design appear cleaner. It also can leave keyboard users without a reliable way to tell where they are, with little or no indication of which link, button, or form control currently has focus.