Accessibility sounds technical, but the core ideas are simple: can everyone actually use your site, regardless of how they browse it.
Text needs sufficient contrast against its background to be readable, particularly for visitors with low vision or in bright light on mobile. This is checkable with free tools and is usually a quick, no-code fix once identified.
Alt text describes an image to screen reader users and to search engines when an image fails to load. Decorative images can be left blank, but anything conveying real information needs a genuine, specific description.
Some visitors navigate entirely by keyboard, not a mouse — every interactive element (links, buttons, form fields) needs to be reachable and usable via keyboard alone, which is worth testing directly rather than assuming.
A logical heading hierarchy and predictable layout help screen reader users understand and navigate a page efficiently — the same structure that also, incidentally, tends to help search engines and every other visitor too.
Find out how accessible your own site actually is.
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