A proper web accessibility audit rarely starts with a scanner tool spitting out a color-coded report. It starts with someone navigating the website like an actual visitor sf website design, which sounds obvious until you realize how often that step gets skipped entirely.

The Work That Comes Before the Accessibility Report
An auditor typically starts with a website crawl, mapping out page templates and content types instead of manually reviewing every URL. A blog with eight hundred posts doesn't need a separate manual review of every article. It needs its five or six underlying templates checked properly, since most issues appear repeatedly across pages using the same layout.
Keyboard-only navigation gets checked near the beginning of the audit. Mouse aside, can every interactive element be accessed and operated entirely through keyboard controls? Dropdown menus, modal popups, and custom sliders trip up more sites than anyone expects, mostly because developers often create the visual interaction first and consider keyboard access later, if at all.
Severity Ratings Aren't All Equal
Not every finding carries the same weight. A missing alt tag on a decorative background image may have little practical impact. A missing label on a checkout form's credit card field can block a transaction entirely for someone using a screen reader. Good audits prioritize issues according to their real-world effect, not just by the number of times an automated scanner identifies the same issue.
Some auditors dump three hundred flagged items into a spreadsheet with zero prioritization. That's not helpful. It's overwhelming, and it usually gets a business nowhere because nobody knows where to start.
A Good Accessibility Report Should Be Actionable
A finding that says "insufficient color contrast, element 4.2.1" without a screenshot or a plain explanation forces a developer to spend time figuring out what the finding actually refers to. Good documentation includes the affected element, relevant screenshot, applicable WCAG success criterion, and a practical remediation recommendation, written in language a developer can understand and implement without having to interpret complicated legal terminology.
Retesting after fixes matters too. Skipping that step is like having dental work completed and never checking whether the repair remained effective. Sometimes fixes introduce new problems nobody caught the first time around, and only a follow-up review catches that.