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To retest an accessibility fix, repeat the interaction that exposed the problem, check the relevant accessibility requirement in the affected view and state, and record what you tested and observed. Useful evidence lets another person reproduce the check and understand its impact. A focused retest supports a conclusion about that check—not, by itself, a claim that the whole product conforms to WCAG.
Set the boundary for your accessibility retest
Before testing, identify the product or component, the affected page or view, the workflow, and the relevant requirement or WCAG success criterion. Include the criterion’s WCAG version and conformance level when those apply.
Note the state in which the original issue occurred—for example, a particular dialog, form error, or navigation state—and consider whether the fix could affect other views or states. Expand the retest sample when the change reaches beyond the original scenario. W3C’s WCAG Evaluation Methodology (WCAG-EM) 2.0 sets out a broader evaluation process: define scope, explore the product, select a representative sample, evaluate it, and report findings. A targeted fix check can be narrower, provided its scope is stated clearly.
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Reproduce the original problem, then retest the fix
- Open the original issue and use its reproduction steps to identify the triggering action and state.
- Record the product or build version and the date of the check.
- Set up the relevant environment and repeat the same interaction after the fix, using the same browser, assistive technology, or other conditions where they are relevant and available.
- Compare the observed behavior with the expected accessible behavior for the specific requirement.
Keep the original scenario intact where possible: changing the steps or state may mean you are no longer checking whether the reported problem was fixed. WCAG-EM recommends documenting evaluation outcomes and notes that records can include samples, tools, browsers, assistive technologies, software, and methods used.
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Choose checks that match the criterion
Automated checks can help identify issues that a tool can detect, but they do not replace human evaluation where judgment or interaction is involved. W3C explains that testing success criteria involves both automated testing and human evaluation. It also recommends usability testing in addition to functional testing, including users with disabilities in usability test groups.
| Check type | Useful for | What to record |
|---|---|---|
| Automated checker | Issues the selected tool can detect in the tested content or state | Tool and version, the view or state scanned, and the output relevant to the issue |
| Human interaction check | Behavior that requires operating the interface or judging whether it works as intended | Interaction steps, expected and observed behavior, and the method used |
| Usability testing | Understanding how people experience a workflow, including barriers that functional checks may not reveal | Who participated in general terms, the task and conditions, observations, and any limitations |
These methods are not interchangeable. Choose based on the criterion and the interaction or state at issue, and name only the tools, browsers, assistive technologies, and user testing actually used.
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Write evidence another person can verify
A retest record should make the scope, setup, steps, and outcome understandable without requiring someone to guess what happened. Include the fields that are relevant to the check:
- Scope: product or component, exact page or view, workflow, and requirement or success criterion.
- Setup: build or product version, test date, browser, operating system, assistive technology, tools and versions, and method, as applicable.
- Reproduction: preconditions, input, and numbered steps.
- Expected and observed behavior: what should happen and what actually happened.
- Outcome: pass, fail, or blocked for this particular check, plus any remaining failure or scope limitation.
- Supporting artifact: a screenshot, short video, test output, or other evidence when it helps verify the result.
- Impact and follow-up: the effect on people using the interface and the next action; link the issue or repair record if your team uses one.
W3C’s Template for Accessibility Evaluation Reports suggests reporting the evaluation background, scope, reviewers, process, results, recommended actions, and references. WCAG-EM explains that documentation supports transparency, replicability, and justification of evaluation statements; clear issue descriptions, reproduction steps, severity, screenshots, and video can help teams resolve issues more quickly.
Reusable retest record
Check: [view or workflow and criterion]
Setup: [version, browser/OS, assistive technology or tool, if used]
Steps:
1. [Action]
2. [Action]
Expected: [observable accessible behavior]
Observed: [what happened]
Result: [pass, fail, or blocked for this check]
Evidence: [artifact link, if useful]
Impact and follow-up: [user consequence and next action]Explain failures in terms of user impact
If the check fails, state where the barrier occurs, how to reproduce it, and what it prevents or makes harder for a person using the interface. Describe practical ways to test a proposed resolution. W3C’s accessibility testing guidance recommends reporting what was evaluated, where requirements succeeded or failed, how the issue affects users, how to reproduce it, and possible ways to address it.
Keep the result scoped to the evidence. A pass means the recorded check passed under the stated conditions; it does not imply that untested pages, states, criteria, or technologies passed.
Distinguish a fix retest from a conformance claim
A formal accessibility evaluation has broader reporting needs than a focused issue retest. WCAG-EM 2.0 identifies information for a formal evaluation statement such as its date, guideline title and version, conformance level, product scope, relied-upon technologies, and accessibility support baseline. It also cautions that using the methodology alone does not in most situations establish a WCAG 2 conformance claim.
For guidance on the distinction between requirements and claims, see W3C’s Understanding Conformance. Report exactly which requirement and scenario you checked, and avoid describing a single repaired issue as proof of full-product conformance.
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