benchmark

WebAIM One Million

Recurring WebAIM study that runs automated accessibility checks against the home pages of the one million most-visited websites and publishes the failure rates and most common defect types it finds.

Known aliases

One Million report
WebAIM One Million report

Relationships

No evidence-backed relationships are recorded.

Current clusters

build1 publisher

Coding agents learned markup from a web where 96% of homepages fail automated checks

WebAIM found accessibility problems on 96% of the top million homepages using automated tools alone. That corpus is what coding agents pattern-match against, and the remedy on offer is an instruction file the agent reads every session.

Publishers:dev.to

Reality

Evidence42
Adoption20
Hype gap+15
Incentives25
Confidence38