{"dataset":"by-technology","table":"web-frameworks","name":"Accessibility errors by technology stack (WebAIM Million)","page":"https://accessibility.build/research/accessibility-by-technology","lastUpdated":"2026-08-27","licence":"https://webaim.org/copyright","attribution":"Accessibility.build, https://accessibility.build/research","rows":[{"name":"Next.js","homePages":23863,"avgErrors":40.9,"vsAverage":-27.1},{"name":"Express","homePages":8121,"avgErrors":52,"vsAverage":-7.3},{"name":"ZURB foundation","homePages":11905,"avgErrors":54.3,"vsAverage":-3.3},{"name":"UIkit","homePages":6220,"avgErrors":57.3,"vsAverage":2.1},{"name":"Microsoft ASP","homePages":36141,"avgErrors":58.4,"vsAverage":4.1},{"name":"Bootstrap","homePages":240869,"avgErrors":63.3,"vsAverage":12.8}]}