Good to know: Free-use terms vary by tool and plan. When a card lists no tool-specific limit, check quotas, watermarks and export terms on the official page.
Accessibility Insights for Web is a Microsoft tool that runs as a Chrome and Microsoft Edge extension, with FastPass for a quick scan and Assessment for step-by-step WCAG 2.1 AA evaluation.
Website Speed and Accessibility Test
PageSpeed Insights analyzes a page address for mobile and desktop and shows real-user field data together with Lighthouse lab data.
Website Speed and Accessibility Test
WAVE is a WebAIM tool that marks accessibility and WCAG errors directly on a web page with icons; it is offered as an online tool and as a browser extension.
Website Speed and Accessibility Test