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Why are there errors when using testing tools such as WAVE and Lighthouse for accessWidget?

Testing tools such as WAVE and Lighthouse are free tools for checking your site’s accessibility level. These tools are good at checking basic elements of a site such as duplicate links, title hierarchies, duplicate titles, missing image descriptions, or ALT text. 

However, since accessWidget is a session-based tool, these compliance tools will not detect  accessWidet adjustments. This is because accessWidget is designed to automatically activate when it detects a user with assistive technology accessing the site. This ensures that all adjustments are easily activated without affecting the browsing experience of site visitors who don't need them.

Since compliance tools do not access a website in the form of assistive technology, they cannot analyze accessWidget’s presence on a website nor any of its accessibility adjustments that go with it.

accessWidget does however have integration with WAVE for this purpose so that users can see accessWidget’s adjustments while using the compliance tool.