Websites that are inaccessible make it harder for customers with disabilities to use their sites. At any given moment, roughly 20% of the US population has a disability. It follows that improving web accessibility results in higher engagement and conversion rates. Which ultimately means more revenue for your business.
semantic page regions
How Accessibility Can Improve Your Google SEO Rankings
There is already a lot of overlap between accessibility improvements and SEO best practices. And there are signs accessibility may be an explicit factor in the future.
Can You Rely on Your Web Agency for Accessibility?
How can you tell whether your digital agency has the expertise to effectively address your site's accessibility issues.