While it is important to understand where SEO and accessibility (a11y) overlap in order to optimize correctly for both, it is important to note that optimizing for one is not necessarily akin to optimizing for the other. In other words, if you’ve optimized a page for search engines, it does not necessarily mean you made it accessible and visa versa. What it is very important to UNDERSTAND that there IS overlap – and if you understand the overlap, you can successfully optimize for both.