Just use button -- A11ycasts #05
Why the open web links it
Explains why using the HTML button element is better than custom elements for accessibility and usability.
Linked by 9 independent sites, 1 of them widely read in the 2026-10 crawl of the open web, including soton.ac.uk, universaldesign.ie, sparkbox.com, htmhell.dev, accessiblewebsiteservices.com.