https://www.queensu.ca/accessibility/across-campus/web-standards-and-accessibility-development-guide/development/tabindex-and-accesskeys
TabIndex and Accesskeys | Accessibility Hub
The HTML feature known as Accesskey is a navigational enhancement that allows you to jump to an active element (such as a form control or a link) on a page...
accessibility hubtabindex
https://caniuse.com/?search=ciu/tabindex-attr
"ciu/tabindex-attr" | Can I use... Support tables for HTML5, CSS3, etc
can i usesupport tableshtml5 css3tabindexattr
https://web.dev/articles/control-focus-with-tabindex
Control focus with tabindex | web.dev
Nov 18, 2018 - When building custom interactive components, use tabindex to ensure that they're keyboard accessible.
web devcontrolfocustabindex
https://www.wufoo.com/html5/tabindex-attribute/
HTML5 Forms: Tabindex Attribute | Wufoo
html5 formstabindexattributewufoo