Tooltips — affectionately misnomered as "tootlips" by my friend Steve — are a precariously longstanding interface pattern. Literally "tips for tools", they are little bubbles of information that clarify the purpose of otherwise ambiguous controls/tools. A common example is a control that is only represented by a cryptic icon, the meaning| Inclusive Components
A deep dive into the semantics, behaviours and characteristics of some of the most common user interface elements of websites today.| Hidde's blog
A review of the history and current state of tooltip accessibility. Or: everything you didn't know you needed to know before making a tooltip.| Sarah Higley
Accessibility resources free online from the international standards organization: W3C Web Accessibility Initiative (WAI).| Web Accessibility Initiative (WAI)
Accessibility of web content requires semantic information about widgets, structures, and behaviors, in order to allow assistive technologies to convey appropriate information to persons with disabilities. This specification provides an ontology of roles, states, and properties that define accessible user interface elements and can be used to improve the accessibility and interoperability of web content and applications. These semantics are designed to allow an author to properly convey user ...| www.w3.org