A trail showing where you are in a hierarchy, useful when the hierarchy is deeper than two levels.
Component · Navigation
Tag
seo
Entries tagged seo, drawn from across the library. Tags cut through the section structure, which is where most of the useful connections are.
5 entries across 3 sections
Type
Category
Level
5 entries
Making content findable by search engines, which overlaps almost entirely with making it good for people.
UX writing · Content
Headings are the table of contents screen reader users navigate by, so levels must follow structure rather than appearance.
Accessibility · Perceivable
The text equivalent of an image, which depends on the image's purpose in that specific context.
Accessibility · Perceivable
A review pass for anything that lives at a URL: addressability, navigation, performance, content and the browser behaviours people expect.
Checklist · Web