AI SEO Foundations

Module 2 — Technical Foundations

Lesson 5: Clean HTML, Headings, and Accessibility

Last updated: 2026-04-27

Below the JSON-LD layer, the HTML itself either helps or hinders agents. Pages with clean semantic markup, a clear heading hierarchy, and accessibility annotations are scanned, summarised, and quoted by AI systems. Pages built mainly out of styled divs are not.

Lesson 5: Clean HTML, Headings, and Accessibility

Blackboard

Accessibility for humans is visibility for AI

11 min

Pause and Think

Practice Question

Question

Does not count for certificate

Choose one answer, use the hint if needed, then check your answer.

Use the hint before checking if you need a nudge.

Choose one answer, then click Check Answer.