V3 — Heading chaos primary H1

Skipped level: jumping straight from H1 to H4

Content under the skipped heading.

Heading order regression: H2 after H4

Second H1 on the page — multi-h1 violation

Multiple H1s break document outline.

Heading inside a button

Orphan H5 with no H4 above it

Tiny visual-only “heading” that is technically a heading

Visual heading authored as a paragraph (semantic mismatch)