LI-HEAD-01
Heading markers are removed; the first line becomes the opening. This applies to LinkedIn, where the result is changed.
Affects LinkedIn. Matches heading. Fixture markdown-portability-test-v1.
What happens, per destination
| Destination | Tested surface | Result | Severity | Confidence | Last tested |
|---|---|---|---|---|---|
| LinkedIn desktop web Create post composer | Changed | Review | Verified | Tested 2026-08-24. |
Why, and what to do
A feed post is not a document. A deep heading hierarchy reads poorly here.
Do this: Check the opening line works as a hook.
Limits of this rule
- It describes the surface and date in the table above, not every version, theme, or plugin.
- Reading it in isolation hides the other rules that touch the same draft.
- A rule is only as current as the test date beside it.
Related
- All LinkedIn rules, and the LinkedIn test record.
- The full rule set, also available as rules.json.
- Check your own draft against all five