Primary-name adoption by length

Of currently-active .eth SLDs in each length bucket, what fraction are actually used rather than just held?

Counts names where the owner has set a primary name (reverse record) on any namespace pointing back to that domain.

What this tells you:

High adoption implies real users who care about display identity.
Low adoption implies names held without active use in mind e.g. speculative inventory.
For the pricing debate: if 3-character survivors have notably higher primary-name adoption than long-name survivors, the price filtered for utility users.

Length	Active	With primary	Adoption
3 chars	2,687	685	25.49%
4 chars	8,686	2,329	26.81%
5 chars	95,047	32,885	34.6%
6–9 chars	377,025	133,872	35.51%
10+ chars	296,193	88,076	29.74%

Methodology

Active .eth SLDs only (depth=2, parent='eth', expiry_timestamp >= now).
Adoption = owner has a primary name on ANY reverse namespace (addr.reverse, default.reverse, or any ENSIP-19 chain-specific registrar) that resolves exactly to this domain's full_name.
Doesn't require forward-resolution match against the addr record - that would be a stricter definition; here we just check the reverse side.