What is Quality score?
Verified 5 August 2026
Host rank measures the publisher; quality measures the page. A well-regarded domain can still publish a thin, boilerplate-heavy page, and a quality floor is what catches it.
Assigned at admission and stored as a fast field, so filtering on it costs nothing at query time.
How unlob handles this: min_quality
Common questions
What is Quality score?
A quality score rates an individual passage on text density, structure and extraction confidence, independently of its publisher’s authority.
How does Quality score work in practice?
Assigned at admission and stored as a fast field, so filtering on it costs nothing at query time.
See it working
The free tier is 10,000 requests a month with no card — enough to test any of this against your own queries.