Results

Experiments and teardowns, documented in full

Every study below follows the same structure: what the problem was, what diagnosis we reached, what we changed, what evidence we captured, what we observed, and what the result does not prove.

Why there are no client case studies here yet

Lumen publishes only work it can document and evidence. Client engagements are covered by confidentiality until a client agrees to publication. In the meantime, the studies below are GEO experiments and public teardowns run on our own initiative, with the full method shown.

Published studies

Public Teardown

Public Teardown: Why a Category Page Is Never Quoted

Industry: B2B SaaS
Problem: A well-ranked category page was never quoted in AI overviews for its core term.

GEO Experiment

GEO Experiment: Reconciling a Conflicting Entity Profile

Industry: Professional Services
Problem: An assistant described a firm with details belonging to a similarly named company.

How each study is structured

The same nine fields appear in every study so results can be compared against each other rather than read as isolated stories.

Industry: The market the subject operates in.
Problem: The visibility failure that prompted the study.
Diagnosis: The underlying cause we identified.
Intervention: The specific change that was made.
Evidence: How the before and after state was captured.
Observed result: What changed, stated without extrapolation.
Limitations: What the result does not prove.
Lessons: What generalizes beyond this case.
Type: Whether it is an experiment or a public teardown.

Run the same analysis on your own domain.

The audit applies the diagnostic half of these studies to your business and returns the findings in the same structure.

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