Head to head, rubric v2.3.0
4results is 12 points more agent-ready than Merkle (70/100 against 58/100). Both scores come from public HTTP responses only.
Score your own site
Get a free 100-point agent-readiness score.
Share of each check group passed
Machine access
4results 100%
Merkle 88%
Content legibility
4results 88%
Merkle 81%
Discovery surface
4results 60%
Merkle 40%
Identity & policy
4results 25%
Merkle 0%
Agent-facing performance
4results 100%
Merkle 100%
Agent protocols
4results 0%
Merkle 0%
Catalogue access
4results 100%
Merkle 100%
Product data legibility
4results 0%
Merkle 0%
Agent-commerce protocols
4results 0%
Merkle 0%
Checkout traversability
4results 30%
Merkle 30%
Watch this comparison instead of re-checking it
Track either domain and Qomvia re-scans it weekly, alerts you when a check breaks, and shows which of the two an assistant names when a buyer asks.