Head to head, rubric v2.3.0
C-and-a is 3 points more agent-ready than About (60/100 against 57/100). Both scores come from public HTTP responses only.
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Share of each check group passed
Machine access
About 100%
C-and-a 96%
Content legibility
About 65%
C-and-a 85%
Discovery surface
About 25%
C-and-a 25%
Identity & policy
About 25%
C-and-a 25%
Agent-facing performance
About 100%
C-and-a 75%
Agent protocols
About 0%
C-and-a 10%
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