Head to head, rubric v2.3.0
Css is 15 points more agent-ready than Swica (71/100 against 56/100). Both scores come from public HTTP responses only.
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Share of each check group passed
Machine access
Css 100%
Swica 100%
Content legibility
Css 92%
Swica 81%
Discovery surface
Css 50%
Swica 25%
Identity & policy
Css 25%
Swica 25%
Agent-facing performance
Css 63%
Swica 38%
Agent protocols
Css 50%
Swica 5%
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