feat: Add custom metric for UCP well-known file parsing#194
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I can see that the test captured the new UCP logic. |
tunetheweb
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Feb 26, 2026
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LGTM with a couple of minor nits
Co-authored-by: Barry Pollard <barrypollard@google.com>
Co-authored-by: Barry Pollard <barrypollard@google.com>
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},
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}https://business-store.devChanged custom metrics values: {
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}
},
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}
}
}
}https://www.mozilla.orgCannot display changed custom metrics due to comment size limits, view test JSON instead. |
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Description
This PR adds support for tracking and analyzing a critical file related to the Universal Commerce Protocol (UCP):
/.well-known/ucpThis file is central to the Universal Commerce Protocol (UCP) and allows businesses to publish their accepted payment handlers and available services to agents. The changes ensure this file is fetched, parsed, and included in the HTTP Archive's custom metrics for analysis of this standard's adoption.
Changes
/.well-known/ucpto track its presence and extract key metadata cleanly without overloading the payload, such as the UCP profile version, whether payment handlers exist, and the signing keys count.Example Output
UCP Profile (
/.well-known/ucp){ "/.well-known/ucp": { "found": true, "data": { "has_ucp": true, "version": "2026-01-11", "has_payment_handlers": true, "signing_keys_count": 0 } } }Test websites: