{"source":"semconv","version":"1.44.0","attribute":{"id":"browser.web_vital.id","type":"string","stability":"development","brief":"A unique ID representing this particular metric instance.","examples":["v3-1677874579383-6381583661209"],"namespace":"browser","definedIn":"model/browser/registry.yaml","usedBy":[{"groupId":"event.browser.web_vital","groupType":"event","signalName":"browser.web_vital","requirementLevel":"required"}]},"history":[{"version":"1.44.0","publishedAt":"2026-08-04T20:00:58Z","kind":"first-seen","detail":"Added as development.","severity":"informational"}],"replaces":[]}