{"source":"semconv","version":"1.44.0","attribute":{"id":"browser.web_vital.delta","type":"double","stability":"development","brief":"The delta between the current value and the last-reported value. See [delta](https://github.com/GoogleChrome/web-vitals?tab=readme-ov-file#report-only-the-delta-of-changes).","examples":["0.2"],"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":[]}