browser.web_vital.name

Developmentenumas of v1.44.0

Name of the web vital.

Examples

cls

Values (6)

clsCumulative Layout Shift. See cls.
lcpLargest Contentful Paint. See lcp.
fcpFirst Contentful Paint. See fcp.
inpInteraction to Next Paint. See inp.
ttfbTime to First Byte. See ttfb.
fiddeprecatedFirst Input Delay. See fid.

Used by

events (1)

browser.web_vital *

* required on that signal.

History

v1.44.04 Aug 2026
Added as development.

Definition source Registry docs JSON