Upcoming End-of-Life: Google Core Web Vital (FID)

New Relic has extended support for FID until December 31, 2024 to allow more time to transition to INP. The New Relic Browser agent will continue to report FID after Google ends support for FID on September 9, 2024.

What you need to do

On September 9, 2024, Google is deprecating the FID metric, in favor of Interaction to Next Paint (“INP”). Since New Relic uses certain libraries and APIs that leverage the FID metric, you will need to take the actions below before September 9, 2024 to avoid inaccurate or unexpected behavior with dashboards, alerts, and service level reporting.

Action needed

To avoid inaccurate alerts, charts, and service levels, you must make the following changes before September 9, 2024:

1. Edit all custom dashboards using FID from the PageViewTiming event and replace with INP.
2. Edit any NRQL alert conditions using FID from the PageViewTiming event and replace with INP.
3. Edit any Service Levels using FID from the PageViewTiming event and use INP.

Resources for how you can identify which dashboards, alerts, and service levels use the FID metric can be found below.

Additionally, if you're using copy/paste browser instrumentation or are pinned to a version prior to version 1227, you must update the browser agent to version 1227 or higher to ensure that you have access to using the INP metric. To check which browser agent version you're on and for instructions on how to update your agent, please see our documentation. If you're using version 1227 or higher, you do not need to update your browser agent for this EOL; however, we recommend that customers keep all agents up to date.

Additional resources

Customers can use the following queries (either NRQL or via NerdGraph) to identify dashboards, alerts, and service levels that use the FID metric.

Dashboards

Use the NrdbQuery event query to find whether FID is being used in a custom dashboard.

SELECT uniques(source.dashboardId) FROM NrdbQuery WHERE query like '%firstInputDelay%' SINCE THIS WEEK

Alerts

Use the following alerts-specific NerdGraph query in your account to find whether FID is being used in a NRQL alert condition.

{
  actor {
    account(id: {account-id}) {
      alerts {
        nrqlConditionsSearch(searchCriteria: {queryLike: "firstInputDelay"}) {
          nextCursor
          nrqlConditions {
            id
            name
            nrql {
              query
            }
          }
        }
      }
    }
  }
}

Service Levels

Use the following browser monitoring and Service Levels-specific NerdGraph queries in your account to determine which SLIs are affected:

1. Get the GUID of all the browser monitoring apps that have SLIs:

{
  actor {
    entitySearch(
      query: "domain = 'BROWSER' AND type = 'APPLICATION' AND `tags.nr.has_slis` = 'true'"
    ) {
      results {
        entities {
          guid
        }
      }
    }
  }
}

2. For each of these browser monitoring apps, get the list of SLIs and check if in the WHERE clause of the query there is a reference to firstInputDelay:

{
  actor {
    entity(guid: "<browser_guid>") {
      serviceLevel {
        indicators {
          events {
            validEvents {
              where
            }
          }
        }
      }
    }
  }
}