Google Analytics site speed data is only based on 1%[1] of your traffic while New Relic's Real User Monitoring aims to track all of your traffic. I'm sure that

Google Analytics site speed data is only based on 1%[1] of your traffic while New Relic's Real User Monitoring aims to track all of your traffic. I'm sure that can lead to differences in accuracy. (Disclosure: I used to work for New Relic) [1] https://developers.google.com/analytics/devguides/collection/gajs/gaTrackingTiming#sampleRate https://developers.google.com/analytics/devguides/collection...