January 21, 2020
Max Potential First Input Delay is the first interaction experience/impression of your site/page. It is the first experience a user has when he tries to interact with your site. If you have Max Potential First Input Delay low then it means the site is usable and a better User Experience can be expected.
Its like the first impression is the last impression. Max Potential First Input Delay is one of the First metrics tracked and measured in the Performance speed section of the Google Page Speed Optimization Lighthouse report. Matrix captures the some part of Page Load Speed.
Max Potential First Input Delay is the expected time when a user gets active on the page of the site. Max Potential First Input Delay (FID) it is worst case scenarios which a user might experience in getting actively involved with the page on the site. Its something like clicking the call to action button, or selecting a dropdown value, clicking the next arrow of the slider or escaping the modal window or escaping the subscribe window to the time when page is able to complete the action needed or browser is able to respond to the user action.
by : Fahim Akhtar
Quick Summary:
Max Potential First Input Delay is the first impression of your site/page. It is the first experience a user has when he tries to interact with your site. If you have Max Potential First Input Delay low then it means the site is usable and a better User Experience can be expected.