User Experience on mobile might not be great yet, but I'm working on it.

Your first time on this page? Allow me to give some explanations.

Awesome PageSpeed Metrics

⚡Metrics to help understand page speed and user experience

Here you can see meta information about this topic like the time we last updated this page, the original creator of the awesome list and a link to the original GitHub repository.

Last Update: Nov. 30, 2020, 12:14 a.m.

Thank you palfi-ltd & contributors
View Topic on GitHub:
palfi-ltd/awesome-pagespeed-metrics

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Lab Data (Synthetic Measurements)

A tool built on Google Chrome to audit web pages. You can run it from Chrome DevTools, a Chrome Extension or from the command line (even with headless Chrome).

Free and hosted web performance testing (also an open source project).

A set of open source performance monitoring tools.

Web performance monitoring SaaS.

Web performance monitoring SaaS.

Web performance monitoring SaaS.

Field Data (Real User Monitoring - RUM)

Critical rendering path

Long tasks

User-centric metrics

First Contentful Paint (FCP)

Largest Contentful Paint (LCP)

Specification for the LargestContentfulPaint API

42
6
4d
n/a

Cumulative Layout Shift (CLS)

A proposal for a Layout Instability specification

86
14
4d
n/a

Visually Complete

Speed Index

(Hero) Element Timing

Time to Interactive (TTI)

Total Blocking Time (TBT)

First Input Delay (FID)

A JavaScript library for measuring First Input Delay (FID) in the browser.

340
55
13d
Apache-2.0

Max Potential First Input Delay

Network metrics

TCP and SSL/TLS latency

Transferred bytes

Google PageSpeed Insights score

User Timing

Server Timing

Frame rate

DOMContentLoaded

window.load