Automate Performance Boosts Using Experiments

Published: 16 June 2022
on channel: CodeTV

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WebPageTest just launched new features where you can run a new test with fixes applied to see how they'll affect your Core Web Vitals. @scottjehl will teach us how it works.

0:00:00 - Welcome
0:00:23 - What is Web Page Test?
0:01:47 - Guest introduction
0:04:33 - What is happening behind the scenes with Web Page Test?
0:07:56 - How do you use metrics to decide what to do?
0:13:05 - Dealing with first input delay
0:23:05 - Testing code changes without changing code?
0:33:05 - What have they introduced recently?
0:41:32 - What should we test?
0:56:38 - Viewing it with CSS inline
1:07:40 - An example of the worst performing web page
1:17:40 - Create experiments tool
1:22:10 - Where to find out more about WebPageTest?

Demo: https://www.webpagetest.org/result/22...

Links

https://blog.webpagetest.org/posts/in...

https://www.learnwithjason.dev/

  / scottjehl

https://www.webpagetest.org/

https://www.webpagetest.org/themetric...

  / 1536689811473543172

  / realwebpagetest

  / webpagetest

Watch future episodes live at   / jlengstorf

This episode was sponsored by:
Netlify (https://lwj.dev/netlify)
Nx (https://lwj.dev/nx)
Backlight (https://lwj.dev/backlight)

Live transcription by White Coat Captioning (https://whitecoatcaptioning.com/)

Credits:

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