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Amsterdam, NL
02 Nov 2023 M.C.
Master of Ceremonies
Web developer, international conference speaker, workshop instructor, and community organizer. I like to make the web fast.
Latest Writing
All posts can be found on the blog page.
Liquid vs headless: A look at real user web performance
Considering headless? Why web performance should not be your only reason...
Announcing new Liquid features for better web performance
Default lazy loading for image tags and new section.index properties...
How layout position impacts three big web performance levers
We see three common web performance problems related to layout position with Shopify themes...
Announcing INP as the next Core Web Vital: What Shopify stores can do now
What does this mean for Shopify sites and what can you do now to make sure you’re ready for the switch?
3 ways to find your worst JavaScript offenders for page load
Before debugging FID and INP directly, look for low-hanging JavaScript fruit to trim out.
Using WebPageTest on Shopify preview sites with passwords
WebPageTest is an amazing tool for testing performance. Here's how to use the scripting feature to test sites behind passwords.