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Mobile Core Web Vitals are being built with real user data, and are tied to both business impact and a specific fix. But a lot doesn't transfer from the web: LC assumes a page load, CLS a document. This talk shares the first public look at Mobile CWV. @cliffcrocker.bsky.social at perfnow.nl

14/10/26, 10:50 am4 reposts7 likes

Gustav Ernberg von Heijne

@gustav.ernberg.se

Looking forward to the conference! But the thing Cliff is presenting is called "Core Mobile Vitals" not "Mobile Core Web Vitals", right? This is already getting a bit confusing as the names are so similar ... especially when written as acronyms when an M is just an upside down W 🙃🙂

performance.now() conference

@perfnow.nl

Correct. I made a mistake in the text. perfnow.nl/speakers.htm... is the canonical version.

perfnow.nlperformance.now(); 19th and 20th of November 2026, AmsterdamOn 19th and 20th of November 2026, the web performance community will gather at performance.now() in Amsterdam to discuss today’s most important web performance insights.