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On Boomerang version 1.66 and want to monitor INP in mPulse? Create a custom timer with settings: BOOMR.plugins.EventTiming.metrics.interactionToNextPaint #webperf #rum #inp

NEW POST: We looked at 100,000+ real websites to understand how web frameworks actually perform across CWV, Lighthouse and more. astro.build/blog/2023-web-…

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This is one of the best talks I've seen in ages. How did I miss when it went up months ago?! youtube.com/watch?v=PGLwRv… Noam Rosenthal 🦋 nomster.bsky.social

New York Folks! I'll be in town to chat INP with Michal Mocny at Web Performance NY on April 4th! Hope to see you there! meetup.com/web-performanc…

Long Animation Frames (LoAF): explainer is a bit more comprehensive now and merged to main. github.com/w3c/longtasks/… Want to try it early ? Download Chrome Canary, enable experimental web-platform features, observe "long-animation-frame" performance entries. #webperf

We've updated the Web Vitals extension to provide more useful debugging information to help you optimise your Core Web Vitals. Read all about the new console logs here: web.dev/debug-cwvs-wit…

Common Slugs: - Longa mora inputus - Reversio eventus - Mora praesentationis Brian Louis Ramirez – @[email protected]

As a user-focused #webperf metric, does Interaction to Next Paint actually correlate to user behaviour? @cliffcrocker analyzed RUM data from four different sites and found that overall there's a correlation between INP and conversions. speedcurve.com/blog/interacti… #UX #CoreWebVitals

Well it seems like a lot of you are getting emails from Google Search Console warning the INP on your site could be improved and you don't know what to make of them! So let's take a deep breath and delve into what this all means and how you should action them. 🧵 (1/20)

This wiki article from MobX folks was first written in 2016, and I think it still perfectly captures the use cases for Observables vs Signals: github.com/mobxjs/mobx/wi…

Rum insights: excites! Tim Vereecke

We're making the web faster 🙏 Core Web Vitals & Chrome saved users 10,000 years of waiting for pages to load: blog.chromium.org/2023/11/how-co… ~ Learn about the WebPerf work that enabled this in our new post.

DevTools update! We've added whiskers to the Interactions lane of a Performance trace:

🪩 Web Performance calendar day 23 🔗 calendar.perfplanet.com/2023/inp-perfo… 🍹 Rick Viscomi (Rick Viscomi) analyzes INP performance using real-world RUMvision data

For those playing with the Chrome Soft Navigations Experiment, we've published a Changelog of all the changes to this metric by Chrome version: chromium.googlesource.com/chromium/src/+… We'll look to keep it up to date as we iterate this API.

Note how Chrome DevTools Remote Debug syncs with what is happening on the device 👀 Makes debugging device-specific API stuff a breeze 🤙

Anyone test loading performance of Astro "spa mode" vs normal? docs.astro.build/en/guides/view… Without actually using any persistance or view transitions, and without speculation rules. Just plain loading perf. (Can't use field LCP-- I'm okay with just lab results.) fks