performance.now() conference @perfnow.nl A single track conference with fourteen world-class sessions covering today’s most important web performance insights. #perfnow
https://perfnow.nl
19th and 20th of November, Amsterdam
Curated by Tim Kadlec, Tammy Everts, Harry Roberts, and PPK
Yoav Weiss @yoav.ws On a mission to make the web faster, one perf feature at a time. Web platform @ Shopify. WebPerfWG and WICG co-chair. RICG4life. Opinions are my own, etc. 
ECMAScript.News @ecmascript.news ECMAScript News – JavaScript and tools:
🦋 All links: here on Bluesky
🦣 Mastodon: https://mastodon.online/@ecmascript_news
📧 Weekly email with additional information: https://ECMAScript.News
Written by @dr-axel.de and @johannesweber.bsky.social
Hugo @hugorcd.com Sofware Engineer at @vercel.com ▲
Working on http://nuxt.com
Ambassador @raycast.com
Building http://shelve.cloud & evlog.dev
YKK @ysknsid25.bsky.social I'm not a fastener maker. I'm a maintainer of @valibot.dev @formisch.dev Type Challenges. Opinions are my own.
https://g.dev/ysknsid25
Tom Occhino @tomocchino.com @vercel.com
CascadiaJS @cascadiajs.com A web + AI conference for the PacNW // June 1-2, 2026 in Seattle, WA // https://cascadiajs.com/2026
SquiggleConf @squiggleconf.com ✨ SquiggleConf | A conference for excellent web dev tooling
💡 Inspiring talks, magnificent speakers, & a vibrant community
🌐 Join us in exploring the latest in web development & open-source
🔗 squiggleconf.com | #SquiggleConf
bombshell @bomb.sh building next-gen terminal tooling for the JS ecosystem
Storybook @storybook.js.org Develop, test, and document UI in isolation
🔗 storybook.js.org
🛠️ Maintained by Chromatic
VoidZero @voidzero.dev The JavaScript Tooling Company
Open Source Pledge ⇌ @opensourcepledge.com Open Source Pledge is a group of companies with a shared commitment to paying the maintainers of the Open Source software we all consume.
https://opensourcepledge.com
Fabian Hiller @fabianhiller.com TypeScript expert w/ 300M+ monthly npm downloads. Creator of @valibot.dev & @formisch.dev, co-creator of https://standardschema.dev and prev engineer at https://usemotion.com
Je Xia @jex.me building @esm.sh
...a man is always a prey to his truths...
Hiroki Osame @hirok.io 👤 hirok.io
⚡️ Creator of @tsx.is
📦 Creator of https://pkg-size.dev
💞 Open Source https://github.com/privatenumber
💼 SWE @ Square
Vjacheslav Trushkin @cyberalien.dev Full stack open source dev from Estonia, author of Iconify.
https://github.com/cyberalien/
https://github.com/iconify/
UnoCSS @unocss.dev The Instant On-demand Atomic CSS Engine
unocss.dev
created by @antfu.me, maintained by @zyyv.dev and the team with 🤍
Slidev @sli.dev Markdown-based Presentation Slides for Developers
sli.dev
created by @antfu.me, maintained by @kermanx.github.io and the team with 💙
Marvin Hagemeister @marvinh.dev I build simple and fast things. Part of Preact team.
Kevin Deng @sxzz.dev https://github.com/sxzz • 🏳️🌈 Gen Z • indie OSS developer sponsored by @voidzero.dev
@vuejs.org @vite.dev @vue-macros.dev @vueuse.org @unjs.io @rolldown.rs elk.zone
More at https://sxzz.dev/
Lukas Taegert-Atkinson @lukas.taegert-atkinson.net Father of two, maintainer of RollupJS
Bjorn Lu @bluwy.me 🇲🇾 Web dev. Building tools for fun. @vite.dev core team member. Something something opinions.
Mohammad Bagher 👾 @aslemammad.bsky.social currently on bolt.new through thundraa.com
did @pkg.pr.new, https://github.com/tinylibs/ and https://vitest.dev/guide/browser
🇴🇲
Michael Shilman @shilman.net 🇺🇸 dad in 🇹🇼 building @storybook.js.org
oss, dev tools, testing, design systems, a11y
matvey @matvey.dev uid=1000(matvey) gid=1000(matvey) groups=1000(matvey),998(wheel),1001(docker)
Anna | DevMiner @devminer.xyz SysAdmin // DevOps // SW Dev // Unprofessional Factory Planner 😅
"Making the world a better place"
Jason Miller @developit.dev Platform DX at Shopify. Created #Preact. Do more with less.
#JavaScript #PreactJS #React #Frontend #DeveloperExperience #OSS #Coffee #Foxes #Drumming #Metalhead
Oliver Medhurst @honk.foo compiling javascript: https://porffor.dev + browser security
Luke Edwards @lukeed.bsky.social Dogs & Developer tools
Pooya Parsa @pi0.io Building opensource stuff ◦ @unjs.io ◦ @nitro.build ◦ @nuxt.com
🌱 github.com/pi0 ❌ x.com/_pi0_ 
Ben McCann @benmccann.com Investor and entrepreneur. SvelteKit maintainer.
Co-founded Connectifier - acquired by LinkedIn
Ryan @rschristian.dev Implicit "It depends" | Open Sourced Shenanigans http://github.com/rschristian | @preactjs.com stuffs
Filip Sobol @filipsobol.com Building (mostly) open-source software. Follow for JavaScript, devtools, and performance content.
🛰️ https://sonda.dev — Universal bundle analyzer
Fuzzyma @fuzzyma.bsky.social Maintainer of svg.js and vue lover - freelancing wherever I go :)
Member of the @e18e.dev community.
Hit me up for any interesting vue projects.
And if you need help migrating to vue 3: https://migrate-vue.com
EGOIST @egoist.dev buy me a coffee: github.com/sponsors/egoist
Evan You @evanyou.me Husband / Father of two / Founder voidzero.dev / Creator @vuejs.org & @vite.dev
e18e @e18e.dev https://e18e.dev (Ecosystem Performance) is a community initiative to bring together people who are passionate about improving performance in the JS ecosystem. Get involved at https://chat.e18e.dev 🚀
Vitest @vitest.dev Next generation testing framework powered by @vite.dev ⚡️
https://vitest.dev
Vite @vite.dev The build tool for the web. It's pronounced /vit/ like skeet!
https://vite.dev
Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com 🔥 Join 45k React devs - Stay up-to-date:
📨 ThisWeekInReact.com
Docusaurus maintainer @ Meta
Sara Soueidan @sarasoueidan.com 🇱🇧 Frontend web / UI engineer, speaker, author, and educator specializing in web accessibility • Creator of the Practical Accessibility course https://practical-accessibility.today
🕸️ https://sarasoueidan.com
📤 https://www.sarasoueidan.com/newsletter
Matt Pocock @mattpocock.com Full-time TypeScript educator. Used to be a voice coach. He/him. Author of Total TypeScript 🧙 Hire me to teach your team TypeScript!
Anthony Fu @antfu.me A ship in harbor is safe, but that is not what ships are built for.
creator → @sli.dev • @unocss.dev • @vueuse.org • @vitest.dev • elk.zone
core team → @nuxt.com • @vite.dev • vuejs.org
maintainer → @shiki.style • eslint.style
he/him → antfu.me
Kent C. Dodds 🌌 @kentcdodds.com Husband, 6x Dad, Latter-day Saint, Dev, Educator
🏹 http://EpicProduct.engineer
⚡️ http://EpicAI.pro
🌌 http://EpicWeb.dev
🚀 http://EpicReact.dev
🏆 http://TestingJavaScript.com
Lydia Hallie @lydiahallie.com Claude Code @AnthropicAI
Addy Osmani @addyosmani.bsky.social Former Engineering lead working on Gemini and Google Cloud AI
I want you to win :) For more on what I'm up to, I'm at addyosmani.com
goncy.tsx @goncy.dev Senior Solutions Engineer ▲ @vercel, @twitch partner, @cypress_io ambassador, creador de @pencyapp.