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
Jim Nielsen @jim-nielsen.com label = designer, developer, blogger
homepage = https://www.jim-nielsen.com
weblog = https://blog.jim-nielsen.com
link blog = https://notes.jim-nielsen.com
alt social = https://mastodon.social/@jimniels
Whittmann @whittmann.bsky.social Software Engineer, Writer, curious about distributed social media applications
Chris Knauss @chrisknauss.bsky.social Frontend developer @ VPRO/HUMAN
Nicolas Chevobbe @nicolaschevobbe.bsky.social Firefox DevTools engineer
Skateboarder
Rowan Merewood @rowan.fyi It's rowan.fyi
#DevRel with #Chrome at #Google
We should improve the web somewhat.
🦣 mastodon.social/@rowan_m
🐙 github.com/rowan-m
👔 linkedin.com/in/rowanmerewood
🧵 threads.com/@rowan_m
Artem Pendiurin @erblack.me 
Andrew Cairns @acairns.co.uk Using metaphors and analogies to explain Software Engineering in fun ways: https://youtube.com/@metaphoricallyspeaking
Staff Software Engineer. Passionate about DDD, CQRS, Event Sourcing and Distributed Systems.
Kayaking, too.
CSS Day @cssday.nl The annual CSS conference that brings specifiers, implementors, teachers, and authors together to discuss the current state of CSS, upcoming features, and cool demos.
https://cssday.nl
3rd and 4th of June 2027
Amsterdam
Curated by PPK
Justin Fagnani @justinfagnani.com Building something new... Previously at Google. Web maximalist. Web components. WebAssembly. Creator of Lit. Oakland.
Vincent Pickering @vincentp.me Service Design | Enterprise Design | Systems Thinking
I make complicated problems simpler for people
Personal Website: https://vincentp.me
Riffy Bol @riffy.bsky.social Algemeen redacteur @decorrespondent.nl
Rob Wijnberg @robwijnberg.bsky.social Oprichter & hoofdredacteur De Correspondent
patak @patak.cat Open Source Adventurer
Project Steward @npmx.dev
Core @vite.dev @vitest.dev https://elk.zone
Director @stewardshiplab.org
Advisor @e18e.dev
Hugo Nogueira @marabyte.com Building LEGO.com with actual LEGO bricks is a tough job but I’m glad I get to do it!
IntentToShip @intenttoship.dev I post when browser makers announce an intent to ship, change or remove features in their web engines!
I was made by @burrito.space.
https://github.com/autonome/intenttoship-bot
rich harris @rich-harris.dev my life is derp and i do derp shit
Nadia Makarevich @adevnadia.bsky.social 👩🏻💻 Coder, Writer, Educator | ex. Atlassian, Jira | Principal Engineer
📝 Developer Way Blog: https://www.developerway.com
📘 Advanced React book: https://www.advanced-react.com
📘 Web Performance Fundamentals book: https://www.getwebperf.com
Harry Roberts @csswizardry.com 🚀 Independent Web Performance Consultant • Speaker • Google Developer Expert, Web Performance • Accepting new clients • https://harry.is/for-hire
Adrian Holovaty @holovaty.com Web developer, guitarist, cocreator of Django web framework, tinkerer with digital sheet music encoding and rendering. Currently making Soundslice.
Sander van Surksum @sandervs.bsky.social Web performance enthousiast - father of 4 daughters - parttime muralist
founder of https://www.iron-out.io
Tim Kadlec @tkadlec.bsky.social Principal Product Manager @cloudflare—focused on performance and observability.
Co-chair of https://perfnow.nl
Taller than my photo looks. 
Patrick Meenan @patmeenan.com Web performance geek on the Chrome team at Google.
Formerly WebPageTest, Meta, Cloudflare, AOL...
Riccardo Margiotta @riccardomargiotta.co.uk 🖥️ Lead Engineer (Digital Product Ops) at Arnold Clark
✏️ HTML/CSS/UX/WebPerf obsessive
👦👧👧 Daddy
🍕 Vaguely Italian
🏴 Mostly Scottish
🎮 Mario/Zelda/Halo fan
🤷♂️ Emoji enthusiast
Ivan Akulov @iamakulov.com Web perf engineer @ Framer. Prev. web perf consultant (Google, Appsmith, Toggl, etc). Getting React interactions 2-4x faster. GDE. He/him 🏳️🌈
CSS by T. Afif @css-only.dev CSS stuff by Temani Afif (https://support.temani-afif.com)
💡 https://css-tip.com
🧩 https://css-shape.com
💫 https://css-loaders.com
📝 https://css-articles.com
⚙️ https://css-generators.com
🧱 https://css-pattern.com
🎨 https://css-only.art
Firefox for Web Developers @webdevs.firefox.com Official Firefox account for people who build on the web. Learn about the things we're working on to grow and improve the web platform.
Rik Schennink @rikschennink.com Solopreneur • Founder Pqina • Maker of Pintura and FilePond • Web enthusiast • Loves Bouldering • https://pqina.nl
Casper Wolfert @casperwolfert.bsky.social Journalistiek & tech | Product Owner bij @decorrespondent.nl
Jasper @jwissels.bsky.social Lurkin and likin
De Correspondent @decorrespondent.nl Diepgravende verhalen die je helpen het nieuws beter te begrijpen.
Word lid en steun onafhankelijke journalistiek: https://corr.es/f013c4
Donnie D'Amato @donnie.damato.design Design Systems Architect in New York. Author of Mise en Mode. International speaker. Lives in ds.house.
Random MDN @random-mdn.bsky.social A bot that shares random articles from mdn.dev.
Discover and learn new things with Random MDN.
RSS → https://bsky.app/profile/did:plc:he3pf4v4t2rg6isjdn4ghtla/rss
OSS → github.com/random-mdn
Credits → @stefanjudis.com
Feedback → @andreruffert.com
🦖
Jan Penfrat @ilumium.eupolicy.social.ap.brid.gy Policy guy @edri, working on platform regulation, content moderation, data protection and surveillance ads in Europe. For 15+ years in the Brussels maze.
Digital […]
🌉 bridged from ⁂ https://eupolicy.social/@ilumium, follow @ap.brid.gy to interact
Jamie York @ziadoz.bsky.social I’m a web developer based in Leicestershire, UK. I enjoying working with PHP, Laravel and JS. I’m also an avid PC gamer and dog lover.
John Gruber @gruber.foo I write Daring Fireball and created Markdown.
Rick Byers @rbyers.net Web Platform engineer at Google on the Chrome team, helping the open web to thrive.
Opinions are my own, not my employer's.
Tim Nguyen @ntim.me I do stuff for the web
Alex Cranz @cranz.bsky.social laser bong lyricist. tech critic.
Michał Gołębiowski-Owczarek @mgol.bsky.social Member of the jQuery team; former member of the AngularJS team. @mgol@hachyderm.io on Mastodon, @m_gol on X / Twitter. Views are my own.
Trivikram Kamat @trivikram.bsky.social Science, Technology, JavaScript, TypeScript, Node.js, React.
Core collaborator at Node.js
Maintainer of AWS SDK for JavaScript.
International speaker. he/him.
LUBACH @lubach.nl Vanaf 31 augustus om 21.00 op Videoland!
Malte Ubl @industrialempathy.com CTO at Vercel
@cramforce on Twitter
industrialempathy.com
Ariel Salminen @arielsalminen.com Design systems architect • A girl who lost her heart somewhere in California 🧡 • Mainly posting about design systems, web components, the web platform & my road cycling adventures.
📮 https://arielsalminen.com
📍 Helsinki, Finland
👩🏻🦰 She/her
Megan Gray @megangray.bsky.social GrayMatters Law & Policy
Avail for investor consults
Past: DuckDuckGo, FTC, BigLaw
Affiliate/Advisor: StanfordCIS, EFF, CDT
http://linkedin.com/in/megangra
simultaneously posting on X/Twitter as @megangrA, with single platform forwards and replies
Daniel Abraham @abraham.bsky.social Novelist, screenwriter, and the James half of James SA Corey. Will block on tone.
He/him
office@danielabraham.com
David Pierce @davidpierce.xyz Editor-at-large at The Verge. I could eat.
Ryan @rschristian.dev Implicit "It depends" l Open Sourced Shenanigans http://github.com/rschristian l @preactjs.com stuffs
Burton Smith @stuffbreaker.bsky.social Fun-loving coder and speaker. I love web development, web components, and design systems. Creator of the WC Toolkit.
I work at ZocDoc.
Sam @samthor.au tech echosystem influencer 📣🦋- J @jespertheend.bsky.social @jespertheend.bsky.social
Alex Suzuki @alexsuzuki.com Solo founder/dev of https://strich.io
Husband, father, reptile lover 🦎🐊🐍
Based in Switzerland 🇨🇭
Manuel Matuzović @matuzo.at frontend developer and consultant
HTML, CSS, accessibility
big fan of <button>s
creator of HTMHell
author of the Web Accessibility Cookbook
Jacob Rask @handle.invalid web platform staff engineer at Volvo Cars. design systems, developer experience and scaling web teams. falling back in love with css.
https://ja.cob-ra.sk
Jeroen Wiert Pluimers @wiert.bsky.social Makes things work in .NET/Win32/x64/C#/SQL/Delphi.
Surviving rectal cancer.
Married a cancer survivor.
Responsible for brother with IQᐸ50.
ex AdestMusica member.
Silk @silkhq.com Native-like swipeable sheets on the web. Bring your web app to a whole new level. silkhq.com
Ryan Whitwam @rwhitwam.bsky.social Minnesotan. Senior Technology Reporter at Ars Technica. Previous bylines at ExtremeTech, Android Police, Wirecutter, NY Times, PC World, HotHardware, Android Authority, and more.
Obsidian Entertainment @obsidianent.bsky.social Obsidian Entertainment specializes in creating the world's most engrossing interactive role-playing games.
Mike Laidlaw @mikelaidlaw.bsky.social Currently: CCO Yellow Brick Games, working on Eternal Strands (https://store.steampowered.com/app/1491410/Eternal_Strands/ ). Formerly: Lead Writer for Jade Empire; Creative Director for Dragon Age. Always: dog lover.
David Gaider @davidgaider.bsky.social Co-founder and Creative Director at summerfallstudios.com. Canadian game dev who escaped the winter and is now living in Melbourne, Australia! He/Him
Ahmad Saleem @asaleem792.bsky.social WebKit QE - Web Compatibility
Thomas Steiner @tomayac.com Developer Relations Engineer at Google, focused on the Web, WebAssembly, and Project Fugu 🐡. Dad-of-3.
Stefan Judis @stefanjudis.com Freelance dev sending Frontend news to 6k people over at webweekly.email. Sharing lots of tips'n'tricks on the way.
Google Dev Expert, former Microsoft MVP and Playwright Ambassador
Keith Cirkel @keithamus.social Software Cyber Shepherd.
Web platform engineer. Participant: WHATWG, CSSWG, ARIAWG, OpenUICG, WebComponents CG
Website: https://keithcirkel.co.uk/
GitHub: https://github.com/keithamus
Mastodon: https://indieweb.social/@keithamus
Noam Rosenthal @nomster.bsky.social Web platform engineer @ Chrome
Anne van Kesteren @annevk.nl Web Standards Engineer at U+F8FF.
Lea Verou, PhD @lea.verou.me I make things for making things.
@leaverou@front-end.social on Mastodon, @leaverou elsewhere
https://lea.verou.me
Adam Argyle @nerdy.dev Shopify design-engineer
🎙️ co-host on @whiskey.fm 🥃
prior Google Chrome, Google Cloud, CSSWG, CSS Podcast, Bad @ CSS
Creator of VisBug, open-props.style, prop-for-that, gradient.style, transition.style & more
UI, UX, CSS, HTML, JS
https://nerdy.dev
Jen Simmons @jensimmons.bsky.social Apple Evangelist on the Web Developer Experience team for Safari & Webkit. #PwME
Simon Fraser @smfr.bsky.social WebKit developer, cyclist, steam engine builder @smfr@mastodon.social
Adrian Roselli, pH0 @aardrian.bsky.social One hoopy frood who really knows where his towel is.
Active at toot.cafe/@aardrian.
Bramus @bram.us Chrome DevRel at Google (CSS + Web UI + DevTools). CSSWG Member. PADI Divemaster. Blogs at bram.us. Lives in Belgium.
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
Barry Pollard @tunetheweb.com Web Performance Developer Advocate at Google Chrome helping to make the web go faster! All opinions my own.
Rick Viscomi @rviscomi.dev Chrome DevRel at Google, web developer
rviscomi.dev
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
Vite @vite.dev The build tool for the web. It's pronounced /vit/ like skeet!
https://vite.dev
Julian Cataldo @juliancataldo.com Web artisan.
I do HTML, (S)CSS, JS+TS, Lit, React, Node, Vue, Astro…
https://github.com/JulianCataldo
Brandon Jones @toji.dev WebGPU/WebXR/WebGL Dev @ Google. He/Him
"The downfall of modern civilization." - Joystiq
Personal site: https://toji.dev
Nathan Knowler @knowler.dev Building web stuff and design systems. Focused on accessibility, progressive enhancement, and web components. At the intersection of CSS and the Shadow DOM.
he/him
Métis/settler
Treaty 1/wpg
https://knowler.dev
https://sunny.garden/@knowler
Matt Birchler @birchtree.me 
Developer Avocado 🥑 @devavocado.bsky.social Software developer debugging this world one console.log() at a time. Posting about programming 👨💻 and movies 🎬
Previously seen on: https://twitter.com/dev_avocado
Also follow my insta: https://www.instagram.com/dev.avocado/
Build Awesome (11ty) @11ty.dev 🎈 A simpler static site generator, maintained since 2017
🔗 https://www.11ty.dev/
🐀 @zachleat.com
🤝 Team @fontawesome.com and @webawesome.com
🐘 Mastodon https://neighborhood.11ty.dev/@11ty
Sarah Drasner @sarahedo.bsky.social Opinions my own. https://sarah.dev
Distinguished Engineer @ Google, Chrome
Formerly Google Core Infrastructure
Formerly Vue Core •
Frontend Masters teacher •
O'Reilly Author •
https://www.engmanagement.dev/
https://github.com/sdras
Maaike @mvkempen.bsky.social Bedachtzaam en onbehouwen.
Communicatieadviseur.
Jovi 🐨 @jovidecroock.com 🇧🇪 | Software Engineer @Shopify | Building drydock.org | Preact core team | passionate about DX & web perf | opinions are my own
Marvin Hagemeister @marvinh.dev I build simple and fast things. Part of Preact team.
Jason Miller @developit.dev Platform DX at Shopify. Created #Preact. Do more with less.
#JavaScript #PreactJS #React #Frontend #DeveloperExperience #OSS #Coffee #Foxes #Drumming #Metalhead
Alex Reardon @alexreardon.bsky.social Software craftsman 👨🔧
Johan Westling @johanwestling.eurosky.social Digital craftsman of design & code. Based in the Åland Islands 🇦🇽
Zac Spitzer @zackster.bsky.social Politics, science, tech
#Lucee / #cfml
Aussie from Melbourne, living in Berlin
https://github.com/zspitzer
Mathias Bynens @mths.be ♥ JavaScript, HTML, CSS, HTTP, performance, security, Bash, Unicode, i18n, macOS. https://mths.be/
Ana Tudor @anatudor.bsky.social Same me, another platform. Authentic Transylvanian vampire. I sometimes code stuff. May involve some Maths. I enjoy music mandatory religion classes warned me about. And other things that may kill me.
Interaction mostly restricted.
anatudor.codeberg.page
@ferdyguliker.bsky.social @ferdyguliker.bsky.social 
Raymond Camden @raymondcamden.com Developer Advocate who spends all his time building demos involving cats. 
Patrick Walton @pcwalton.turbofishstudios.com Programming languages and graphics person. Rust compiler, Firefox, and Bevy contributor. Currently working on an unannounced project!
Luke @lukewarlow.dev 💻 Web Platform Engineer at @igalia.com
Participate in WhatWG, CSSWG, OpenUI CG
🦆 Nature lover
🏴 Cardiff
Tom Warren @tomwarren.co.uk Senior Correspondent @theverge.com ║ Sign up to Notepad, my weekly newsletter on Microsoft's big bets at http://theverge.com/notepad ║ Tips? msg me on Signal: tomwarren.01
Jason Schreier @jasonschreier.bsky.social Reporter at Bloomberg | co-host of Triple Click | New York Times bestselling author of Play Nice + Press Reset + Blood, Sweat, and Pixels | Email: jschreier@gmail.com | Signal: jschreier.10
Surma @surma.dev DX & monorepo at Shopify.
Craving simplicity, finding it nowhere.
Internetrovert 🏳️🌈 He/him.