Calibre @calibreapp.com We’re a friendly web performance platform that helps automate speed testing and act on reporting data, no matter your role.
Real User, Google CrUX & Synthetic Monitoring.
→ calibreapp.com
Niels Leenheer @html5test.com CTO of Salonhub. Creator of http://html5test.com, writes at http://nielsleenheer.com, team @FronteersConf, Google Developers Expert, Invite me to speak at your event.
James @43081j.com Lead: @e18e.dev - tinylibs - chai
Maintainer: parse5 - @unjs.io - @bomb.sh - chokidar - @npmx.dev - @vueuse.org - prettier
Sponsor me at github.com/sponsors/43081j
github.com/43081j / Focusing on ecosystem perf & tooling 🥳
rich harris @rich-harris.dev my life is derp and i do derp shit
Adam 🦄 UnicornClub.dev @admm.co I help product teams ship better interfaces. Every week get actionable patterns and standards. Build, Shape & Ship.
Subscribe for free → https://unicornclub.dev/?ref=bsky
Ben Holmes @bholmes.dev The Whiteboard Guy @warp.dev
Pixel Pioneers @pixelpioneers.co Conferences, workshops, and advice for a better web. Organised by @oliverlindberg.com. We'll return to Bristol in June 2027 for our 10-year anniversary!
https://pixelpioneers.co/
Ana Rodrigues @ohhelloana.blog 8 hours of sleep. 8 hours working as an unprofessional front-end dev @hactar.is
On my other 8 hours I poke my blog, take photos of my cat & try my best.
📧 hello@anarodrigu.es
Keen on IndieWeb, CSS, sustainability, plants, crafts she/her
ohhelloana.blog
Ewa Gasperowicz @devnook.bsky.social Developer Relations Engineer at Google Chrome helping to streamline workflows and smooth out the web development experience! All opinions my own.
Sacha Greif @sachagreif.com Founder @ Devographics. I run the State of JS/CSS/etc. surveys. Kyoto, Japan.
Into hiking, climbing, making music, LEGO…
https://sachagreif.com/
https://devographics.com/
Simon Willison @simonwillison.net Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonwillison.net/
WebExpo Conference @webexpo.bsky.social May 27-29, 2026 in Prague - tickets on sale now at webexpo.net
The conference covers deep tech & practical topics for developers, designers, product managers, and online marketers.
We love bringing people and technology together.
Dare Obasanjo @carnage4life.bsky.social Opinions about product management, technology news and inclusivity in tech. Diversity is about demographics, inclusion is about creating a sense of belonging.
Howie Hua @howiehua.bsky.social I teach math to future elementary school teachers at Fresno State. I make math memes and explainer videos. http://linktr.ee/howiehua
TK @iamtk.bsky.social 
Jack Franklin @jackf.io Googler focusing on web performance and performance tools.
Find me online at https://jackf.io
Framework @frame.work Remaking consumer electronics to respect people and the planet. 💻🪛
For support visit http://support.frame.work
MichiganTypeScript @michigantypescript.com A place for advanced TypeScript to call home.
Pascal Birchler @swissspidy.bsky.social Making the web more capable @ Google. WordPress core committer, maintaining WP-CLI. WordCamp Europe 2025 speakers team lead.
Todd H. Gardner @toddhgardner.com I start things.
https://www.toddhgardner.com/
PerformanceObserver @performanceobserver.dev A virtual meetup for the web performance community
https://performanceobserver.dev/
Joyee Cheung @joyeecheung.bsky.social She/her. I contribute to Node.js and V8. I post about museums, food, plants and other stuff too. Blog: https://joyeecheung.github.io/blog/
Hacker News Top Stories @hackernewsbot.bsky.social (Unofficial) Hacker News Bot with top stories updates.
Jobs from YC startups @whois-hiring.bsky.social
Creator @ykravchuk.bsky.social
Yosuke Furukawa @yosuke-furukawa.bsky.social 
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
Dev Agrawal @devagr.bsky.social He/Him
Content Creator, Software Architect
DevRel Engineer @powersync.com
Core team @solidjs.com
Organizer @momentumdevcon.com
youtube.com/@devagr
twitch.tv/devagrawal09
Klaas Ole Jordan @kojordan.com Web Development, Web Performance, Web Sustainability
🌐 kojordan.com
⚒️ SustySubs.net
Hank Green @hankgreen.bsky.social Long Time Internet Guy
Jon Kuperman @jonkuperman.com TC39 - Signals - Source Maps - TS/JS @Bloomberg. Previously I did web at Adobe and Twitter.
Opinions are my own.
Jodie Chan @jodiechan.bsky.social Cross-border web perf specialist by day, singer songwriter by night. Look for the one with the pink hair :)
Let's chat on #webperf, #music, #extremetrekking
Casey Newton @caseynewton.bsky.social Email salesman at Platformer.news and co-host at Hard Fork.
Jim Simon @jimsimon.dev Staff Software Engineer (Web Platform) @ Reddit
Also: Father of two boys • Loves hockey • Casual self-hoster • Nightly gamer
Opinions and posts are my own and don't reflect the views of my employer.
nate moore @natemoo.re 💣 building @bomb.sh
🚀 co-creator of @astro.build
🔥 design engineer at @sentry.io
✨ they/them
Martin Trapp @martr.app Maintainer at @astro.build 🚀
Maker of 👜 Bags of Tricks ✨for view transitions @vtbag.dev
Paul Frazee @pfrazee.com CTO at Bluesky. Not a nerd.
Theo @t3.gg Full time CEO & YouTuber. Also an investor and developer. More info at t3.gg
patak @patak.cat Open Source Adventurer
Project Steward @npmx.dev
Core @vite.dev @vitest.dev https://elk.zone
Director @stewardshiplab.org
Advisor @e18e.dev
GitHub @github.com The AI-powered developer platform to build, scale, and deliver secure software.
WebPerfWG @webperfwg.org The W3C Web Performance Working Group, making the web faster and more reliable since 2010!!
Planning to post on upcoming meetings, their summaries and generally exciting work that happens in the web performance space
Ryan Dahl @tinyclouds.org cofounder of deno and creator of node
https://tinyclouds.org/
https://github.com/ry
https://x.com/rough__sea
Dora Militaru @doramatadora.bsky.social Scaling microservices at Gousto. Built stuff at Fastly and the Financial Times. Web performance matters.
Nic Jansma @nicj.net Software developer building high-performance websites, apps, observability + OS tools @ Cloudflare. W3C WebPerfWG+RUMCG co-chair. he/him. ex-AKAM/MSFT.
Web Witch 🔮 Stephanie Stimac @seaotta.dev 💻 Designer & Product Manager for DevEx & Web Platform
📚 Author of Design for Developers.
🔮 Sassy web witch & actual witch.
🏴 Seattle gal in England.
💍 @jhey.dev
https://seaotta.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 🚀
Tanner Linsley @tannerlinsley.com ⚔️ Sir Tan @TanStack.com 🎉 TypeScript 🌎 Web ⚛️Open Source Software💡UI/UX/DX 💼Co-Founder @NozzleIO 👨👩👧👦@Ch_JesusChrist
Open Web Advocacy @open-web-advocacy.org Developers fighting self-serving restrictions imposed on the web by tech giants.
Help us end #AppleBrowserBan & make web apps 1st-class. https://open-web-advocacy.org
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
JSNation @jsnation.gitnation.org The main web dev conference 😍
🌉Amsterdam, June 11 & 15
🗽New York, Nov 16 & 19
Syntax @syntax.fm Tasty Treats for Web Developers with @wesbos.com @tolin.ski and @w3cj.com
Brought to you by @sentry.io
Stuart McMillan @stuart-mcmillan.com Digital geek, long time believer in great user experiences. I want to make websites better for all users and the businesses that run them.
Also, dad to Iona and Murdo.
I self-identify as a runner.
https://stuart-mcmillan.com/
Aleksey Kulikov @alekseykulikov.bsky.social #webperf, founder of https://treo.sh/, synth player, live in Maribor, Slovenia
Keerthana Krishnan @keerthanak17.bsky.social 
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
Rob Palmer @robpalmer.bsky.social JavaScript Infrastructure & Tooling at Bloomberg. Co-chairing TC39. Likely to tweet tech stuff about JS & software performance. Opinions are my own.
Mandy @mandymichael.bsky.social Lead Software Engineer, Frontend Dev, Speaker, Eng Manager (she/her) | GDE Web Tech, Microsoft Regional Director (MVP program) | http://instagram.com/adognamedjello
Paul Williams @pcwilliams.net Space/tech/music/kindness light my fire. Supporting STEM & education initiatives with Big Change & Mission 44; founded a scholarship at Virgin Galactic. I work for Bloomberg; opinions my own. I try and keep up with myself at https://pcwilliams.design
Jason Williams @jason-williams.co.uk JavaScript Infrastructure & Tooling @Bloomberg @TC39, creator of Boa (JS Engine)
@imeugenia.bsky.social @imeugenia.bsky.social 
@erwinhofman.bsky.social @erwinhofman.bsky.social Google Developer Expert in web performance
CTO @ RUMvision.com
Also sharing over at https://linkedin.com/in/erwinhofman
Karlijn Löwik @karlijnlowik.bsky.social CEO & Co-founder @RUMvision | Simplifying web performance | Women in tech advocate | Toddler mom | International speaker | Lover of memes | Co-chair RUM W3C | Board member Mage-OS NL
Feels like this bio is getting really long😅
Ryan Townsend @twnsnd.com Principal Product Manager @ Cloudflare • Public Speaker • 20+ YOE in Tech, 10 as CTO • LessonsofaCTO.com
Alain Schlesser @schlessera.dev Agentic Engineer & Software Architect | AI Agent Systems · Context Engineering · MCP | 25+ Years Building Complex Systems | Google Developer Expert | Speaker
PerfReviews @perf.reviews 🇺🇸 Experts in web performance, we help you to solve performance issues
🇪🇸 Expertos en web performance, te ayudamos a solucionar problemas de rendimiento
https://perf.reviews/
Medhat Dawoud @handle.invalid Sr Software Engineer @ Miro, #GDE for #webperf, Dad, Blogger(medhat.dev), Speaker, Baker, and Runner
I write about Performance, #A11y, DevTools, opinions are my own
juan ferreras @juanf.is engineer by day, over-engineer by night.
built: #LabelRadar (acq.)
building: ???
⭑ salma @whitep4nth3r.com whitep4nth3r.com
Staff Engineer at [REDACTED].
I am not on The Internet.
▨ weekly newsletter: whitep4nth3r.com/newsletter
♥ drummer, maker of musics @chromasetica.com
Christian "Schepp" Schaefer @schepp.dev Nick: Schepp | Into Front-End & WebPerf | Co-Host https://workingdraft.de | Co-Organizer https://fronteersconf.org, https://www.meetup.com/webworker-nrw & https://css.cafe | Co-Author https://wir-zaehlen.com
Mike Gifford, CPWA @ UN Open Source Week #UNOSW @ox.ca Open Standards & Practices lead at @CivicActions.com | #Drupal #Accessibility | Digital Services Coalition Board | @w3c Invited Expert #SustainableWeb #ARRM | http://ox.ca | #SolarPunk #Quaker #Feminist #Canadian #WebAlmanac #IAAPCPWA
#UNOpenSourceWeek
Hacker News Bot @newsycombinator.bsky.social not affiliated with Y Combinator, running on a pi in my basement
@jchico.bsky.social @jchico.bsky.social 
Kol Tregaskes @koltregaskes.bsky.social AI Art Creator 🎨 | AI Video Producer 🎬🤖 | AI Music Composer 🎵 | Tech & Science News Curator🔬 | Movie & Sci-fi Enthusiast 🍿 | Geek at Heart 🤓 | #AI #Tech- J Jean-François Tavernier @jftavernier.bsky.social Directeur de cabinet adjoint et directeur de la communication - Rectorat de Strasbourg
Daniel Friedman @danielfr.bsky.social Solar/electrical engineer. RPG GM, Critter, Nerdfighter. Bilingüe 🇨🇱 / 🇺🇸. He/Him. PFP by @juanin.bsky.social
John Resig @johnresig.com Creator of jQuery, Chief Software Architect at Khan Academy, Japanese print nerd. https://johnresig.com/ https://ukiyo-e.org/ (bot: @ukiyo-e.org)
Node.js @nodejs.org The Node.js JavaScript Runtime. 🐢🚀 Need help with Node.js? We've got a repo for that: https://github.com/nodejs/help
apenwarr @apenwarr.ca wvdial, bup, sshuttle, netselect, popularity-contest, redo, gfblip, GFiber, atlogin.net, and now Top Chicken @Tailscale.com doing WireGuard mesh. First search result for "epic treatise."
@ccaramuru.bsky.social @ccaramuru.bsky.social 
Dan Friedman @dfriedman.bsky.social Mother Jones reporter. Covering corruption, foreign influence. Derrick White enthusiast. Signal: danfriedman.67
Mugaa @muugaa.bsky.social @_mugaa
Sharon Goldman @sharongoldman.bsky.social Journalist and founder, Ground Level AI
www.groundlevel-ai.com- S LukaSkywalker @skywalkerin.bsky.social
Paul Graham @iampaulgraham.bsky.social 
Eric Migicovsky @ericmigi.com Inventor of things.
Currently working on rePebble.com
Previously: cofounder Beeper.com, partner @ycombinator, founder @pebble
Dave Munichiello @davemuni.bsky.social Managing Partner @GVteam where we empower high-agency, high-growth founders. http://gv.com. Previously GtM/Ops @KivaSystems+@Amazon. Paratrooper, Combat Veteran.
Ganymede (Bluesky edition) @angellist.bsky.social no femboys please :(
20 (NO MINORS PLEASE) (rare nsfw rts)
It/its please
Pete Skomoroch @peteskomoroch.bsky.social Investor and AI startup founder. Focus: AI, LLMs, LifeOps, AI Product Management. Was founder @SkipFlag. EIR @Accel. Data Science & ML @LinkedIn, @AOL & @MIT
Igor Minar @igor.dev Helping make the world a bit better through better Web. I love creating great things with great people. He/him. @Cloudflare. Previously: Angular, Google, Sun
Jeff Cross @jeffbcross.bsky.social Nx, monorepos, pigs, microcars, ITYSL
I like my own posts
vojta @vojta.io 🦄 design engineer at @badass.dev
💙 collaborating with expert developers to create professional training products
⚡️ vojta.io
Max @maxlynch.com Just a dude
Pawel Kozlowski @pkozlowski.bsky.social Open source, Angular. 
Swiip @swiip.bsky.social 
John Papa @papa.dev Family, Catholic, Disney, StoryTeller 🎭, technology leader, Siena College grad. DevRel @ MSFT - he/him {@IG _john.papa} and co-host of Web Rush podcast https://webrush.io 
Dan Wahlin @danwahlin.bsky.social 👨💻 Cloud Developer Advocate (Azure, AI, JS/TS, more) | Microsoft
📺 Pluralsight Author | codewithdan.me/ps-author
✍️ Blog | blog.codewithdan.com
John Lindquist @johnlindquist.com Sign up for my Claude Code Power User workshop:
https://egghead.io/workshop/claude-code
Marcy Sutton Todd @marcysutton.com Senior engineer frontend infrastructure at @KhanAcademy.org, accessibility advocate, cyclist, hiker, wife, mom 💚 Bellingham, WA
Dave Smith @davidgregsmith.bsky.social Landscape ecologist at the Australian National University. Living in the Blue Mountains doing research on biodiversity on farms. Big fan of the natural world. He/him
Brian Ford @brianford.bsky.social Biologist
https://linktr.ee/brianford