PageSpeed.ONE @pagespeedone.bsky.social #WebPerf monitoring and consulting.
Czech republic based. 🇨🇿
https://pagespeed.one/en
Martin Michalek @machal.bsky.social Web Performance at PageSpeed.ONE
FrontKon Conference.
Prague based. 🇨🇿
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
Christopher Kurth @christopherkurth.com Web & Online Engineer ‧ WordPress Enthusiast
ckx.io/go/profil
thePerfGuy @neville98.bsky.social Geologist 🔨 turned software engineer 👨💻
Deeply interested in web performance, especially in the React ecosystem and associated technologies.
Let's connect
Jake Archibald @jakearchibald.com Developer of sorts at @webdevs.firefox.com, but this is my personal account. No thought goes unpublished. He/him.
Tim Carry @pixelastic.bsky.social 
Julien W @julienw.eurosky.social I work on the Firefox Profiler at Mozilla, among other things :-)
Stephen Cooper @scooper.dev Senior Developer AG Grid @ag-grid.bsky.social
Conference speaker and blogger
Typescript, Angular and React Performance
✝️ 4 Children, 2 🐕
lewis @lewis.bsky.social Artist, dog-lover, and avid reader.
Leander Gilles @leandergilles.com Web performance consultant located in Frankfurt a.M. Germany | Currently interested in Astro, Svelte, PayloadCMS, Postgres and Cloudflare
Vincent De Oliveira @iamvdo.bsky.social CSS, UI, JS & Maps
Mathieu Marchois ⏚ @mmarchois.bsky.social 🛠️ Software architect
🥷 Symfony / Flutter / Svelte / Turbo / NestJS
🌱 Founder fairness.coop
🚀 Founder @bobineapp.bsky.social
🥊 MMA / Muay Thaï
sebclick @sebclick.bsky.social #dev #php #tech et #écologie
ThibZ @tlenclos.bsky.social Web & mobile developer. Working with Node and React+native at
@premieroctet.bsky.social, ex @jolicode.com. Love JS, gaming, loud music and sharing knowledge. 🎸👾
Arnaud Lemercier 😇 @arnolem.fr Fondateur
- @wixiweb.fr #Rouen
- https://pingbreak.com,
- @fairemescourses.fr
- @codedesign.fr
Bio :
- #UX/#UI Designer
- Expert certifié #PHP
- Développeur #WEB
- Organisateur @codeursenseine.bsky.social
https://arnaud.lemercier.me
Matthieu B. @mattzender.bsky.social Matt Bousendorfer aka edenpulse — Lead Product Designer @agorapulse. I’ve been designing products & websites for over a decade. I love tech. 👨🏻💻☕️
Romuald @docroms.com Lead Dev @Euronews.com
I make the web faster, greener, and a bit more honest.
Web perf · a11y · sustainability · responsible AI
🔗 docroms.com
Florens Verschelde @fvsch.com Non-binary (they/them pronouns).
Web developer, photography enthusiast.
Benoist Lawniczak @punkadelistic.bsky.social Expert accessibilité numérique chez @access42.net
imglab @imglab.io Official imglab account at Bluesky 🦋
🚀 Optimizing visual media at the edge, delivering unparalleled performance and experience.
Visit us at https://imglab.io
Adrien G. @adgonc.bsky.social expert accessibilité numérique @access42.net (auditeur, formateur, ancien développeur front-end)
Andrew Betts @triblondon.trib.tv Drinking best practices; Ex Fastly, W3C TAG, Financial Times. I will sort your pens in order of length while you're not looking. 🌈🍸🇪🇺🚅🍜
Tim Vereecke @timvereecke.bsky.social Loves speeding up websites. Web performance architect @Akamai, also runs https://www.scalemates.com #WebPerf #PageSpeed #SEO
Paul Calvano @paulcalvano.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
Thomas Steiner @tomayac.com Developer Relations Engineer at Google, focused on the Web, WebAssembly, and Project Fugu 🐡. Dad-of-3.
Le Club de Mediapart @mediapartblogs.bsky.social Le Club est l'espace libre et ouvert, dédié aux abonné·es de @mediapart.fr
Analyses, opinions, témoignages, tribunes, blogs militants… Retrouvez ici une sélection quotidienne des billets publiés à la Une du journal et à la Une du Club. En accès libre.
Stefano Fabiani @stefano98.bsky.social Webperf enthusiast - @hynerd.it
Matt Hobbs (he/him) @therealnooshu.bsky.social • ex-Head of Frontend Development @ Government Digital Service (GDS).
• Passionate about #webperf & F1.
• Cancer survivor (grade 3 brain cancer, I named Gary).
• Don't blame my employer for the dumb things I say.
• https://hachyderm.io/@TheRealNooshu
Richard Dillman @rdillman.bsky.social I love building software. My passions are SEO, PageSpeed, and Standardization, and I love teaching them. I also spend time with Mentorship, Documentation, Testing, and Code readability.
Benoit Petit @bpetit.bsky.social Monitoring tech footprint on the environment and society
👨💻 maintainer of #scaphandre, #dcwatch & #dcfootprint
Co-founder #Hubblo https://hubblo.org
Contributor @boavizta.bsky.social
https://bpetit.nce.re
FR/EN
#climate #data #center #ai #osint #foss
Greg Miller @shrinkray.bsky.social Enhancing Customer Experience through Accessibility, Performance, Project Management, and UX Engineering
#gdgtoledo #toledotechloft #wptoledo #frontend
Running #events in the #Toledo, OH region. Reach out if you want to connect, join us, & give #talks!
Paris Web @parisweb.bsky.social Retrouvez-nous sur @paris-web.fr
Luc Poupard @kloh.bsky.social Designer front-end. Accessibilité et qualité web. Président de @paris-web.fr
Sérievore et gamer invétéré. Il/lui · He/him. Mastodon: @kloh@framapiaf.org
Paris Web @paris-web.fr L’événement pour un web accessible et de qualité : 21e édition les 24 et 25 septembre 2026.
Johannes Henkel @powdercloud.bsky.social I work on the Chrome User Experience Report (CrUX). Opinions (if any) are my own.
FRANCE 24 @france24.com 🌍 La chaîne d'information internationale en français
Suivez toute l'actualité du monde en #Direct :
💻 france24.com/fr/ 📡 f24.my/direct
𝕏 f24.my/Xfr 📷 f24.my/IGfr 🗨️ f24.my/WAfr ✈️ f24.my/TGfr
Renaud H. @renaud.novagaia.fr ⏚ Engagé pour un numérique responsable.
Born in 330 PPM 😶🌫️
Collectifs & associations : GreenIT, la faille
Raphaël Lemaire @rlemaire.bsky.social Consultant et responsable offres GreenIT à Zenika 🌱, épistémophile, musicien 🎸
https://raphael-lemaire.com/
Dave Cartledge @davecartledge.com Freelance front-end developer with a focus on a sustainable web 💚
👉 Currently looking for work 👈
davecartledge.com
Maarten van Lieshout @maartenvanlieshout.nl Frontend Developer • Star Trek • Pro-climate 🌱 • Building sustainable and efficient web solutions 💻♻️ • maartenvanlieshout.nl
Building terral.io 📚 - learn grammar, not just phrases.
'Plus on achète, plus on gaspille.'
Mike Gifford, CPWA @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
JoliCode @jolicode.com JoliCode est une agence experte dans la réalisation de projets Web et mobiles de qualité. Retrouvez nous sur jolicode.com- D Damien J. @damienjubeau.bsky.social
Peter Hedenskog @peterhedenskog.com Work: wikimedia.org
Oxymore @handle.invalid Accessibilité numérique #a11y, projets web, intégration, CMS de prédilection #SPIP, neutralité du net et protection des données, Fan de #lego et de #R2D2
claire @clairebaire.dev front-end engineer making websites performant and accessible at a big company. really like adhering to web standards and talking about public infrastructure.
chicago | she/her
Elly Loel @elly.lol ellyloel.com
queering the web.
trying to make things less shit.
#WebDesigner / #DesignEngineer ( #Accessibility #DesignSystems )
#WebPlatform & #WebStandards ( #HTML #CSS )
#Queer, #Disabled & #Neurodivergent ( #AuDHD #POTS )
see pinned post for more.
Jen Simmons @jensimmons.bsky.social Apple Evangelist on the Web Developer Experience team for Safari & Webkit. #PwME
Stef Walter @stephaniewalter.bsky.social UX Researcher & Strategist, Inclusive Designer in Enterprise UX. Speaker, Author, Mentor & Teacher.
Chaotic neutral tea & CSS lover.
Complaining = being alive.
She/Her 🌈
https://stephaniewalter.design/
http://neurospicy.agency/
Brian Louis Ramirez @screenspan.net Born in California, made in Germany. Loves making music, hiking and running. Blogs at https://screenspan.net.
Bridgy Fed for the fediverse @ap.brid.gy Bridgy Fed (https://fed.brid.gy/) bot user for the fediverse. To bridge your account to the fediverse, follow this account.
To ask a fediverse user to bridge their account, send their address (eg @user@instance) to this account in a chat message.
More i…
Glenn Conner @thestraylight.com Sr Staff Eng @Meta MSL, previously web-perf, devtools, and @instagram. Interested in games, art, technology, and distributing the future.
Sergey Chernyshev @sergeyche.dev I care about UX speed and organize NY UX Speed and Web Performance meetup
Phil Wolstenholme @wolstenhol.me Lead front-end eng @CoopDigital. Interested in the web (front-end, #a11y, performance), environment, bikes (everyday/utility) and science. @philw_@hachyderm.io
Colin @colinobrien.online Used to be small like a baby, but grew to current size. On a mission to make the web less user-hostile. In Brussels, Belgium.
Occasionally lurking here, mostly hanging out on the Fediverse.
https://colinobrien.online
0gust1 @0gust1.bsky.social Tea & beer drinker, dad of 2 △ web(UI, dev, engineering), dataviz, AI, biology (proteins/antibodies)+ slackline, photo, music, etc. △
Formerly: https://x.com/0gust1
More personal and up-to-date (mastodon): https://merveilles.town/@0gust1
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
Jack Franklin @jackf.io Googler focusing on web performance and performance tools.
Find me online at https://jackf.io
Jad Joubran @jadjoubran.io Independent JavaScript & Web Performance consultant
LearnJavaScript.online
LearnHTMLCSS.online
LearnTypeScript.online
https://React-Tutorial.app
https://SQL-Tutorial.app
More info: https://jadjoubran.io
🇳🇱 Amsterdam
@tzetan.bsky.social @tzetan.bsky.social 
@erikwitt.bsky.social @erikwitt.bsky.social 
Ethan Gardner @ethangardner.com I'm a full stack engineer with a bias toward the front-end. Web performance optimization, accessibility, and all that jazz.
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
Alex @alexdln.com Just a techie person
npmx.dev lover and a core team member
github.com/alexdln · alexdln.com/blog
atsky.app · robindoc.dev · nimpl.dev · slidebook.dev
London
She/They
Jordy Scholing @jordyscholing.bsky.social ❤️ web performance
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.
@erwinhofman.bsky.social @erwinhofman.bsky.social Google Developer Expert in web performance
CTO @ RUMvision.com
Also sharing over at https://linkedin.com/in/erwinhofman
Joshua Clare-Flagg @joshuaclareflagg.bsky.social Helping sites pass Core Web Vitals 🚀 | web performance and PageSpeed specialist | award-winning Wordpress developer | co-founder of 12and60.com
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😅
Jeremy Keith @adactio.com Mediocre middle-aged white man from Ireland living in Brighton, England working with Clearleft.
I play traditional Irish music on mandolin and I play slide bouzouki in the band Salter Cane.
https://adactio.com
Hidde @hidde.blog Into front-end, accessibility, ethics.
I work on standards for NL gov. Co-editor of WCAG 3, contributor of Web Sustainability Guidelines. On W3C's Advisory Board.
Blogger: hidde.blog, reader/concert goer: log.hidde.blog, speaker: talks.hiddedevries.nl.
DIANA @diana2.bsky.social Product Designer / FE Engineer | #a11y | CSS | Design Systems | she/her
Mandy Mitchell @mandymitchell.me 🏳️⚧️🏳️🌈Software engineer & raconteuse. Probably autistic? My dog thinks I write cool code. https://mandymusings.com/ for my tech blog
Amy @click2carney.bsky.social Digital accessibility specialist. #a11y Freelance web developer & consultant. Mom. Visually-impaired. Climate concerned. Librarian in an earlier life. #AlaskaSky
Amberley Romo @amberley.dev 👩🏻💻 Tired in tech. 🏋️♀️ Gym possum.
🧶 Made the yarn emoji happen.
🏳️🌈 Y’all means all. 📍ATX. She/her.
🌐 amberley.dev | a11y.coffee | amberley.omg.lol
🌵 Views and opinions my own
Lachlan Campbell @lachlanjc.com 🧑🏻💻 Worldwide web design engineer for climate (watershed.com) in San Francisco
🌞 Intentional optimist
🏳️🌈 LAHK-len – they/them
https://lachlanjc.com
Ryan Townsend @twnsnd.com Principal Product Manager @ Cloudflare • Public Speaker • 20+ YOE in Tech, 10 as CTO • LessonsofaCTO.com
Kevin Farrugia @imkev.dev Frontend Engineering. Web Performance. Be kind.
Sander Heilbron @sanderheilbron.nl Senior Digital Specialist | Technical SEO, Web Performance Optimization (WPO) & Accessibility | Founder & Maintainer of @httpstatus.io
Paola Valdivia @pao.lat Full stack Software Engineer - ex Data viz researcher
Riccardo Perra @riccardoperra.bsky.social Frontend Developer. OSS enthusiast. Working with Angular, TypeScript, SolidJS.
github.com/riccardoperra 👨🏻💻 🛠️ codeimage.dev
Guido van de Riet @guidovdriet.bsky.social Front-end engineer
AFUP @afup.org Association Française des Utilisateurs de PHP
Forum PHP 2026 - 8/9 octobre
Disneyland Paris
event.afup.org
dothash @dothash.win CTO in the Media Industry in Norway
• x.com/iamdothash
Omarchy Core Team member
Fabian Krumbholz @fabkru.bsky.social passionate about web performance, Google Developer Expert, speaker, writer
CJ @w3cj.com Full Stack Dev, Explainer of Things
Senior Creator at @syntax.fm / @sentry.io
Host of coding.garden on Twitch and YouTube
Damian Wajer @damianwajer.com Lifelong gamer & learner. Internet old-timer trying to be a good human ✌️
🏗️ 1% better every day
👨💻 Making web stuff since 2005
WebDev, Gaming, UX, WordPress, A11y, IndieWeb, SmallWeb, CSS, HTML
🇵🇱PL/EN🇬🇧
🔗 @honmaru.pl | https://damianwajer.com
Cliff Crocker @cliffcrocker.bsky.social I’m here for the RUM, WebPerf and dad jokes.
WebPerformance Report @webperfreport.bsky.social Web performance report every week in your inbox. ⚡
Sponsored by: @Catchpoint
👉 https://webperformancereport.com/
CSS Basics @cssbasics.fridayfrontend.com Front-end dev links aimed at beginners, posted daily. Brought to you by @fridayfrontend.com and curated by @spaceninja.com
Friday Front-End @fridayfrontend.com Front-end dev links posted daily, emailed weekly. We also offer @cssbasics.fridayfrontend.com for beginners! Curated by @spaceninja.com
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
Wes Bos @wesbos.com Fullstack Dev ❯ JS⚛ CSS Node ❯ JavaScript30.com ❯ wesbos.com/courses ❯ 🔥 Tips ❯ Podcast @syntax.fm
Ethan Marcotte @ethanmarcotte.com designer, writer, roommate to two kittens. here’s my website: https://ethanmarcotte.com/
I think you deserve a union, and I wrote a book about that: https://youdeserveatechunion.com/
hi friend
(headshot by @elaina.bsky.social)
Cassidy @cassidoo.co Making memes, dreams, & software!
Sr. Director of Dev Advocacy at GitHub. Married to a dweeb and mom to a nerdy toddler + baby combo. She/Her ✝️ CHI 🏠
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