
Harry Roberts
@csswizardry
🚀 Independent Web Performance Consultant • Speaker • Google Developer Expert, Web Performance • Accepting new clients • harry.is/for-hire
ID: 24765829
https://csswizardry.com 16-03-2009 20:45:26
48,48K Tweet
67,67K Followers
427 Following

Chris Heilmann codepo8.bsky.social
@codepo8
The robots are coming and we need to make a great example for them. Author, presenter, A11y lover, Online teacher at Skillshare and LinkedIn Learning
Laurie Voss
@seldo
VP DevRel @llama_index. Previously: data at @Netlify, co-founder @npmjs. 🏳️🌈🇹🇹🇬🇧🇺🇸 he/him @seldo.com on BlueSky.
Chris Coyier
@chriscoyier
Co-founder @CodePen. Podcasts @ShopTalkShow. Married @jmm. Ran CSS-Tricks 2007-2022. I like it when you like things.
Dan Mall
@danmall
Helping designers to get their flowers and make more money. Ran @superfriendlyco for a decade then sold it. Now creating @designsystemu and @greatjobkids.
Wes Bos
@wesbos
Fullstack JS Dev ❯ BeginnerJavaScript.com ❯ JavaScript30.com ❯ wesbos.com/courses ❯ Posts 🔥 Tips ❯ Co-hosts @SyntaxFM
FITC
@fitc
We host events that inspire, educate and connect digital creators around the globe.
Vitaly Friedman 🇺🇦🏳️🌈
@vitalyf
UX Designer/Consultant • Founder, editor-in-chief, creative lead @SmashingMag • Speaker • Loves good design patterns and doesn’t give up easily. 🍣
Dan Klammer
@danklammer
Design Engineer. Webperf Optimizer. Tinkerer.
Brad Frost
@brad_frost
I'm sad to have to leave, but I have to. You can find and follow me elsewhere: bradfrost.com/blog/post/good…
Aymen Loukil
@loukilaymen
International SEO - Webperf Consultant-Founder speetals.com CEO sawtly.com -Speaker, entrepreneur.Vibe coder #vibejam raceviberz.com
WebKit
@webkit
Official Twitter account for the WebKit Open Source Project — the web browser engine that powers Safari and other apps on macOS, iOS, Windows, and Linux.
Sarah Gooding
@pollyplummer
Head of Content Marketing @socketsecurity (socket.dev) Open source and open web advocate, runner, knitter. Also at bsky.app/profile/sarahg…
Brad Cornes
@bradlc
UI engineer at @ClerkDev. Previously: @tailwindlabs @parallax. Board games and CSS.
Jono Alderson
@jonoalderson
Award-winning technical SEO consultant. I help brands to compete on technical SEO, performance, and structured data.
Jake Archibald
@jaffathecake
Engineer at @Shopify. No thought goes unpublished. 'IMO' implicit. He/him. Also jaffathecake on Mastodon, bsky, Threads etc.
Jason Lengstorf
@jlengstorf
I make tv for developers at @codetv_dev web dev can be fun. CodeTV is out to bring a little joy back into learning and building email: [email protected]
Jason Miller 🦊⚛
@_developit
Platform DX @Shopify. Created @preactjs. Do more with less. github.com/developit @[email protected]
Vinicius Dallacqua
@webtwitr
Building agent.perflab.io, film photography, web performance nerd.
Anthony Green
@nthonygreen
Anthony Green: working in web development, ecommerce in the hotel industry [email protected]
Paul Williams
@pcwilliams
Engineering @Bloomberg; tech/space/music; raising £ for @bigchange_; scholarship founder at @virgingalactic; advocate for STEM & women in tech. Opinions my own.
Rich Harris
@rich_harris
Cheese fan. I work on @sveltejs at @vercel. Mostly posting at bsky.app/profile/rich-h…
Dr Lea Verou
@leaverou
I make things that help people make things. • Product Lead @fontawesome • @w3ctag alumni • @csswg Inv. Expert • HCI PhD @MIT • Also @[email protected]
Domenic Denicola
@domenic
Working on @googlechrome to make the web better. Mainly as a way to pass the time before the singularity hits.
Sophie Gibson
@sophiegibson
Technical SEO Director at @StudioHawk 🪶 #QueenOf Penguin Gifts & #SmallBiz runner @PenguinPatrolUK 🐧 She/Her
Addy Osmani
@addyosmani
Engineering leader, @GoogleChrome • Author • Great user & developer experiences • @ChromiumDev @ChromeDevTools • @GoogleDeepMind • AI, DX, UX
Jacob 'kurtextrem' Groß
@kurtextrem
Sr. Performance Engineer @Framer · webperf/UX/security · @[email protected]
Google for Developers
@googledevs
Discover the latest developer tools, resources, events, and announcements to help you build smarter, ship faster. 🚀
Tanner Linsley
@tannerlinsley
⚔️ Sir Tan @Tan_Stack 🏝️ TypeScript 🌎 Web ⚛️Open Source Software💡UI/UX/DX 💼Co-Founder @NozzleIO 👨👩👧👦@Ch_JesusChrist
kitze ⛴️
@thekitze
sizzy.co ♦︎ benji.so ♦︎ zerotoshipped.com ♦︎ joinrepo.com ♦︎ kitze.io
Tejas Kumar
@tejaskumar_
Host, ConTejas Code Podcast. Best Selling Author, Fluent React (@oreillymedia). Keynote Speaker. Investor. Advisor. AI @ibmdata. Ex-@vercel, @spotify, @xata...
TK • 木下
@wordsofteekay
coding . ml . math . writing . books . github.com/imteekay
Denby Pottery
@denbypottery
Feel-good ceramics. Made in England. Shop denbypottery.com
GTmetrix
@gtmetrix
News and updates from GTmetrix: A free website performance testing and monitoring tool
Marc Backes
@themarcba
Tech Lead, Full-Stack Dev 🥞 • Vue, Nuxt, Node, TypeScript • Student Pilot 👨✈️ • Public speaker, MC 🗣️ • Hobby Roaster ☕️ • Co-organizer @BELvue_meetup 💚
Adam Argyle
@argyleink
ex-Googler, ex-Chrome, ex-CSSWG member, ex-co-host: #CSSpodcast. @badatcss, maker of VisBug, @OpenProps, gradient.style and much more
Peter van Meijgaard
@petervmeijgaard
Full stack developer
lil uzi perf
@ken_wheeler
practically irresistible. violently suburban. I made a jQuery plugin, gave a few talks and made a couple beats. sealand nobleman. former child.
Sindre Sorhus
@sindresorhus
I make apps and open source. Made @awesome__re. Also: @sindre_gh_repos @[email protected]
Christoph Rumpel 🤠
@christophrumpel
Father, Husband 👨👩👧 Working at @laravelphp PHP Developer & Educator learn.christoph-rumpel.com
Mark Dalgleish
@markdalgleish
🦄 CSS Modules co-creator / 💿 @remix_run + React Router at @shopify / @MelbJS organiser / 🧁 Vanilla Extract / dad x4
Erwin Hofman (perceived) performance, CWV, RUM
@blue2blond
Google Developer Expert. Empowering agencies & e-commerce to address PageSpeed + Core Web Vitals themselves 🎓 via audits and training + building RUMvision.com
Gilberto Cocchi
@gilberto_cocchi
I am a websites dietician, passionate about #webperf, focusing on #webvitals in Google. Opinions are my own. Staff Web Ecosystem Technical Consultant @Google.
Yorkshire Air Ambulance
@yorkshireairamb
Yorkshire Air Ambulance saves lives. One day it could be yours. We are an independent charity and we need to raise £19,000 a day to keep our aircraft flying.
Jane Hissey
@janehissey
writer and illustrator of the 'Old Bear' books and 'Old Bear Stories' TV series.
DP
@sarkies_proxy
Married. Dad. Regeneration enthusiast. Feminist. Northerner. Plumstead. LFC. Lefty. All views my own, not of my employer; as they are shit. Not worth following.
Tyler Denk 🐝
@denk_tweets
cofounder/ceo @beehiiv. former product at google, morning brew. creator of @bigdeskenergy 🕺🏽
Ori Livni
@orisomething
Advocate for “on-call driven development” and TypoScript
Sara Soueidan
@sarasoueidan
Web user interface engineer & educator • creator of the Practical Accessibility course: practical-accessibility.today • '@sarasoueidan.com' on Bluesky 🦋
David K 🎹
@davidkpiano
Making state machines at @statelyai · prev. @Microsoft · I play piano
James Q Quick
@jamesqquick
Head of DevEx at @makeswifthq | Content Creator, Keynote Speaker, and DevRel Consultant. Motto - #LearnBuildTeach
embersunn
@embersunn
Cloud Software Engineer in Healthcare & Cancer Treatment | Tech Commentator
Simo Ahava
@simoahava
Find me on LinkedIn and Twitter. I am no longer active here.
SPDY meetup: a web performance event.
@spdy_meetup
SPDY meetup: a web performance event curated and organized by @HenriHelvetica.
Chris D 🛸👣👻
@saltnburnem
UFOs/UAPs/USOs, Cryptids, and Ghosts | Paintball | @MajorLeagueFish & @bassmaster Co-Angler | 👉🏻 Tweets & opinions are my own 👈🏻
Yulia Korneva
@qorneva
brand • strategy • comms 👩🏻💻
Yorkshire
@yorkshire2018
Proud to be a Yorkshireman! This is a Twitter account for Yorkshire folk. Please follow if you love God's Own Country! #yorkshirepost #BBCLookNorth #northyorks.
Cult.Repo (formerly Honeypot)
@cultrepo
🎬 Creators of OSS Origin Stories | Our mission—to document the complete history of every major open source language ever created. Subscribe on YouTube
DebugBear
@debugbear
Monitor page speed and Core Web Vitals in the lab and with real user data.
Madison
@madisonkanna
tech optimist learning cs/math/ml. building learn0utloud.com @CodeBookClub. my notes: madisonkanna.substack.com
Aiden Bai
@aidenybai
make anything @samedotdev | speed up your site react-scan.com
Oliver Medhurst
@canadahonk
compiling JavaScript ahead-of-time: porffor.dev | TC39 & WinterTC invited expert
Emily | PodRocket Producer 🏳️🌈
@emily_kochanek
producer for @podrocketpod + LaunchPod | normie in tech | 🏳️🌈
Luke Deeley
@deeleyshuffle
Came back to twitter mainly to beef cowboys fans. Cyclist and occasional climber of boulders
Hull Frontend
@hullfrontend
A community conference and meetup for front-end developers and web designers in and around Yorkshire.
🦋 Alexander Lichter
@thealexlichter
DevRel @voidzerodev • Web Engineering Consultant • @nuxt_js Team • Speaker • @dejavuefm Podcast Host
Cassie Evans
@cassiecodes
🫖 cosycore devrel @GreenSock. creative tinkerer. 💜 cassiecodes on discord
Devoxx Greece
@devoxxgr
Devoxx Greece 2025 (third edition) takes place from April 10th until the 12th in the Athens Megaron International Conference Center.
Intent To Ship
@intenttoship
I tweet when browser makers announce an intent to ship, change or remove features in their web engines! 🦋 / 🦕 @ intenttoship.dev