#performance

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Building swift yet functional apps should be what all developers aspire to. And since you do, we put together a collection of talks and tutorials on application performance and made them available for free. Whether your challenge is on the front-end or the back-end, these talks and workshops will give your great tips and inspire you to try new solutions.
Addy Osmani
Addy Osmani
Google, USA
Talk: The Future of Performance Tooling
Addy Osmani is an Engineering Manager working on Google Chrome. He leads up a Web Performance and tools team focused on making the web fast. His teams contribute to projects like Core Web Vitals, Lighthouse, PageSpeed Insights, Chrome User Experience Report and others.
Will Eastcott
Will Eastcott
PlayCanvas, UK
Talk: Optimizing HTML5 Games: 10 Years of Learnings
Will Eastcott is CEO and co-founder of PlayCanvas, an open source, browser-based game engine. Will is a 25 year veteran of the games industry, with credits in Call of Duty, Max Payne, DJ Hero and many more. Will is a vocal advocate for open source and open standards and is currently obsessed with taking the web into the third dimension.
Mark Dalgleish
Mark Dalgleish
SEEK, Australia
Talk: Zero-runtime CSS-in-TypeScript with vanilla-extract
CSS Modules co-creator, Playroom, Braid, MelbJS. OSS / UI / design / tooling at @seek-oss
Rafael Silva
Rafael Silva
NearForm, Brazil
Talk: The Clinic.js Workshop
Rafael is an active member of the global open source community. He’s a Node.js Core member, Fastify core member, Clinic.js core member, and member of the Node.js Diagnostics Team. His experience in backend development involves developing projects with requirements to be low latency along with software and architecture optimization.
Michele Riva
Michele Riva
NearForm, Italy
Talk: High-performance Next.js
I'm a passionate and experienced software architect from Milan, Italy. I've been working as a software engineer and architect for almost ten years in product and consultancy companies, taking the best from both worlds. I'm currently working as a Senior Software Architect in NearForm while contributing to many open-source projects in different languages (TypeScript, Haskell, Golang), writing books and technical articles.
Michele Riva
Michele Riva
NearForm, Italy
Talk: You don't want to Server-side Render your Next.js App
I'm a passionate and experienced software architect from Milan, Italy. I've been working as a software engineer and architect for almost ten years in product and consultancy companies, taking the best from both worlds. I'm currently working as a Senior Software Architect in NearForm while contributing to many open-source projects in different languages (TypeScript, Haskell, Golang), writing books and technical articles.
Chinenye Onuegbu
Chinenye Onuegbu
Software Engineer, Germany
Talk: Performance is User Experience: Optimizing the Frontend for the Users
A software engineer focusing mostly on JavaScript and web technologies. You'll find me wherever web technologies are found!
Michael Hladky
Michael Hladky
Push-Based, Austria
Talk: High-Speed Web Applications: Beyond the Basics
Michael Hladky is a Google Developer Expert (GDE), Microsoft MVP, trainer, and consultant with a focus on Angular and RxJS. For years he has been helping companies and developers to set up scalable architectures and performant processes enabling teams to keep up with state-of-the-art development. A vibrant member of the tech community, he organizes multiple community events and workshops each year to give back.
Nadia Makarevich
Nadia Makarevich
Pyn, Australia
Talk: Let’s Talk about Re-renders
Nadia is a Frontend Architect, experienced coder and tech blogger. She loves debugging mysterious bugs, solving hard problems with simple solutions and writing articles, that make complicated advanced concepts easy to understand. She managed to escape from locked down Australia in the middle of the global pandemic and now enjoys the life of a digital nomad all over the world.
Lena Zhukova
Lena Zhukova
Wix, Ukraine
Talk: The Only Way to Eat an Elephant - Code Splitting With Server Side Rendering
Lena is a Frontend Developer and Ex Lawyer, she has a passion for fashion trends, frontend technologies and Kyiv balconies. In the last few years she worked on Wix Groups - a social network for communities within Wix Sites. She joined Wix Bookings in Amsterdam to Democratize the way people book services online.
Colby Fayock
Colby Fayock
Applitools, USA
Talk: Engaging Ecommerce with the Visual Web
Learning by doing is the best way to learn and it’s how Colby Fayock helps others learn about Javascript, React, and the static web. His work includes writing on freecodecamp.org, videos on YouTube, and courses on egghead.io as well as his first book 50 Projects for React & the Static Web.
Kasper Mol
Kasper Mol
Poki, Netherlands
Talk: Conversion to Play: The Art of Loading
Indie developer in his free time, writes code + does generally awesome web and gaming stuff @ Poki.
Omar Shehata
Omar Shehata
Snapchat, USA
Talk: What Can you Do with WebGPU?
Omar is a graphics programmer working on mapping software currently based in Ithaca, NY. He is the co-creator of a desktop game, Move or Die. He has published over a dozen flash games that have been played millions of times. He loves the the universal accessibility of creating things for the web and enjoys writing computer graphics tutorials to help others create awesome stuff for the web.
Oz Syed
Oz Syed
Sauce Labs, Canada
Talk: Detect and Avoid Common Performance and Memory Issues in Unity WebGL Builds
Oz is a Game Dev Evangelist at Backtrace, A Sauce Labs Company. He has over 15 years of experience in the game industry in various senior technical roles in gaming and software engineering. His major interests are emerging tech, machine learning and creating new tech products involving gaming or gamified applications.
Shivay Lamba
Shivay Lamba
Meilisearch, India
Talk: High Performance Node.js Powered by Rust and WebAssembly
Shivay Lamba is a software developer specializing in DevOps, Machine Learning and Full Stack Development. He is an Open Source Enthusiast and has been part of various programs like Google Code In and Google Summer of Code as a Mentor and has also been a MLH Fellow. He is actively involved in community work as well. He is a TensorflowJS SIG member, Mentor in OpenMined and CNCF Service Mesh Community, SODA Foundation and has given talks at various conferences like Github Satellite, Voice Global, Fossasia Tech Summit, TensorflowJS Show & Tell.
Robert Hostlowsky
Robert Hostlowsky
Instana, Germany
Talk: Performance Monitoring of a Heterogeneous GraphQL Mesh App
Currently, Robert Hostlowsky is working as a developer, coach and systems engineer. He published an online video course about developing a full-stack GraphQL application online-course. He loves DevOps culture on modern cloud infrastructure, uses the latest state-of-the-art web technologies, and loves how it plays nicely together at minimum effort and cost. He loves web technologies. Feeling being a part of the developer community he is co-organizing the JSCraftcamp, Munich.
Ankita Masand
Ankita Masand
Treebo, India
Talk: GraphQL Performance and Monitoring
Ankita is an Associate Architect at Treebo. She likes writing technical blogs and makes it a point to explain convoluted technical jargon in simple and concise language.
Tamar Twena-Stern
Tamar Twena-Stern
XM Cyber, Israel
Talk: Effective Performance Testing to your Server with Autocannon
Tamar is a software developer , manager and architect. She has a decade of software engineering experience in various technologies: Server side, big data, mobile, web technologies, and security. She is currently focusing on Node.js, and has a deep knowledge of Node.js server architecture and Node.js performance optimisations.
Simon Zhong
Simon Zhong
Sentry, USA
Talk: Track Slowdowns and Crashes in your React apps
Simon Zhong is a Sales Engineer at Sentry with almost 10 years of experience in enterprise software. He attended the University of Edinburgh and is a graduate of University of California, Davis in Computer Science. He is an American born Chinese (ABC) who is a native English speaker with conversational proficiency in Cantonese.
Ruben Casas
Ruben Casas
American Express, UK
Talk: Micro-Frontends Performance and Centralised Data Caching
Software Engineer and Architect. Currently building Micro Frontends Frameworks At American Express. I enjoy exploring new technologies and sharing my experiences with others.
Michel Weststrate
Michel Weststrate
Meta, UK
Talk: Beyond Virtual Lists: How to Render 100K Items with 100s of Updates/sec in React
Open source fanatic, speaker and trainer. Author of MobX, MobX-State-Tree, Immer and a plethora of smaller packages. On a continuous quest to make programming as natural as possible. React, JavaScript and TypeScript fan. Working at Facebook on dev tooling for mobile developers.
Filip Rakowski
Filip Rakowski
Vue Storefront, Poland
Talk: How to Measure Performance Effectively?
Filip is CTO and co-founder of Vue Storefront - Open Source eCommerce Frontend Platform. He is an active member of Vue.js Community, co-organiser of Wrocław Vue.js meetups and speaker on international Vue.js and Javascript conferences. He focuses mainly on eCommerce and web Performance.
Max Stoiber
Max Stoiber
GraphCDN, Austria
Talk: How to cache GraphQL queries at the edge
JavaScript Engineer from Austria in love with React and Node. Previously he worked at GitHub, who acquired the startup he co-founded, Spectrum. He is well known for making styled-components, react-boilerplate, and a wide variety of other open source projects in the React ecosystem.
Ryan Carniato
Ryan Carniato
eBay, USA
Talk: SolidJS - Reactive JSX
JavaScript performance enthusiast and fine-grained reactivity super fan. Works on @MarkoDevTeam at eBay. Author of the @solid_js.
Nikhil Chandrappa
Nikhil Chandrappa
Yugabyte, USA
Talk: Going from Zero to Building Multi-Region GraphQL Applications
Nikhil is a Software Engineer at Yugabyte. He is leading the efforts on YugabyteDB integrations with open source developer tools like GraphQL, Spring Data, R2DBC, and Kubernetes. He also works with the developer community on the adoption of Distributed SQL databases in cloud native applications. He has presented at major developer conferences, including Spring One Platform, PostgreSQL Conference, and Distributed SQL Conference. He is originally from Mysore, India, and has a master’s degree in Computer Engineering from Syracuse University.
Nacho Anaya
Nacho Anaya
Checkly, Argentina
Talk: JAM Stack Deployment Platforms and Performance Comparison
I am Lead Open Source Engineer at @ChecklyHQ, Tech Trainer, and Speaker. I have been working, teaching and spreading JavaScript technologies for more than 10 years. Right now, I am mostly working with Vue.js and Node.js but I like to contribute to any kind of dev community or OSS project. When I am not coding or traveling, you can find me playing hockey in Buenos Aires.
Glen Maddern
Glen Maddern
Cloudflare, UK
Talk: The Rise of the Dynamic Edge
Co-creator fab.dev. Founder of linc.sh.
Yonatan Kra
Yonatan Kra
Vonage, Israel
Talk: Nodejs Runtime Performance Tips
Yonatan has been involved in some awesome projects in the academy and the industry - from C/C++ through Matlab to PHP and javascript. Former CTO at Webiks and Software Architect at WalkMe. Currently he is a software architect at Vonage and an egghead instructor.
Richie McColl
Richie McColl
DAZN, UK
Talk: Visualising Front-End Performance Bottlenecks
Software engineer. Passionate about web performance.
Milecia McGregor
Milecia McGregor
Conducto, USA
Talk: Making Your React Apps Perform At Scale
Milecia is a senior software engineer that's worked with JavaScript, Angular, React, Node, PHP, Python, .NET, SQL, AWS, Heroku, Azure, and many other tools to build web apps. She also has a master's degree in mechanical and aerospace engineering and has published research in machine learning and robotics. She started Flipped Coding in 2017 to help people learn web development with real-world projects and she publishes articles covering all aspects of software on several publications, including freeCodeCamp. In her free time, she spends time with her husband and dogs while learning to play the harmonica and trying to create her own mad scientist lab.
Majid Hajian
Majid Hajian
Softiware AS, Norway
Talk: Let the Main Thread Breathe!
Majid Hajian is a passionate software developer with years of developing and architecting complex web and mobile applications. His passions are Flutter, PWA, and performance. He loves sharing his knowledge with the community by writing and speaking, contributing to open source, and organizing meetups and events. Majid is the award-winning author of the "Progressive web app with Angular" book by Apress and the "Progressive Web Apps" video course by PacktPub and Udemy. He is (co)organizer a few Nordic conferences and meetups including GDG Oslo, FlutterVikings, Mobile Era, and ngVikings.
Martin Splitt
Martin Splitt
Google, Switzerland
Talk: Core Web Vitals - What, Why and How?
Martin is a developer advocate on the Webmaster Trends Analyst team at Google Switzerland. In this role, he helps developers and content creators build great content on the Web. He is involved with the W3C as well as the global web and JavaScript developer community, working to keep the Web open. Martin has over a decade of experience in software engineering in multiple fields.
Yonatan Kra
Yonatan Kra
Vonage, Israel
Talk: Practical Web App Performance Problem Solving
Yonatan has been involved in some awesome projects in the academy and the industry - from C/C++ through Matlab to PHP and javascript. Former CTO at Webiks and Software Architect at WalkMe. Currently he is a software architect at Vonage and an egghead instructor.
Lee Robinson
Lee Robinson
Vercel, USA
Talk: How Core Web Vitals Will Affect Google Rankings in 2021
Lee is a developer, writer, and course creator. He currently works at Vercel as a Solutions Architect and leads DevRel for Next.js. He frequently speaks about front-end development, design, and the future of the web.
Ben Michel
Ben Michel
Datadog, USA
Talk: Shipping High Performance React Apps with Datadog and Real User Monitoring
Ben cares about enabling developers, and supporting open source projects that push the Web forward (OpenJS Foundation, Node.js, tc39, Unicode Consortium). As a Technical Evangelist at DataDog, he’s helping devs create delightful experiences by using real user monitoring, and distributed synthetic testing. Ben has also led JavaScript meetups over the years (PDXNode, WebAudioPDX), and occasionally produces music.
Marissa Masangcay
Marissa Masangcay
Cloudinary, USA
Talk: Faster media = faster websites
Marissa Masangcay is a Technical Marketing Specialist for Cloudinary and has worked for the company since 2017. She has also served as one of Cloudinary’s Developer Support Engineers, where she responded to customers’ technical support requests and feature-related questions, as well as debugged customer issues and wrote code samples in multiple development frameworks. She has also served as a volunteer instructor for Girls Who Code, which is a nonprofit dedicated to teaching girls in grades 6-12 the fundamentals of coding. Marissa graduated with her bachelor’s degree in computer science from the University of San Francisco.
Pramod Shenoy
Pramod Shenoy
Cloudinary, USA
Talk: Faster media = faster websites
Pramod Shenoy is currently working as a Solutions Architect at Cloudinary. His interests align with his 8 years of experience at Akamai and Catchpoint in web performance and optimization, CDNs and monitoring digital experiences. Outside of work Pramod likes to hike, read blogs on tech, sports and stock markets.
Akshay Ranganath
Akshay Ranganath
Cloudinary, USA
Talk: Faster media = faster websites
Akshay Ranganath is a Solution Architect at Cloudinary responsible for bringing customers on-board, helping them create work-flow for media management and media delivery. While not working, you'll find him holding camera and indulging in some photography.
Chris Ferdinandi
Chris Ferdinandi
The Vanilla JS Guy, USA
Talk: Service Workers: How to Run a Man-in-the-middle Attack on Your Own Site for Fun and Profit
Chris Ferdinandi helps people learn vanilla JavaScript. He believes there’s a simpler, more resilient way to make things for the web. His developer tips newsletter is read by thousands of developers each weekday. Learn more at GoMakeThings.com.
Ken Wheeler
Ken Wheeler
React Artist, USA
Talk: Doing the Least Amount of Work Possible: An Intro to Runtime Performance
Core Architecture@[REDACTED], ReactJS Advocate, Speaker, Producer, Synthwave Artist, Google Dev Expert.
Tamas Piros
Tamas Piros
Cloudinary, UK
Talk: Panel Discussion: Get to Know: Web Performance and Core Web Vitals
Tamas is a Google Developer Expert in Web Technologies and a Developer Experience Engineer. He has more than a decade of experience delivering technical training to large, prestigious organisations. He is passionate about unlocking the latest & greatest features of web development.
Eric Portis
Eric Portis
Cloudinary, USA
Talk: Panel Discussion: Get to Know: Web Performance and Core Web Vitals
Eric lives and works in Bellingham, WA. He used to produce fine art prints for a living and do web standards as a hobby; in 2016 he flipped that script and now works as a Web Platform Advocate at Cloudinary.
Cassidy Williams
Cassidy Williams
Netlify, USA
Talk: Panel Discussion: Get to Know: Web Performance and Core Web Vitals
Principal Developer Experience Engineer at Netlify. I like jokes, karaoke, and mechanical keyboards!
Houssein Djirdeh
Houssein Djirdeh
Google, USA
Talk: Panel Discussion: Get to Know: Web Performance and Core Web Vitals
After writing his first line of JavaScript, it only took Houssein three short years to become an accomplished developer, author, speaker, and advocate. He is an engineer on the Chrome and Web team at Google working on improving the open-source framework ecosystem. Houssein has given talks on progressive enhancement and building for the mobile user at dozens of conferences and events worldwide.