WeAreDevelopers Logo WeAreDevelopers
Sign in
For You LIVE
World Congress 2025 • Aug 20, 2025 • Session details

Marko.js: Unsung Hero of Scalable Web Frameworks

Eugene Fidelin

Battle-tested by eBay since 2014, Marko.js quietly pioneered modern frontend architecture. Discover why this server-first framework processes requests twice as fast as React.

Pause
Mute Enter Fullscreen
#1 about 4 min

Multi-page application challenges and rendering options

Current approaches for building universal applications demand clear trade-offs between performance optimization effort and ecosystem maturity.

#2 about 3 min

Marko template syntax and core component structure

Using a superset of HTML enables familiar frontend component lifecycle structures natively within custom tags.

#3 about 2 min

Automatic dead code elimination and javascript reduction

The framework compiler analyzes interactivity during build time to actively prevent shipping static component javascript to the client.

#4 about 1 min

Progressive rendering for faster actionable interfaces

Sending functional HTML and asset chunks down the wire enables users to interact with page sections before full load.

#5 about 2 min

High server performance via dual compilation targets

Executing string concatenation for the server build while deploying a virtual DOM to the browser minimizes rendering overhead.

#6 about 2 min

Developer ecosystem and Marko Run tool integration

Standardizing around modern tooling like Vite and TypeScript simplifies constructing isolated components using file-based routing.

#7 about 2 min

History and evolution of advanced performance features

Extensive testing at eBay drove the early development of modern web strategies like islands architecture and server streaming.

#8 about 3 min

Syntax opinions and community adoption visibility barriers

Unconventional global component imports and a lack of mainstream marketing create friction for developers exploring the technology.

#9 about 2 min

Tooling limitations and artificial intelligence generation struggles

A smaller open-source footprint directly restricts integrated development environment extensions and degrades code generation accuracy.

#10 about 2 min

Practical steps for testing and adopting Marko

Leveraging provided node package manager commands and studying the eBay UI widget repository demonstrates production-grade implementation.

Matching moments

2:28 min

Expected features and performance defaults in modern JavaScript frameworks

Sasha Shynkevich · LIVE

4:30 min

Tracking open source community trends in JavaScript native frameworks

Dan Cranney Dan Cranney +2 · LIVE

1:27 min

Summary of modern Next.js web development toolchains

Marius Obert Marius Obert · World Congress 2023

3:06 min

Audience Q&A on framework limitations and specific uses

Simon Auer Simon Auer · World Congress 2022

2:51 min

Democratizing cross-platform development with alternative JavaScript frameworks

Xuan Huang Xuan Huang · World Congress 2025

2:31 min

Core principles of the modern JAMstack development mindset

Anil Kumar Krishnashetty · LIVE

More from World Congress 2025

GenAI Security: Navigating the Unseen Iceberg thumbnail
24:33
11 months ago

GenAI Security: Navigating the Unseen Iceberg

Maish Saidel-Keesing

Behind the Code: How Women Are Powering the Future of AI thumbnail
30:28
about 1 year ago

Behind the Code: How Women Are Powering the Future of AI

Alexandra Wudel, Laura Moritz, Madalina Florean

The AI Hype Filter: What’s Real, What’s Investable, What’s Noise? thumbnail
28:12
about 1 year ago

The AI Hype Filter: What’s Real, What’s Investable, What’s Noise?

Justus Lumpe, Konstantin Vinogradov, Nils Eiteneyer, Stephan Wirris

AI in Leadership: How Technology is Reshaping Executive Roles thumbnail
28:19
about 1 year ago

AI in Leadership: How Technology is Reshaping Executive Roles

Bernd Datler, Jasmin Kaiser, Jeff Hausmann, Sonja Alvarez

The AI-Ready Stack: Rethinking the Engineering Org of the Future thumbnail
28:09
about 1 year ago

The AI-Ready Stack: Rethinking the Engineering Org of the Future

Alex Laubscher, Jan Oberhauser, Keno Dreßel, Mirko Novakovic

AI Sovereignty: What Does It Take? thumbnail
29:13
about 1 year ago

AI Sovereignty: What Does It Take?

Boris Hecker, Clemens Wasner, Robin Hermann, Sonja Alvarez

Related videos

Why I Recommend Svelte to Every New Web Developer thumbnail
31:21
LIVE • over 5 years ago

Why I Recommend Svelte to Every New Web Developer

Markus Hatvan

WeAreDevelopers LIVE – Spicy Vanilla Web, CSS Magic & More thumbnail
59:40
LIVE • 11 months ago

WeAreDevelopers LIVE – Spicy Vanilla Web, CSS Magic & More

Chris Heilmann, Daniel Cranney, Peter Kröner

The Lean Web thumbnail
46:46
JS Congress • almost 5 years ago

The Lean Web

Chris Ferdinandi

petite-vue - Progressively enhancing every application? thumbnail
44:40
LIVE • over 3 years ago

petite-vue - Progressively enhancing every application?

Alexander Lichter

To New Frontiers: The Future of Frontend Development thumbnail
26:00
World Congress 2022 • over 4 years ago

To New Frontiers: The Future of Frontend Development

Rainer Hahnekamp

Keith Cirkle of GitHub on React Fatigue thumbnail
49:32
Coffee With Developers • almost 2 years ago

Keith Cirkle of GitHub on React Fatigue

Keith Cirkle

Related articles

From learning to earning

Jobs that call for the skills explored in this talk.