Marko Templating

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Marko is a modern template language and engine created by eBay, optimized for fast server-side rendering (SSR). You write templates mixing HTML and dynamic logic (loops, conditionals, component composition). Marko compiles templates to optimized JavaScript. Mastery takes 3-4 weeks. Specialists earn 5-8% premium because Marko enables blazing-fast server rendering (critical for page load performance and SEO). The skill sits between frontend and backend development.

Marko Templating ni nini

Marko is a modern, fast template language for server-side rendering HTML. Created by eBay, it combines the simplicity of template syntax with the power of JavaScript logic. You write .marko files mixing HTML, JavaScript expressions, control flow (if/for), and component composition. Marko compiles templates to optimized JavaScript that renders efficiently. Unlike traditional templating (EJS, Handlebars), Marko focuses on performance: streaming rendering (send HTML to browser while still rendering), optimized compilation, and small runtime footprint. It's particularly good for large-scale, content-heavy applications like e-commerce.

🔧 ZANA NA MAZINGIRA

Marko templating engineMarko CLINode.js and Express integrationComponent compositionData binding and expressionsLinting and testingPerformance profiling

💰 Mshahara kwa kanda

Kanda	Mdogo	Kati	Mkuu
USA	$80k	$120k	$165k
UK	£52k	£78k	£110k
EU	€56k	€85k	€120k
CANADA	C$76k	C$115k	C$160k

🎓 Vyeti

Marko Official Documentation eBay Engineering Blog (Marko posts)Node.js and Express fundamentals

❓ Maswali Yanayoulizwa Mara Kwa Mara

What's Marko, and why should I use it instead of React or Vue?

React/Vue are client-side frameworks (render in browser). Marko is server-side templating (render on server). Marko is faster for initial page load (no JS bundle needed), better for SEO (HTML sent to client, not JavaScript), and simpler to learn. React is better for interactive apps; Marko for content-heavy sites.

Can I use Marko with a modern frontend framework?

Yes. Marko can render on the server, send HTML to client, then JavaScript framework takes over (hydration). E.g., Marko server-renders the page, then React interactive components in the browser.

What's streaming in Marko?

Traditional rendering: render entire template, send to client. Streaming: start sending HTML to browser immediately, continue rendering in background. Browser starts rendering before server finishes. Huge performance benefit on slow networks.

How do I structure Marko components?

Marko files are .marko files. A .marko file = component. They can have HTML, logic, and sub-components. Folder structure mirrors component hierarchy. Marko figures out dependencies and compiles accordingly.

What about performance?

Marko is designed for speed. Compiles to optimized JavaScript. Streaming means browsers paint faster. For eBay (rendering 1000s of products), Marko reduces page load times by 30-50% vs. client-side rendering.

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