Marko

Declarative HTML-based UI language with streaming server rendering and no default client JavaScript.

Adoption1 site

Ranked 45 of 47 in JavaScript Frameworks & Libraries0.0% of the 8,236 tracked sites using JavaScript Frameworks & Libraries

Pricing: open-source

About Marko

Marko powers high-traffic production sites such as eBay.com, according to its team. The declarative, HTML-based language ships zero JavaScript by default and streams pages to the browser as they render.

Sources: Marko · Checked 16 Oct 2026

Websites using Marko

ebay.co.uk

Who added or dropped it

No switches yet. We rescan every site monthly, and any site that adds or drops Marko shows up here.

Often used with

Agari (Fortra)100%
Akamai100%

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