...It supports common templating languages (ERB, Haml, Slim) and content formats (Markdown, AsciiDoc), plus front-matter metadata to drive layouts, navigation, and per-page behavior. A built-in dev server with live reload keeps iteration fast, while an asset pipeline handles fingerprinting, minification, and cache-friendly builds. Extensions cover blogging, internationalization, sitemaps, data-driven pages, and external build steps, so complex sites remain manageable without server-side code. Because output is plain files, Middleman sites deploy anywhere—from object storage and CDNs to GitHub Pages—benefiting from high performance and low attack surface. ...