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Code Block
Syntax-highlighted code blocks powered by highlight.js, running entirely on your own server with zero CDN calls. Supports 190+ languages and 14 professional colour themes – completely free, with no impact on your Core Web Vitals score.
💻 Beautiful Code Blocks Without Paying $50/Year or Slowing Your Site Down
Most WordPress code highlighting plugins have one of two problems: they load scripts from an external CDN (adding 100–300ms to every page load, hurting your Core Web Vitals score, and breaking if the CDN goes down), or they charge $30–$50/year for features that should be free. Enlighter loads from their own servers. SyntaxHighlighter Evolved loads from WordPress.com’s CDN. Prismatic charges $29/year for a theme switcher.
CloudScale bundles highlight.js 11.11.1 entirely on your own server: zero external HTTP requests, zero CDN dependency, zero annual fee. Your pages load faster, your cache hit rates improve, and your syntax highlighting works even when third-party services are down.
The Code Block is a native Gutenberg block (cloudscale/code) and a [cs_code] shortcode. It works everywhere WordPress renders content.
190+ languages with auto-detection. CloudScale detects the language automatically from the code content. Override it manually in the block sidebar when detection picks the wrong one.
14 professional colour themes: Atom One Dark/Light, GitHub, Monokai, Nord, Dracula, Tokyo Night, VS Code, VS 2015, Stack Overflow, Night Owl, Gruvbox, Solarized, Panda, Shades of Purple. A toggle button switches between dark and light variants, storing the preference in localStorage so it follows the reader across pages.
Copy to clipboard with one click. Line numbers are rendered via CSS counter so they are never included when someone copies the code.
INI/TOML auto-repair: Gutenberg breaks INI and TOML files at bare [section] headers by treating them as block delimiters. CloudScale detects this silently and reassembles the fragments, showing a brief toast so you know it happened.