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Documentation

Frameworks

Pick your framework

FrameworkPackageGuide
Next.jsc15t (c15t/next)Next.js quickstart
TanStack Startc15t (c15t/tanstack-start)TanStack Start quickstart
Reactc15t (c15t/react)React quickstart
Nuxtc15t (c15t/vue Nuxt module)Nuxt quickstart
Vuec15t (c15t/vue/vue-plugin)Vue quickstart
Astroc15t (c15t/astro)Astro quickstart
Svelte@c15t/svelteSvelte quickstart
SvelteKit@c15t/svelteSvelteKit quickstart
HTML, a CMS, a page builder or a static site generator@c15t/browser from a script tagHTML quickstart
JavaScript with a bundler, or your own UI@c15t/browser, or c15t (c15t/runtime)JavaScript quickstart

Not sure which setup your rendering mode needs? Choose your setup maps each app shape, such as a Next.js static export or a prerendered SvelteKit site, to a guide.

Install the right package

Most frameworks use one package, c15t, and import the framework entry point: c15t/next, c15t/react, c15t/vue (the Nuxt module), c15t/vue/vue-plugin (plain Vue), c15t/astro or c15t/tanstack-start. You do not need @c15t/nextjs or @c15t/react as well; c15t depends on them.

Svelte and SvelteKit use their own package, @c15t/svelte. HTML pages and the stock UI in JavaScript use @c15t/browser. Vendor script helpers are a separate install, @c15t/integrations, in every framework.

v3 is published under the alpha tag. Install c15t@alpha; a plain c15t install still gets v2.

After the quickstart

A banner on screen does not mean analytics wait for consent. Move existing scripts into c15t, replace embeds that load on their own, and keep a link to reopen preferences. Then verify the integration.