--- title: Recommendations quickstarts description: "Everything you need to build a comprehensive and high-performing recommendations system with Luigi's Box, from the quick and easy Recco.js library to a fully custom implementation using the Recommender API." slug: quickstart/recommendations docKind: hub hub: quickstart --- Recommendations usually begin with a model choice, then continue into either the ready-to-use Recco.js path or a custom Recommender API implementation. ## Choose your path

Recco.js

Use the frontend library when you want recommendation widgets rendered quickly with built-in analytics handling.

Fastest way to launch recommendation widgets.
Automatic event handling for the widget flow.
Supports templates and carousel-like experiences.

Custom build

Recommender API

Use the API when you need to build the UI yourself or integrate recommendations into a custom frontend or backend flow.

Complete control over rendering.
Works for non-standard storefronts.
Lets you combine recommendations with your own business logic.

## Quickstart collection

Strategy

Choose the right model first

Start here if you are still deciding what kinds of recommendations should appear on each page.

Choose recommendation models

Map business goals and page context to the right recommender models.

Recco.js

Frontend library path

Choose this when you want the fastest recommendation widget on the web.

Integrate Recco.js

Get a recommendation widget running quickly on a product page, cart, or homepage.

Customize Recco.js

Override templates so recommendations match your storefront design.

Recommender API

Custom implementation path

Use this when you want to own the widget markup, logic, and analytics flow.

Build custom recommendations

Fetch results from the API and wire the required analytics by hand.