> ## Documentation Index
> Fetch the complete documentation index at: https://docs.zopio.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Web

> How the website application works in zopio.

<Frame>
  <img src="https://mintcdn.com/zopio/xTJtGRO_Qn5sNNUQ/images/web.png?fit=max&auto=format&n=xTJtGRO_Qn5sNNUQ&q=85&s=660c44547d33dcfc68981711de709817" alt="A preview of web" width="3382" height="2144" data-path="images/web.png" />
</Frame>

<Tip>The `web` application runs on port 3001. We recommend deploying it to `www.{yourdomain}.com`.</Tip>

`zopio` comes with a default website application, which is located in the `apps/web` folder.

## Overview

It's built on Next.js and Tailwind CSS, with some example pages scaffolded using [TWBlocks](https://www.twblocks.com/). It's designed for you to customize and extend to your needs, whether that means keeping the default pages or replacing them with your own.

## Features

* **Design System**: The app is connected to the [Design System](/packages/design-system) and includes a variety of components, hooks, and utilities to help you get started.
* **CMS**: The app is connected to the [CMS](/packages/cms) package to power your type-safe blog.
* **SEO**: The app is connected to the [SEO](/packages/seo) package which optimizes the site for search engines.
* **Analytics**: The app is connected to the [Analytics](/packages/analytics) package to track visitor behavior.
* **Observability**: The app is connected to the [Observability](/packages/observability/uptime) package to track errors and performance.
