Embed the Widget

Once your bot is trained, embed it anywhere — WordPress, Next.js, plain HTML, Webflow, Shopify. Two script tags, no build step, mounts in a shadow DOM so your CSS stays clean.

1. Get your embed code

Open your bot’s Dashboard. Scroll to Chat Widget Embed at the bottom. You’ll see two pre-filled <script> tags with your bot ID baked in. Click Copy Embed.

Bot Dashboard with Chat Widget Embed section showing two script tags and Copy Embed button

The snippet looks like this (your bot ID will differ):

<script
  type="module"
  src="https://cdn.jsdelivr.net/gh/fluent-docai/chat-widget@latest/chat-widget.js"
></script>
<script type="module">
  FluentBotChatWidget.injectWidget("YOUR_BOT_ID");
</script>

Use the copied snippet as-is. It should load the widget script from the FluentBot CDN, not from a development host.

2. Install it

Plain HTML

Paste the snippet right before </body>:

<body>
  <!-- ...your page... -->

  <script
    type="module"
    src="https://cdn.jsdelivr.net/gh/fluent-docai/chat-widget@latest/chat-widget.js"
  ></script>
  <script type="module">
    FluentBotChatWidget.injectWidget("YOUR_BOT_ID");
  </script>
</body>

WordPress

Block editor (any modern theme): add a Custom HTML block at the bottom of every page (or in a footer template part), paste the two <script> tags, save.
Classic theme: open footer.php, paste before </body>.
Plugin route: install any “Insert Headers and Footers” plugin, paste into the footer field — applies site-wide.

Framework examples

Pick your framework and add the snippet in the file shown at the top of the example.

import Script from "next/script";

export default function RootLayout({
  children,
}: {
  children: React.ReactNode;
}) {
  return (
    <html>
      <body>
        {children}
        <Script
          type="module"
          src="https://cdn.jsdelivr.net/gh/fluent-docai/chat-widget@latest/chat-widget.js"
          strategy="afterInteractive"
        />
        <Script id="fluentbot-init" type="module" strategy="afterInteractive">
          {`FluentBotChatWidget.injectWidget("YOUR_BOT_ID");`}
        </Script>
      </body>
    </html>
  );
}

import { Html, Head, Main, NextScript } from "next/document";

export default function Document() {
  return (
    <Html>
      <Head />
      <body>
        <Main />
        <NextScript />
        <script
          type="module"
          src="https://cdn.jsdelivr.net/gh/fluent-docai/chat-widget@latest/chat-widget.js"
        ></script>
        <script
          type="module"
          dangerouslySetInnerHTML={{
            __html: `FluentBotChatWidget.injectWidget("YOUR_BOT_ID");`,
          }}
        />
      </body>
    </Html>
  );
}

// src/main.tsx (Vite) or src/index.tsx (CRA)
import { useEffect } from "react";
import ReactDOM from "react-dom/client";
import App from "./App";

function Root() {
  useEffect(() => {
    if (window.__fbWidget) return;
    const loader = document.createElement("script");
    loader.type = "module";
    loader.src =
      "https://cdn.jsdelivr.net/gh/fluent-docai/chat-widget@latest/chat-widget.js";
    loader.onload = () => {
      window.FluentBotChatWidget?.injectWidget("YOUR_BOT_ID");
      window.__fbWidget = true;
    };
    document.body.appendChild(loader);
  }, []);
  return <App />;
}

ReactDOM.createRoot(document.getElementById("root")!).render(<Root />);

<script setup>
import { onMounted } from "vue";

onMounted(() => {
  if (window.__fbWidget) return;
  const loader = document.createElement("script");
  loader.type = "module";
  loader.src =
    "https://cdn.jsdelivr.net/gh/fluent-docai/chat-widget@latest/chat-widget.js";
  loader.onload = () => {
    window.FluentBotChatWidget?.injectWidget("YOUR_BOT_ID");
    window.__fbWidget = true;
  };
  document.body.appendChild(loader);
});
</script>

<template>
  <RouterView />
</template>

export default defineNuxtConfig({
  app: {
    head: {
      script: [
        {
          type: "module",
          src: "https://cdn.jsdelivr.net/gh/fluent-docai/chat-widget@latest/chat-widget.js",
        },
        {
          type: "module",
          innerHTML: `FluentBotChatWidget.injectWidget("YOUR_BOT_ID");`,
        },
      ],
    },
  },
});

<body data-sveltekit-preload-data="hover">
  <div style="display: contents">%sveltekit.body%</div>

  <script
    type="module"
    src="https://cdn.jsdelivr.net/gh/fluent-docai/chat-widget@latest/chat-widget.js"
  ></script>
  <script type="module">
    FluentBotChatWidget.injectWidget("YOUR_BOT_ID");
  </script>
</body>

---
const botId = "YOUR_BOT_ID";
---

<!doctype html>
<html>
  <body>
    <slot />

    <script
      type="module"
      src="https://cdn.jsdelivr.net/gh/fluent-docai/chat-widget@latest/chat-widget.js"
    ></script>
    <script type="module" is:inline define:vars={{ botId }}>
      FluentBotChatWidget.injectWidget(botId);
    </script>
  </body>
</html>

import {
  Links,
  Meta,
  Outlet,
  Scripts,
  ScrollRestoration,
} from "@remix-run/react";

export default function App() {
  return (
    <html>
      <head>
        <Meta />
        <Links />
      </head>
      <body>
        <Outlet />
        <ScrollRestoration />
        <Scripts />
        <script
          type="module"
          src="https://cdn.jsdelivr.net/gh/fluent-docai/chat-widget@latest/chat-widget.js"
        />
        <script
          type="module"
          dangerouslySetInnerHTML={{
            __html: `FluentBotChatWidget.injectWidget("YOUR_BOT_ID");`,
          }}
        />
      </body>
    </html>
  );
}

import React from "react";

export const onRenderBody = ({ setPostBodyComponents }) => {
  setPostBodyComponents([
    <script
      key="fb-loader"
      type="module"
      src="https://cdn.jsdelivr.net/gh/fluent-docai/chat-widget@latest/chat-widget.js"
    />,
    <script
      key="fb-init"
      type="module"
      dangerouslySetInnerHTML={{
        __html: `FluentBotChatWidget.injectWidget("YOUR_BOT_ID");`,
      }}
    />,
  ]);
};

<body>
  <app-root></app-root>

  <script
    type="module"
    src="https://cdn.jsdelivr.net/gh/fluent-docai/chat-widget@latest/chat-widget.js"
  ></script>
  <script type="module">
    FluentBotChatWidget.injectWidget("YOUR_BOT_ID");
  </script>
</body>

The __fbWidget guard in the React and Vue examples prevents double-mounting on development re-renders. In Astro, is:inline prevents the inline init script from being bundled.

Shopify

Settings → Edit code → theme.liquid → paste both script tags right before </body>.

Webflow

Project Settings → Custom Code → Footer Code → paste both script tags.

Wix

Open the Embed Code widget (Add Elements → Embed → Custom Code), paste both <script> tags, set placement to Body — end.

Squarespace

Settings → Advanced → Code Injection → Footer → paste both script tags. Available on Business plans and above.

SPA caveat

For all SPA frameworks above (React, Vue, Nuxt, SvelteKit, Astro, Remix, Gatsby, Angular): mount the widget once at app startup, not on every route change. The widget instance persists across client-side navigations. Re-mounting causes duplicate widgets.

If your site passes a signed visitor identity, wait until the logged-in visitor is known before calling FluentBotChatWidget.injectWidget(...) — see Widget SDK.

3. Verify

Open your site in an incognito window.
A floating bubble appears in the bottom-right corner.

Sample test page with the chat-widget bubble visible in the bottom-right

Click the bubble. The widget expands with a header (your bot name), a greeting, and a compose box.

Widget expanded showing the bot greeting and compose box

Send a test message. The bot should answer using your sources.

Troubleshooting

Widget doesn’t appear — check the browser console for CSP or CORS errors. Whitelist cdn.jsdelivr.net if your CSP blocks third-party scripts.
Widget appears but won’t chat — verify the bot ID in injectWidget(...) matches the one on your bot Dashboard. Mismatched ID = silent fail.
FluentBotChatWidget is not defined — first script tag didn’t load before the second one ran. Make sure both <script type="module"> tags are present and in order. With next/script, both must use strategy="afterInteractive".
Style clash — the widget renders inside a shadow DOM, so host-page CSS shouldn’t leak in. If it does, file a ticket.
CSP blocks unpkg or jsdelivr — add script-src 'self' https://cdn.jsdelivr.net (and connect-src for API calls back to your FluentBot host) to your Content-Security-Policy.

What’s next

Widget customization — colors, fonts, position, greeting, title.
Identity verification — attach the widget to a logged-in user so the bot has visitor context.
Human escalation — route unanswered chats to a live agent.