# Inline Form Embed **WAIT...** Make sure that you have added the [**Surface Tag**](/platform/traffic/surface-tag) to your site before proceeding. ## iFrame Embed Code [#iframe-embed-code] Add this code where the form should appear: ```html ``` Replace `REPLACE ME WITH FORM URL` with your form URL. Click **Share** in the form's `Overview` section to find it. ## Optimize Speed [#optimize-speed] Add the following `` tags inside the `` of your site: ```html ``` Replace `REPLACE ME WITH FORM URL` with a Surface Form URL. If the form uses a custom domain, replace `forms.withsurface.com` in the connection hints with your verified domain. See [Use the Surface Tag with a Custom Domain](/platform/traffic/custom-domains). ## Explanation [#explanation] 1. dns-prefetch → Resolves the domain early to skip DNS lookup delays. 2. preconnect → Prepares the TCP + TLS handshake so the browser is ready to request assets immediately. 3. prefetch → Fetches the form in advance, so it's ready when a user opens it. ## Where to Paste It [#where-to-paste-it] The iframe is the same everywhere. Only where it goes changes. Add a div at the size you want the form, then drop a **Code Embed** block inside it and paste the iframe. Code Embed is a paid-plan feature. **Insert** → **Embed** component. Place it, then in the component's **Properties** set **Type** to `URL` and paste your form URL. In the block editor, **+** → **Custom HTML**, paste the iframe, and **Update**. Adjust the `height` in the `style` attribute to fit your form. On the Classic editor, use the **Text** tab. Drop the `