Optimize Surface Form | Surface Docs

In the bottom toolbar, click the “JavaScript” button
Click “Add New JavaScript”
Add the following link tags:

<!-- Speed up connections to forms.withsurface.com by performing early DNS resolution and TCP handshake -->
<link rel="dns-prefetch" href="https://forms.withsurface.com">
<link rel="preconnect" href="https://forms.withsurface.com" crossorigin>

<!--  Fetch the form in advance, so it's ready when a user opens it. -->
<link rel="prefetch" href="REPLACE ME WITH FORM URL" as="document">

Replace REPLACE ME WITH FORM URL with a Surface Form URL.

Set the script placement to “Head” and click “Done” to save the changes

Slideover Overview

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Form Embedding

HubSpot Forms Configuration

Guides

Step 3: Optimize