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Embedding newsletter sign up with HTML (Substack)

I’m trying to embed a Substack newsletter sign up form onto my site using HTML.

Substack: “Embed email signup form on other websites
Insert this HTML code onto any website to embed a signup form for your Substack publication.”

I’ve checked out the Webflow University link on ‘Custom code in head and body tags’ (Custom code in head and body tags | Webflow University) but I’m still stuck. I tried embedding the code into the head tag and nothing happened.

Any advice welcome :slight_smile:


Here is my site Read-Only: Webflow - unfiltered

Hey Julia, you need to add a custom code element (found in the left menu) and place it directly into your website. Then, paste the embed code for substack there and it will appear once you publish it.

I recommend utilizing the staging site for publishing purposes to test scripts like these, as Webflow’s designer will not show custom code scripts until you push the site live, yet you don’t necessarily want untested scripts running on your site at any given time while building.