Hello @Tanaya,

Thanks for sharing your question with the Klaviyo Community!

At this time embedding elements such as a Klaviyo signup form is not supported within Klaviyo. This is due to how inbox providers will recognize these elements as security risks and results in a low render rate. I elaborated and provided more details to this in a similar Community post which I’ve included below:

To attract more subscribers, I would suggest including a link within your emails which would direct users to either a signup form housed on your website or to a list’s Subscribe page as @retention had posed as a solution in the below Community post:

I hope this helps!

David