Embed A Newsletter Sign Up App to a Squarespace Website

Don't know how to code? No problem with these easy steps to add newsletter sign up to Squarespace in minutes.

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Steps to Add a newsletter sign up App on a Squarespace Site

Create your customized newsletter sign up app, match your website's style and colors, and add newsletter sign up to your Squarespace page, post, sidebar, footer, or wherever you like on your site.

How To Add a newsletter sign up App on Squarespace:

  1. Create a Free newsletter sign up App

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  2. Embed POWR newsletter sign up to your Squarespace

    2. If you do not have any sections, then first add a section.
    5. Copy and paste the Share App link ⬅. Adjust the embedded app, and click SAVE in the upper left corner.
  3. Edit POWR newsletter sign up on your site

    1. Click on the blue Edit app icon seen above the app.
    2. All edits in the opened POWR Editor will be automatically applied.

Not sure if our newsletter sign up app is right for you? Find out more about its features and integrations.

See the details

Remove the Guesswork of Building Your Brand

A Solid Brand Identity Starts on Your Website

Congratulations on making the first move to expand your site online -- by getting your Squarespace website live on the web!


Here comes the next big question: How do you get site visitors to engage and buy your product or service?

newsletter sign up to Squarespace
Add newsletter sign up to Squarespace

Then You Must Customize Your Elements

Some small business owners try to develop a newsletter sign up app solo or get an expensive web designer that claims they can build one.


Others try to enlist web design companies overseas that appear to offer newsletter sign up apps for reduced prices or attempt to use open source code.

Save Time With POWR

Plus, updating and customizing a newsletter sign up app can be challenging, and you may think you have to hire a developer.


Additionally, as your business increases, hackers could see an unsecured newsletter sign up as a great opportunity to exploit your business and your customers. We consider this and built safeguards!

Add newsletter sign up to Squarespace
Support feature

All POWR apps are built to scale with your business on Squarespace, so we offer the most advanced security features and high-volume capabilities on the market to keep your customers (and you) safe.

security feature
POWR provides 24/7 customer support and a dedicated Help Center, so someone is always there to answer all your questions!

Our newsletter sign up comes with a team of expert engineers that work constantly for you, making sure your newsletter sign up is always working smoothly.

CASE STUDY: POWR put Rbia Shades on the success track

After Rbia launched its website, they were looking for a solution to add new contacts for outreach.


They found POWR while looking for a popup solution on their site and started to see immediate results.

Rbia started to see success with POWR Popup almost immediately, adding over 600 new contacts in the first 90 days.


They then realized that there was a complete suite of other solutions they could use to improve their online experience for site visitors.


Soon, Rbia embedded an Instagram Feed app on their website and noticed site visitors who interacted with the app doubled the time spent on their page while growing their followers to over 11k on Insta at the same time.

Add newsletter sign up to Squarespace
newsletter sign up to Squarespace
250% contacts growth
newsletter sign up to Squarespace
Engagement up 2x
newsletter sign up to Squarespace
2x more time on site

POWR apps are made to grow your online revenue.

See apps in action

Trusted by the best in the biz!

POWR has helped over a half million businesses on every continent
(besides Antarctica, because of course not)

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Frequently Asked Questions

Learn more about how to add POWR apps to your website.