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:
Create a Free newsletter sign up App
Start for free nowEmbed POWR newsletter sign up to your Squarespace
3. Proceed to add a block and select embed from the list.
5. Copy and paste the Share App link ⬅. Adjust the embedded app, and click SAVE in the upper left corner.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.
Need to know more about features and integrations of our newsletter sign up app?
See the detailsRemove the Guesswork of Building Your Brand
Establishing Brand Identity 101 - Your Website
If you have your Squarespace website published, you’ve tackled the biggest challenge in building an online presence. Awesome!
But next comes a tough question: how can you engage, captivate, make, and support more visitors?


Make Your Website Elements Unique
People often ask a 'techie' friend to build a newsletter sign up for them or hire a 'web guy' that one of their friends referred.
Others look overseas or for low-cost open source alternatives for newsletter sign up.
Save Time With POWR
Plus, updating and customizing a newsletter sign up app can be difficult, and you may think you have to hire a developer.
Additionally, as your business develops, 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!


POWR supports high-volume sites on Squarespace and prioritizes the security of our newsletter sign up app, as well as all 60+ apps, to keep any bad actors at bay.

POWR's team of engineers are working around the clock to keep Squarespace newsletter sign up and all 60+ other POWR apps working perfectly.
CASE STUDY: Rbia Shades wins big with POWR
Rbia Shades needed to expand beyond its region by bringing its products online. They needed a low-maintenance, non-techie solution.
After much research, they chose POWR as their no-code tool of choice.
In just a few short months of installing a POWR Popup app, Rbia earned over 600 new contacts – a 250% growth.
Next, they used a Social Feed app and quickly noticed a leap in new followers on Instagram and 200% more engagement on their site.
Last came the Media Slider. A beautiful way to show off their products and accessories to every site visitor the moment they land on their 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)
Frequently Asked Questions
Learn more about how to add POWR apps to your website.
Yes, any POWR app will work perfectly on any website. What’s better, is the patented POWR Live Editor is the same regardless of the app.
- Easily add more than one (for free)
- Edit to your needs directly from your live site
- Changes are made instantly
Absolutely! The POWR newsletter sign up widget is optimized for mobile, ensuring that it looks great and functions smoothly across all devices, including phones and tablets.
This optimization enhances user experience, contributing to higher engagement rates on your Squarespace site.
POWR newsletter sign up allows you to edit every detail such as fonts, colors, borders, and spacing directly from the editor, ensuring your newsletter sign up perfectly match your brand's identity.
This flexibility makes it easy to integrate and align with your site's look and feel.
Adding newsletter sign up to your Squarespace site is fully outlined above and straightforward with no coding required.
Simply follow POWR's setup guide, which is as easy as copy/pasting the provided code snippet into your site's HTML.
This ease of installation makes it convenient for Squarespace site owners to implement newsletter sign up and gather feedback from their audience.
Using POWR newsletter sign up on your Squarespace site offers numerous benefits, including enhanced customization options and easy installation without coding.
These features help improve your site's user engagement by allowing visitors to provide valuable feedback, leading to better online growth.