Install An Email List Signup App on Site123

The easy way to add Email List Signup to Site123 in minutes without coding or needing help from a developer.

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Steps to Add a Email List Signup App on a Site123 Site

Create your customized Email List Signup app, match your website's style and colors, and add Email List Signup to your Site123 page, post, sidebar, footer, or wherever you like on your site.

How To Add a Email List Signup App on Site123:

  1. Create a Free Email List Signup App

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  2. Copy Email List Signup embed snippet for Site123

    Your code block will be available once you create your app

  3. Add to HTML or Embed Code element in Site123 editor

    Paste above Email List Signup snippet into any Site123 element that accepts HTML or an embed code. Save, view the live page, and your Email List Signup will appear!

Not sure if our Email List Signup app is right for you? Find out more about its features and integrations.

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Remove the Guesswork of Building Your Brand

Begin Building Brand Identity From Your Website

You've already invested time and resources in creating your business online just by having a Site123 website.


Your work isn't done yet, though! Now it's time to attract and engage visitors, then turn them into customers.

Email List Signup to Site123
Add Email List Signup to Site123

Then You Must Customize Your Elements

Some may first take a stab at to DIY an Email List Signup app or 'knows a guy' that can build one in 'no time'.


Others attempt to find open source Email List Signup apps, or foreign companies that allegedly offer Email List Signup apps at rock-bottom prices.

Reduce Time Spent by Half With POWR

Also, customizing these apps usually requires coding experience or another designer to help -- costing even more resources.


In a world where scammers infiltrate sites every day, many other Email List Signup apps out there aren't built with security in mind, which could expose your customers or worse -- crash your whole site. Not with POWR!

Add Email List Signup to Site123
Support feature

All POWR apps are built to scale with your business on Site123, so we offer the most advanced security features and high-volume capabilities on the market to keep your customers (and you) safe.

security feature
All common questions are answered by searching POWR's robust Help Center or by reaching out to our customer support team, which is available 24/7.

POWR's team of engineers are working around the clock to keep Site123 Email List Signup and all 60+ other POWR apps working smoothly.

CASE STUDY: Rbia Shades is winning with POWR apps

A few months after Rbia Shades launched at local fairs and craft shows, they were looking for a way to sell online.


They wanted to visually appeal to site visitors and demonstrate the quality of their product and lightweight, ergonomic designs.


Their web host did not provide an adequate solution for this, and after some research, decided to give POWR a try.

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 Email List Signup to Site123
Email List Signup to Site123
Contacts growth 250%
Email List Signup to Site123
2x your engagement
Email List Signup to Site123
2x more time on site

All POWR apps are built for peak-performance.

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.