Install A Popup App on Site123

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

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Email sign up popup and free shipping popup example images created with POWR Popup.

Steps to Add a Popup App on a Site123 Site

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

How To Add a Popup App on Site123:

  1. Create a Free Popup App

    Start for free now
  2. Copy Popup 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 Popup snippet into any Site123 element that accepts HTML or an embed code. Save, view the live page, and your Popup will appear!

All you need to know about our Popup app is just a click away.

See the details

Remove the Guesswork of Building Your Brand

Begin Building Brand Identity From Your Website

You've already invested time and resources in launching 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 make them into customers.

Popup to Site123
Add Popup to Site123

Website Element Customization is Next

People often ask a 'techie' friend to design a Popup for them or hire a 'web guy' that one of their friends referred.


Others look overseas or for low priced open source alternatives for Popup.

Save Time With POWR

Also, customizing and updating a Popup app involves even more time, and is likely to cause new issues.


As your company continues to expand, you're likely to encounter security issues, as hackers may attempt to take advantage of vulnerabilities in the Popup app. POWR has you covered!

Add Popup 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
Our top-notch customer support team is available to you 24/7 and a complete Help Center for answers to all common questions.

Our Popup comes with a team of expert engineers that work constantly for you, making sure your Popup is always working perfectly.

CASE STUDY: Rbia Shades wins big with POWR

After much success locally, Rbia needed a way to collect emails effectively on their brand-new website.


Their website provider did not have what they were looking for, so the search was on. After doing their research, they believed POWR was what they needed.

Rbia grew its contact list by 250% using POWR Popup to collect new email addresses from first-time site visitors.


They also added POWR Social Feed to their site and saw a 200% spike in engagement from their site visitors. They also saw a big jump in social media followers and now have over 11K followers on Instagram.

Add Popup to Site123
Popup to Site123
250% growth in contacts
Popup to Site123
Up 2x in engagement
Popup to Site123
Time on site up 2x

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.