How to Add An Overlay Popup App to a Site123 Website

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

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Steps to Add a Overlay Popup App on a Site123 Site

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

How To Add a Overlay Popup App on Site123:

  1. Create a Free Overlay Popup App

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

Not sure if our Overlay Popup app is right for you? Find out more about its features and integrations.

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Remove the Guesswork of Building Your Brand

Brand Identity Begins With a Great Website

You've already invested time and resources in building 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.

Overlay Popup to Site123
Add Overlay Popup to Site123

Website Element Customization is Next

Some small business owners try to build an Overlay Popup app solo or get an expensive web designer that claims they can build one.


Others try to find web design companies overseas that appear to offer Overlay Popup apps for low prices or attempt to use open source code.

Get Back More Time With POWR

Plus, updating and customizing an Overlay Popup app can be difficult, and you may think you have to hire a developer.


Additionally, as your business booms, hackers could see an unsecured Overlay Popup as a great opportunity to exploit your business and your customers. We consider this and built safeguards!

Add Overlay Popup to Site123
Support feature

POWR has the most advanced security features, is built for scale, and currently supports high-volume sites on Site123 and other similar platforms.

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.

Furthermore, our team of talented engineers work nonstop to keep POWR apps like your Site123 Overlay Popup functioning for you.

CASE STUDY: Rbia Shades completely transformed their online experience

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 Overlay Popup to Site123
Overlay Popup to Site123
Contacts growth 250%
Overlay Popup to Site123
2x engagement improvement
Overlay Popup to Site123
Time on site up 2x

Yes, POWR has an app for that.

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.