How to Add An Overlay Popup App to a Site123 Website

Steps on adding Overlay Popup to Site123 in minutes with no coding and no 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

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 make them into customers.

Overlay Popup to Site123
Add Overlay Popup to Site123

Then You Must Customize Your Elements

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


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

Reduce Time Spent by Half With POWR

Also, customizing and updating an Overlay Popup app involves even more time, and is likely to cause new complications.


As your company continues to expand, you're likely to face security issues, as hackers may attempt to manipulate vulnerabilities in the Overlay Popup app. POWR has you covered!

Add Overlay Popup to Site123
Support feature

Because POWR is built for scale, has the most advanced built-in security and high-volume capabilities of any other Overlay Popup app on the market, we protect you while you grow on Site123.

security feature
Our award-winning customer support team is available 24/7, as well as a dedicated Help Center to answer any questions.

Furthermore, our team of incredible engineers work at all hours to keep POWR apps like your Site123 Overlay Popup up and running for you.

CASE STUDY: Rbia Shades completely transformed their online experience

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 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
Grow contacts by 250%
Overlay Popup to Site123
Engagement up 2x
Overlay Popup 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.