Install A Modal Popup App on Site123

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

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Steps to Add a Modal Popup App on a Site123 Site

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

How To Add a Modal Popup App on Site123:

  1. Create a Free Modal Popup App

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

Not sure if our Modal 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

If you have your Site123 website published, you’ve completed the biggest challenge in building an online presence. Awesome!


But next comes the hard part: how can you draw in, captivate, turn, and support more visitors?

Modal Popup to Site123
Add Modal Popup to Site123

Website Element Customization is Next

Some may first try to DIY a Modal Popup app or 'knows a guy' that can build one in 'no time'.


Others attempt to find open source Modal Popup apps, or foreign companies that claim to offer Modal Popup apps at rock-bottom prices.

Save Time With POWR

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


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

Add Modal 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
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.

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

CASE STUDY: POWR put Rbia Shades on the success track

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 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 full 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 Modal Popup to Site123
Modal Popup to Site123
250% growth in contacts
Modal Popup to Site123
Up 2x in engagement
Modal Popup to Site123
2x more time on site

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.