Install A Slide In App on Site123

Learn the steps to add Slide In to your Site123 website in minutes with no coding or a developer.

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Steps to Add a Slide In App on a Site123 Site

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

How To Add a Slide In App on Site123:

  1. Create a Free Slide In App

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

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

See the details

Remove the Guesswork of Building Your Brand

A Solid Brand Identity Starts on Your Website

Congratulations on making the first move to design your e-commerce site online -- by getting your Site123 website live on the web!


But here comes the next big question: How do you get site visitors to engage and buy your product or service?

Slide In to Site123
Add Slide In to Site123

Make Your Website Elements Unique

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


Others look overseas or for low priced open source alternatives for Slide In.

Reduce Time Spent by Half With POWR

And it takes lots of time to customize and update a Slide In app, which will create more issues.


But, if you haven't built a strong security system, your business could be prone to hacking and other security issues. We thought of that!

Add Slide In to Site123
Support feature

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

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 Slide In running for you.

CASE STUDY: Rbia Shades is winning with POWR apps

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.

Shortly after signing on with POWR, Rbia’s first step was to install a popup. They increased their contacts by over 250% (over 600 real contacts).


Soon after, they added our Social Feed app and grew their social media following to over 6000.


Next, they added a Media Slider as a visual way to quickly show their products to new site visitors as they entered their homepage to show how the accessories looked in real life. It showcases their products well and gave customers a great on-site experience.


In fact, they quickly found that visitors who interacted with POWR apps on their site stayed engaged 2.5 times longer than ever before.

Add Slide In to Site123
Slide In to Site123
Grow contacts by 250%
Slide In to Site123
Up 2x in engagement
Slide In to Site123
Time on site up 2x

Every POWR app works on any platform.

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.