How to Add A Testimonial Slider App to a NationBuilder Website

Steps on adding Testimonial Slider to NationBuilder in minutes with no coding and no help from a developer.

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Steps to Add a Testimonial Slider App on a NationBuilder Site

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

How To Add a Testimonial Slider App on NationBuilder:

  1. Create a Free Testimonial Slider App

    Start for free now
  2. Copy Testimonial Slider embed snippet for NationBuilder

    Your code block will be available once you create your app

  3. Add to HTML or Embed Code element in NationBuilder editor

    Paste above Testimonial Slider snippet into any NationBuilder element that accepts HTML or an embed code. Save, view the live page, and your Testimonial Slider will appear!

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

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Remove the Guesswork of Building Your Brand

A Solid Brand Identity Starts on Your Website

You've already invested time and resources in building your business online just by having a NationBuilder website.


Your work isn't done yet, though! Now it's time to attract and engage visitors, then make them into customers.

Testimonial Slider to NationBuilder
Add Testimonial Slider to NationBuilder

Then You Must Customize Your Elements

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


Others try to find web design companies overseas that claim to offer Testimonial Slider apps for reduced prices or attempt to use open source code.

Reduce Time Spent by Half With POWR

And it takes huge amount of time to customize and update a Testimonial Slider app, which will result in 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 Testimonial Slider to NationBuilder
Support feature

All POWR apps are built to scale with your business on NationBuilder, so we offer the most advanced security features and high-volume capabilities on the market to keep your customers (and you) safe.

security feature
POWR provides 24/7 customer support and a dedicated Help Center, so someone is always there to answer all your questions!

Furthermore, our team of talented engineers work at all hours to keep POWR apps like your NationBuilder Testimonial Slider 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 Testimonial Slider to NationBuilder
Testimonial Slider to NationBuilder
Contacts growth 250%
Testimonial Slider to NationBuilder
Up 2x in engagement
Testimonial Slider to NationBuilder
2x site session time

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.