Steps to Add a Testimonial Slider App on a Sellfy Site
Create your customized Testimonial Slider app, match your website's style and colors, and add Testimonial Slider to your Sellfy page, post, sidebar, footer, or wherever you like on your site.
How To Add a Testimonial Slider App on Sellfy:
Create a Free Testimonial Slider App
Start for free nowEmbed POWR script to your Sellfy Site
1. Within the Sellfy dashboard, navigate to Store settings > Customize store.
2. Select General settings, copy and paste the script provided below into the Custom code section, either in the head or footer code area.
3. Click Publish to save changes.
Note: The script only needs to be installed once. If the POWR script is already present, move onto the next step.Embed POWR Testimonial Slider to your Sellfy Site.
1. In the Sellfy Store customizer, select the location for installing the app.
2. Add a module and select Embed code.
3. Click on Edit code, then copy and paste the code provided below.
4. Save your changes by clicking Save.
5. Publish your changes to view the POWR embedded app on your site.
Note: The embedded app will not be displayed in the Store customizer.Edit POWR Testimonial Slider on your site
1. Click on the blue Edit App icon seen above the app.
3. All edits in the opened POWR Editor will be automatically applied.
Not sure if our Testimonial Slider app is right for you? Find out more about its features and integrations.
See the detailsRemove the Guesswork of Building Your Brand
A Solid Brand Identity Starts on Your Website
If you have your Sellfy website published, you’ve tackled the biggest challenge in building an online presence. Awesome!
But next comes the hard part: how can you draw in, captivate, make, and support more visitors?


Make Your Website Elements Unique
People often ask a 'techie' friend to build a Testimonial Slider for them or hire a 'web guy' that one of their friends referred.
Others look overseas or for low-cost open source alternatives for Testimonial Slider.
POWR Saves You Valuable Time
And it takes lots of time to customize and update a Testimonial Slider app, which will make more complications.
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!


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

POWR's team of engineers are working around the clock to keep Sellfy Testimonial Slider and all 60+ other POWR apps working perfectly.
CASE STUDY: Rbia Shades completely transformed their online experience
Rbia Shades needed to expand beyond its region by bringing its products online. They needed a low-maintenance, non-techie solution.
After much research, they chose POWR as their no-code tool of choice.
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.

Every POWR app works on any platform.
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POWR has helped over a half million businesses on every continent
(besides Antarctica, because of course not)
Frequently Asked Questions
Learn more about how to add POWR apps to your website.
Yes, any POWR app will work perfectly on any website. What’s better, is the patented POWR Live Editor is the same regardless of the app.
- Easily add more than one (for free)
- Edit to your needs directly from your live site
- Changes are made instantly
Absolutely! The POWR Testimonial Slider widget is optimized for mobile, ensuring that it looks great and functions smoothly across all devices, including phones and tablets.
This optimization enhances user experience, contributing to higher engagement rates on your Sellfy site.
POWR Testimonial Slider allows you to edit every detail such as fonts, colors, borders, and spacing directly from the editor, ensuring your Testimonial Slider perfectly match your brand's identity.
This flexibility makes it easy to integrate and align with your site's look and feel.
Adding Testimonial Slider to your Sellfy site is fully outlined above and straightforward with no coding required.
Simply follow POWR's setup guide, which is as easy as copy/pasting the provided code snippet into your site's HTML.
This ease of installation makes it convenient for Sellfy site owners to implement Testimonial Slider and gather feedback from their audience.
Using POWR Testimonial Slider on your Sellfy site offers numerous benefits, including enhanced customization options and easy installation without coding.
These features help improve your site's user engagement by allowing visitors to provide valuable feedback, leading to better online growth.