Embed A Testmonial Slider App to a Tumblr Website

Learn the steps to add Testmonial Slider to your Tumblr website in minutes with no coding or a developer.

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Steps to Add a Testmonial Slider App on a Tumblr Site

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

How To Add a Testmonial Slider App on Tumblr:

  1. Create a Free Testmonial Slider App

    Start for free now
  2. Edit Appearance > Edit Theme

    Go to your Account Settings and click Edit Appearance. Then click Edit Theme.
  3. Edit HTML

    Click on the Edit HTML link underneath Custom Theme.
  4. Copy and Paste Script

    Paste this script into the Tumblr HTML file. It's always best to paste it between the Head tags. Then click Update, and save.
  5. Create New Text Post

    Go back to the Tumblr dashboard and add a new Text post.
  6. Paste Shortcode

    Paste this shortcode into the post and save. If you expand the post, you will see your new POWR Testmonial Slider.Click the POWR Settings Icon to open the POWR Editor.
  7. Begin editing the following Testmonial Slider plugin directly inside of the Tumblr website:

    Go to the live Tumblr website and click the Settings Icon in the upper right corner of the Testmonial Slider plugin.

All you need to know about our Testmonial Slider app is just a click away.

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Remove the Guesswork of Building Your Brand

Brand Identity Begins With a Great Website

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


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

Testmonial Slider to Tumblr
Add Testmonial Slider to Tumblr

Website Element Customization is Next

Some may think only a 'techie' in the office or a self-proclaimed 'expert' on Facebook can develop a Testmonial Slider without a hitch.


Others look for low-cost alternative Testmonial Slider apps from overseas or open source Testmonial Slider apps that claim to have what they're looking for.

POWR Saves You Valuable Time

And it takes huge amount of time to customize and update a Testmonial Slider app, which will result in more complications.


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

Add Testmonial Slider to Tumblr
Support feature

POWR supports high-volume sites on Tumblr and prioritizes the security of our Testmonial Slider app, as well as all 60+ apps, to keep any bad actors at bay.

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

POWR's team of engineers are working around the clock to keep Tumblr Testmonial Slider and all 60+ other POWR apps working perfectly.

CASE STUDY: Rbia Shades is winning with POWR apps

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 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 Testmonial Slider to Tumblr
Testmonial Slider to Tumblr
250% growth in contacts
Testmonial Slider to Tumblr
2x engagement improvement
Testmonial Slider to Tumblr
2x more time on site

POWR apps are made to grow your online revenue.

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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.