Embed A Testimonial Slider App to a Tumblr Website

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

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Steps to Add a Testimonial Slider App on a Tumblr Site

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

How To Add a Testimonial Slider App on Tumblr:

  1. Create a Free Testimonial Slider App

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  2. Edit Appearance

    In the Tumblr Editor, open your Account Settings and select Edit Appearance. On the next page, select Edit Theme.
  3. Edit HTML

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

    Paste this exact POWR script into the HTML file, in between the Head tags. Then click Update, and save.
  5. Text Post

    Return to your Tumblr Admin page, and create a new Text post.
  6. Paste the Shortcode

    Paste the shortcode into the post. Then save. If you expand the post, you will see your new POWR Testimonial Slider.Click the POWR Settings Icon to open the POWR Editor.
  7. To edit your Testimonial Slider on Tumblr:

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

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

Brand Identity Begins With a Great Website

If you have your Tumblr website working, you’ve tackled the biggest challenge in building an online presence. Way to go!


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

Testimonial Slider to Tumblr
Add Testimonial Slider to Tumblr

Website Element Customization is Next

People often ask a 'techie' friend to design 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.

Get Back More Time With POWR

And it takes tons of time to customize and update a Testimonial Slider app, which will make more issues.


But, without building a strong security system, your site could be prone to hacking and other security issues. We thought of that!

Add Testimonial Slider to Tumblr
Support feature

POWR has the most advanced security features, is built for scale, and currently supports high-volume sites on Tumblr and other similar platforms.

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

Furthermore, our team of talented engineers work nonstop to keep POWR apps like your Tumblr Testimonial Slider up and running for you.

CASE STUDY: Rbia Shades wins big with POWR

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.

In just a few short months of installing a POWR Popup app, Rbia earned over 600 new contacts – a 250% growth.


Next, they used a Social Feed app and quickly noticed a leap in new followers on Instagram and 200% more engagement on their site.


Last came the Media Slider. A beautiful way to show off their products and accessories to every site visitor the moment they land on their site.

Add Testimonial Slider to Tumblr
Testimonial Slider to Tumblr
250% contacts growth
Testimonial Slider to Tumblr
Up 2x in engagement
Testimonial Slider to Tumblr
2x site session time

Every POWR app works on any platform.

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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.