How to Add A Testimonials App to a Tumblr Website

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

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Steps to Add a Testimonials App on a Tumblr Site

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

How To Add a Testimonials App on Tumblr:

  1. Create a Free Testimonials App

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  2. Edit Appearance

    In your Tumblr dashboard, open your Account Settings. Select Edit Appearance and click Edit Theme.
  3. Edit HTML

    Go to Edit HTML.
  4. Copy and Paste Script

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

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

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

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

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

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Remove the Guesswork of Building Your Brand

Establishing Brand Identity 101 - Your Website

You've already invested time and resources in building 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.

Testimonials to Tumblr
Add Testimonials to Tumblr

Now You Have To Make Your Elements Unique

Some may first try to DIY a Testimonials app or 'knows a guy' that can build one in 'no time'.


Others attempt to find open source Testimonials apps, or foreign companies that allegedly offer Testimonials apps at rock-bottom prices.

Reduce Time Spent by Half With POWR

Also, customizing these apps usually requires coding experience or another designer to help -- costing even more resources.


In a world where scammers infiltrate sites every day, many other Testimonials apps out there aren't built with security in mind, which could expose your customers or worse -- crash your whole site. Not with POWR!

Add Testimonials to Tumblr
Support feature

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

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 at all hours to keep POWR apps like your Tumblr Testimonials functioning for you.

CASE STUDY: Rbia Shades wins big with POWR

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.

Rbia started to see success with POWR Popup almost immediately, adding over 600 new contacts in the first 90 days.


They then realized that there was a complete suite of other solutions they could use to improve their online experience for site visitors.


Soon, Rbia embedded an Instagram Feed app on their website and noticed site visitors who interacted with the app doubled the time spent on their page while growing their followers to over 11k on Insta at the same time.

Add Testimonials to Tumblr
Testimonials to Tumblr
Grow contacts by 250%
Testimonials to Tumblr
2x your engagement
Testimonials to Tumblr
2x time on site

All POWR apps are built for peak-performance.

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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.