Embed A Testmonial Slider App to a Tumblr Website

Don't know how to code? No problem with these easy steps to add Testmonial Slider to Tumblr in minutes.

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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

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  2. Edit Appearance

    Go to Account Settings > Edit Appearance > Edit Theme.
  3. Edit HTML

    Underneath Custom Theme, click Edit HTML.
  4. Copy and Paste Script

    Paste the POWR script into the HTML file 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. 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.

Undecided if our Testmonial Slider app will suit your needs? We have all the details you need.

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Remove the Guesswork of Building Your Brand

Brand Identity Begins With a Great Website

Congratulations on getting your business online with Tumblr!


The next step is often gaining website visitors and making sales, but how?

Testmonial Slider to Tumblr
Add Testmonial Slider to Tumblr

Then You Must Customize Your Elements

Some small business owners try to design a Testmonial Slider app solo or get an expensive web designer that claims they can build one.


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

Get Back More Time With POWR

Also, customizing and updating a Testmonial Slider app calls for even more time, and is likely to cause new issues.


As your company continues to expand, you're likely to face security issues, as hackers may attempt to manipulate vulnerabilities in the Testmonial Slider app. POWR has you covered!

Add Testmonial Slider 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.

Our Testmonial Slider comes with a team of expert engineers that work constantly for you, making sure your Testmonial Slider is always working smoothly.

CASE STUDY: POWR put Rbia Shades on the success track

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.

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 Testmonial Slider to Tumblr
Testmonial Slider to Tumblr
Contacts growth 250%
Testmonial Slider to Tumblr
Engagement up 2x
Testmonial Slider to Tumblr
2x more time on site

POWR apps are made to grow your online revenue.

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.