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. Appearance > Theme

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

    Go to Edit HTML.
  4. Paste the Script

    Paste this exact POWR script into the HTML file, in 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 Testmonial Slider.Click the POWR Settings Icon to open the POWR Editor.
  7. To edit your Testmonial Slider on Tumblr:

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

Not sure if our Testmonial 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

Establishing Brand Identity 101 - Your Website

If you have your Tumblr website working, you’ve completed the biggest challenge in building an online presence. Awesome!


But next comes the hard part: how can you entice, captivate, turn, and support more visitors?

Testmonial Slider to Tumblr
Add Testmonial Slider to Tumblr

Then You Must Customize Your Elements

Some may first take a stab at to DIY a Testmonial Slider app or 'knows a guy' that can build one in 'no time'.


Others attempt to find open source Testmonial Slider apps, or companies abroad that claim to offer Testmonial Slider apps at rock-bottom prices.

POWR Saves You Valuable Time

Plus, updating and customizing a Testmonial Slider app can be challenging, and you may think you have to hire a developer.


Additionally, as your business increases, hackers could see an unsecured Testmonial Slider as a great opportunity to exploit your business and your customers. We consider this and built safeguards!

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
POWR provides 24/7 customer support and a dedicated Help Center, so someone is always there to answer all your questions!

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

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
Grow contacts by 250%
Testmonial Slider to Tumblr
2x your engagement
Testmonial Slider 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.