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

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

    Go to Edit HTML.
  4. Paste POWR 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. Text Post

    Create a new Text post in the Tumblr dashboard.
  6. Paste the Shortcode

    Paste the POWR shortcode into the text post, then 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. 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

Brand Identity Begins With a Great Website

Congratulations on starting to develop your online business online -- by getting your Tumblr website live on the web!


But here comes the next big question: How do you get site visitors to engage and buy your product or service?

Testmonial Slider to Tumblr
Add Testmonial Slider to Tumblr

Website Element Customization is Next

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 foreign companies that claim to offer Testmonial Slider apps at rock-bottom prices.

Save Time With POWR

Also, customizing and updating a Testmonial Slider app involves even more time, and is likely to cause new complications.


As your company continues to expand, you're likely to encounter 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

Because POWR is built for scale, has the most advanced built-in security and high-volume capabilities of any other Testmonial Slider app on the market, we protect you while you grow on Tumblr.

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

Our team of expert engineers work relentlessly to make sure the POWR apps such as your Tumblr Testmonial Slider working for you.

CASE STUDY: Rbia Shades wins big with POWR

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.

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
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.