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

    Start for free now
  2. Edit Appearance

    Go to Account Settings > Edit Appearance > 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

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

    Paste the shortcode into the 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 publicizing 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

Now You Have To Make Your Elements Unique

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


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

Save Time With POWR

Plus, updating and customizing a Testmonial Slider app can be difficult, 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

POWR supports high-volume sites on Tumblr and prioritizes the security of our Testmonial Slider app, as well as all 60+ apps, to keep any bad actors at bay.

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

POWR's team of engineers are working around the clock to keep Tumblr Testmonial Slider and all 60+ other POWR apps working smoothly.

CASE STUDY: Rbia Shades completely transformed their online experience

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

Yes, POWR has an app for that.

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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.