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:
Create a Free Testmonial Slider App
Start for free nowAppearance > Theme
In the Tumblr Editor, open your Account Settings and select Edit Appearance. On the next page, select Edit Theme.Edit HTML
Go to Edit HTML.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.Text Post
Create a new Text post in the Tumblr dashboard.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.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.
See the detailsRemove 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?


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!


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.

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.

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)
Frequently Asked Questions
Learn more about how to add POWR apps to your website.
Yes, any POWR app will work perfectly on any website. What’s better, is the patented POWR Live Editor is the same regardless of the app.
- Easily add more than one (for free)
- Edit to your needs directly from your live site
- Changes are made instantly
Absolutely! The POWR Testmonial Slider widget is optimized for mobile, ensuring that it looks great and functions smoothly across all devices, including phones and tablets.
This optimization enhances user experience, contributing to higher engagement rates on your Tumblr site.
POWR Testmonial Slider allows you to edit every detail such as fonts, colors, borders, and spacing directly from the editor, ensuring your Testmonial Slider perfectly match your brand's identity.
This flexibility makes it easy to integrate and align with your site's look and feel.
Adding Testmonial Slider to your Tumblr site is fully outlined above and straightforward with no coding required.
Simply follow POWR's setup guide, which is as easy as copy/pasting the provided code snippet into your site's HTML.
This ease of installation makes it convenient for Tumblr site owners to implement Testmonial Slider and gather feedback from their audience.
Using POWR Testmonial Slider on your Tumblr site offers numerous benefits, including enhanced customization options and easy installation without coding.
These features help improve your site's user engagement by allowing visitors to provide valuable feedback, leading to better online growth.


