How to Add An Overlay Popup App to a Tumblr Website

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

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Steps to Add a Overlay Popup App on a Tumblr Site

Create your customized Overlay Popup app, match your website's style and colors, and add Overlay Popup to your Tumblr page, post, sidebar, footer, or wherever you like on your site.

How To Add a Overlay Popup App on Tumblr:

  1. Create a Free Overlay Popup App

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  2. Edit Appearance > Edit Theme

    In your Tumblr dashboard, open your Account Settings. Select Edit Appearance and click Edit Theme.
  3. Edit HTML

    Click on the Edit HTML link.
  4. Paste the Script

    Paste the POWR script into the HTML file between the Head tags. Then click Update, and save.
  5. Create Text Post

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

    Paste this shortcode into the post. If you expand the post, you will see your new POWR Overlay Popup.Click the POWR Settings Icon to open the POWR Editor.
  7. Begin to change the Overlay Popup plugin:

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

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

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Remove the Guesswork of Building Your Brand

A Solid Brand Identity Starts on Your Website

If you have your Tumblr website working, you’ve tackled the biggest challenge in building an online presence. Way to go!


But next comes a tough question: how can you draw in, captivate, make, and support more visitors?

Overlay Popup to Tumblr
Add Overlay Popup to Tumblr

Now You Have To Make Your Elements Unique

Some small business owners try to develop an Overlay Popup 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 Overlay Popup apps for low prices or attempt to use open source code.

POWR Saves You Valuable Time

And it takes huge amount of time to customize and update an Overlay Popup app, which will result in more bugs.


But, if you haven't built a strong security system, your business could be prone to hacking and other security issues. We thought of that!

Add Overlay Popup to Tumblr
Support feature

POWR has the most advanced security features, is built for scale, and currently supports high-volume sites on Tumblr and other similar platforms.

security feature
Our award-winning customer support team is available 24/7, as well as a dedicated Help Center to answer any questions.

Our team of expert engineers work relentlessly to make sure the POWR apps such as your Tumblr Overlay Popup running smoothly for you.

CASE STUDY: Rbia Shades wins big with POWR

A few months after Rbia Shades launched at local fairs and craft shows, they were looking for a way to sell online.


They wanted to visually appeal to site visitors and demonstrate the quality of their product and lightweight, ergonomic designs.


Their web host did not provide an adequate solution for this, and after some research, decided to give POWR a try.

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 Overlay Popup to Tumblr
Overlay Popup to Tumblr
Grow contacts by 250%
Overlay Popup to Tumblr
Up 2x in engagement
Overlay Popup to Tumblr
Time on site up 2x

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.