How to Add A Holiday Countdown App to a Tumblr Website

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

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Steps to Add a Holiday Countdown App on a Tumblr Site

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

How To Add a Holiday Countdown App on Tumblr:

  1. Create a Free Holiday Countdown App

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  2. Edit Appearance > Edit Theme

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

    Click on the Edit HTML link underneath Custom Theme.
  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. New Text Post

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

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

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

Need to know more about features and integrations of our Holiday Countdown app?

See the details

Remove the Guesswork of Building Your Brand

A Solid Brand Identity Starts on Your Website

Congratulations on publicizing your business online with Tumblr!


The next step is often gaining website visitors and making sales, but how?

Holiday Countdown to Tumblr
Add Holiday Countdown to Tumblr

Website Element Customization is Next

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


Others attempt to find open source Holiday Countdown apps, or companies abroad that allegedly offer Holiday Countdown apps at rock-bottom prices.

Reduce Time Spent by Half With POWR

Also, customizing and updating a Holiday Countdown app calls for even more time, and is likely to cause new bugs.


As your company continues to expand, you're likely to face security issues, as hackers may attempt to take advantage of vulnerabilities in the Holiday Countdown app. POWR has you covered!

Add Holiday Countdown to Tumblr
Support feature

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

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

Our Holiday Countdown comes with a team of expert engineers that work constantly for you, making sure your Holiday Countdown is always working perfectly.

CASE STUDY: POWR put Rbia Shades on the success track

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 Holiday Countdown to Tumblr
Holiday Countdown to Tumblr
250% contacts growth
Holiday Countdown to Tumblr
2x your engagement
Holiday Countdown to Tumblr
Time on site up 2x

Every POWR app works on any platform.

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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.