Install A Mailing List App on Twenty Fifteen WordPress Theme

Don't know how to code? No problem with these easy steps to add Mailing List to Twenty Fifteen WordPress Theme in minutes.

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Steps to Add a Mailing List App on a Twenty Fifteen WordPress Theme Site

Create your customized Mailing List app, match your website's style and colors, and add Mailing List to your Twenty Fifteen WordPress Theme page, post, sidebar, footer, or wherever you like on your site.

How To Add a Mailing List App on Twenty Fifteen WordPress Theme:

  1. Create a Free Mailing List App

    Start for free now
  2. Copy Mailing List embed snippet for Twenty Fifteen WordPress Theme

    Your code block will be available once you create your app

  3. Add to HTML or Embed Code element in Twenty Fifteen WordPress Theme editor

    Paste above Mailing List snippet into any Twenty Fifteen WordPress Theme element that accepts HTML or an embed code. Save, view the live page, and your Mailing List will appear!

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

See the details

Remove the Guesswork of Building Your Brand

A Solid Brand Identity Starts on Your Website

Congratulations on making the first move to grow your company's presence online -- by getting your Twenty Fifteen WordPress Theme website live on the web!


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

Mailing List to Twenty Fifteen WordPress Theme
Add Mailing List to Twenty Fifteen WordPress Theme

Then You Must Customize Your Elements

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


Others attempt to find open source Mailing List apps, or companies abroad that allegedly offer Mailing List apps for a bargain.

POWR Saves You Valuable Time

And it takes tons of time to customize and update a Mailing List 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 Mailing List to Twenty Fifteen WordPress Theme
Support feature

POWR supports high-volume sites on Twenty Fifteen WordPress Theme and prioritizes the security of our Mailing List app, as well as all 60+ apps, to keep any bad actors at bay.

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

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

CASE STUDY: Rbia Shades is winning with POWR apps

After Rbia launched its website, they were looking for a solution to add new contacts for outreach.


They found POWR while looking for a popup solution on their site and started to see immediate results.

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 Mailing List to Twenty Fifteen WordPress Theme
Mailing List to Twenty Fifteen WordPress Theme
250% contacts growth
Mailing List to Twenty Fifteen WordPress Theme
2x engagement improvement
Mailing List to Twenty Fifteen WordPress Theme
2x more time on site

Yes, POWR has an app for that.

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)

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Frequently Asked Questions

Learn more about how to add POWR apps to your website.