How to Add A Before And After Slider App to a HTML Website

Learn the steps to add Before and after slider to your HTML website in minutes with no coding or a developer.

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Steps to Add a Before and after slider App on a HTML Site

Create your customized Before and after slider app, match your website's style and colors, and add Before and after slider to your HTML page, post, sidebar, footer, or wherever you like on your site.

How To Add a Before and after slider App on HTML:

  1. Create a Free Before and after slider App

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  2. Copy Before and after slider HTML code snippet

    Your code block will be available once you create your app

  3. Paste Before and after slider code snippet into your HTML website or template

    Paste the code snippet inside your website's <body> </body> tags where you'd like your Before and after slider to appear.

    Note: If you are viewing an HTML page with the local filesystem (without a server) then your Before and after slider may not appear. If you need a local preview, use the iFrame install method instead.

Need to know more about features and integrations of our Before and after slider app?

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Remove the Guesswork of Building Your Brand

A Solid Brand Identity Starts on Your Website

You've already invested time and resources in building your business online just by having a HTML website.


Your work isn't done yet, though! Now it's time to attract and engage visitors, then turn them into customers.

Before and after slider to HTML
Add Before and after slider to HTML

Website Element Customization is Next

Some may first try to DIY a Before and after slider app or 'knows a guy' that can build one in 'no time'.


Others attempt to find open source Before and after slider apps, or foreign companies that claim to offer Before and after slider apps at rock-bottom prices.

Reduce Time Spent by Half With POWR

Plus, updating and customizing a Before and after slider app can be difficult, and you may think you have to hire a developer.


Additionally, as your business expands, hackers could see an unsecured Before and after slider as a great opportunity to exploit your business and your customers. We consider this and built safeguards!

Add Before and after slider to HTML
Support feature

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

security feature
All common questions are answered by searching POWR's robust Help Center or by reaching out to our customer support team, which is available 24/7.

Furthermore, our team of incredible engineers work at all hours to keep POWR apps like your HTML Before and after slider up and running for you.

CASE STUDY: Rbia Shades completely transformed their online experience

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.

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 Before and after slider to HTML
Before and after slider to HTML
Contacts growth 250%
Before and after slider to HTML
2x engagement improvement
Before and after slider to HTML
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.