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

Don't know how to code? No problem with these easy steps to add Before and after slider to HTML in minutes.

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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 the following Before and after slider HTML 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.

Undecided if our Before and after slider app will suit your needs? We have all the details you need.

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Remove the Guesswork of Building Your Brand

Brand Identity Begins With a Great Website

If you have your HTML website working, you’ve completed the biggest challenge in building an online presence. Awesome!


But next comes the hard part: how can you engage, captivate, turn, and support more visitors?

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

Website Element Customization is Next

Some may first take a stab at 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 for a bargain.

Get Back More Time With POWR

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


Additionally, as your business increases, 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

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

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 nonstop to keep POWR apps like your HTML Before and after slider at peak performance for you.

CASE STUDY: Rbia Shades wins big with POWR

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.

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
250% growth in contacts
Before and after slider to HTML
2x engagement improvement
Before and after slider to HTML
2x time on site

POWR apps are made to grow your online revenue.

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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.