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:
Create a Free Before and after slider App
Start for free nowCopy Before and after slider HTML code snippet
Your code block will be available once you create your app
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.
Not sure if our Before and after slider app is right for you? Find out more about its features and integrations.
See the detailsRemove the Guesswork of Building Your Brand
Begin Building Brand Identity From Your Website
If you have your HTML website working, you’ve tackled the biggest challenge in building an online presence. Way to go!
But next comes the hard part: how can you entice, captivate, make, and support more visitors?


Website Element Customization is Next
People often ask a 'techie' friend to design a Before and after slider for them or hire a 'web guy' that one of their friends referred.
Others look overseas or for low-cost open source alternatives for Before and after slider.
Reduce Time Spent by Half With POWR
Also, customizing these apps usually requires coding experience or another designer to help -- costing even more resources.
In a world where scammers infiltrate sites every day, many other Before and after slider apps out there aren't built with security in mind, which could expose your customers or worse -- crash your whole site. Not with POWR!


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

Furthermore, our team of incredible engineers work at all hours to keep POWR apps like your HTML Before and after slider at peak performance for you.
CASE STUDY: Rbia Shades completely transformed their online experience
Rbia Shades needed to expand beyond its region by bringing its products online. They needed a low-maintenance, non-techie solution.
After much research, they chose POWR as their no-code tool of choice.
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.

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)
Frequently Asked Questions
Learn more about how to add POWR apps to your website.
Yes, any POWR app will work perfectly on any website. What’s better, is the patented POWR Live Editor is the same regardless of the app.
- Easily add more than one (for free)
- Edit to your needs directly from your live site
- Changes are made instantly
Absolutely! The POWR Before and after slider widget is optimized for mobile, ensuring that it looks great and functions smoothly across all devices, including phones and tablets.
This optimization enhances user experience, contributing to higher engagement rates on your HTML site.
POWR Before and after slider allows you to edit every detail such as fonts, colors, borders, and spacing directly from the editor, ensuring your Before and after slider perfectly match your brand's identity.
This flexibility makes it easy to integrate and align with your site's look and feel.
Adding Before and after slider to your HTML site is fully outlined above and straightforward with no coding required.
Simply follow POWR's setup guide, which is as easy as copy/pasting the provided code snippet into your site's HTML.
This ease of installation makes it convenient for HTML site owners to implement Before and after slider and gather feedback from their audience.
Using POWR Before and after slider on your HTML site offers numerous benefits, including enhanced customization options and easy installation without coding.
These features help improve your site's user engagement by allowing visitors to provide valuable feedback, leading to better online growth.