App page software with custom CSS/JS unleashed

Experience the potential of app page creator with custom CSS/JS and seamlessly craft high-performing landing pages specific to various ads and audiences. Drive conversions, boost brand credibility, and cultivate lasting customer loyalty.

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Build landing pages Build landing pages Build landing pages at scale without coding

With Instapage’s intuitive drag-and-drop page builder with diverse design features, over 5,000 fonts, and 33 million images, anyone can easily create professional-looking, top-performing landing pages without technical or design skills.

Boost results Boost results Increase conversions with fast-loading pages

Reduce bounce rates and increase engagement with lightning-fast landing pages. Our Thor Render Engine™, back-end technology delivers 3x faster-loading landing pages so you won't lose a single lead.

Build landing pages Build landing pages Boost productivity with AI content generation

Scale page creation and overcome writer’s block or generate copy variations for A/B tests with the AI Content Generator. Create high-quality and engaging content for each audience and ad group, including paragraphs, CTAs, or entire copies directly in the Instapage builder.

Maximize campaign Maximize campaign Make the most of analytic insights

Get data-backed insights about your campaigns and page performance so you can test and optimize for higher ROI. Track visitors, conversions, conversion rates, cost-per-visitor, and cost-per-lead in real time. View heatmaps to understand user behavior - all without leaving Instapage.

Power up landing Power up landing Optimize traffic with AI experiments

Improve page performance fast with an AI-powered experimentation tool. It tracks your ongoing experiments and directs traffic to top-performing page variations, no matter how many versions you have. Achieve faster optimization insights without sacrificing the quality of your results.

Improve alignment across Improve alignment across Secure your business data

Instapage safeguards business data and your customer's privacy with enterprise-grade security measures, including SSL certification, two-factor authentication, SSO, and more. Instapage also maintains compliance with GDPR, SOC 2, and CCPA regulations.

Improve alignment across your creative team sidebar
Vita raises lead generation efforts and experiences with a 250% MQL growth using Instapage
Build landing pages Build landing pages at scale without coding
With Instapage’s intuitive drag-and-drop page builder with diverse design features, over 5,000 fonts, and 33 million images, anyone can easily create professional-looking, top-performing landing pages without technical or design skills.
Boost results Increase conversions with fast-loading pages
Reduce bounce rates and increase engagement with lightning-fast landing pages. Our Thor Render Engine™, back-end technology delivers 3x faster-loading landing pages so you won't lose a single lead.
Build landing pages Boost productivity with AI content generation
Scale page creation and overcome writer’s block or generate copy variations for A/B tests with the AI Content Generator. Create high-quality and engaging content for each audience and ad group, including paragraphs, CTAs, or entire copies directly in the Instapage builder.
Maximize campaign Make the most of analytic insights
Get data-backed insights about your campaigns and page performance so you can test and optimize for higher ROI. Track visitors, conversions, conversion rates, cost-per-visitor, and cost-per-lead in real time. View heatmaps to understand user behavior - all without leaving Instapage.
Power up landing Optimize traffic with AI experiments
Improve page performance fast with an AI-powered experimentation tool. It tracks your ongoing experiments and directs traffic to top-performing page variations, no matter how many versions you have. Achieve faster optimization insights without sacrificing the quality of your results.
Improve alignment across Secure your business data
Instapage safeguards business data and your customer's privacy with enterprise-grade security measures, including SSL certification, two-factor authentication, SSO, and more. Instapage also maintains compliance with GDPR, SOC 2, and CCPA regulations.

The best budget-friendly app page builder with custom CSS/JS

Are you new to creating websites and landing pages, or maybe just the thought of it gives you chills? Using our app page builder with custom CSS/JS might just be that low-risk, extremely intuitive, and affordable solution you were seeking. It’s filled with different building customization features, user behavior monitoring capabilities, and optimization functionalities that are easy to grasp and make getting started a breeze.

Although the Instapage creator provides numerous templates and pre-added visual resources, there’s plenty of room for creativity and customization. Start taking the full advantage of Instapage in a snap.

Getting started with our app page software with custom CSS/JS

  1. Sign in to your Instapage account or create a new one.
  2. In the top left corner, choose Create Page and choose your page type. Come up with a name for it.
  3. Start off with one of 200+ templates ideal for different types of websites.
  4. Leverage the numerous layout elements to modify your page's design.
  5. Choose to add text, modify its size and font, upload images, build in videos, and use other options available in the left sidebar.
  6. Create a form and check it in the builder before publishing the modifications.
  7. Preview your landing page to ensure it looks and functions as desired.
  8. Proceed to publish your page by selecting any of the available publishing options.

As you explore our app page creator with custom CSS/JS, you’ll find that it doesn’t require much of a learning curve, irrespective of your tech background or previous skills. It frees you from needing to hire a dedicated developer or designer to launch your page. Furthermore, while Instapage provides many no-code widgets and elements, you can still enhance your landing page by implementing personalized HTML, Javascript, and CSS for extra versatility.

Enhance your page’s creation process with our intuitive website builder. Start boosting your online presence today!

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"If we have to wait on a developer, our creative velocity plummets. But Instapage has made it possible for us to exponentially grow our advertising programs and convert more customers"
User review
Alex Kracov, Head of Marketing

Leading the way in building high-performing landing pages

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See app page creator with custom css/js in action

In this tutorial, Bibek introduces the 18th episode focused on SharePoint modern sites. He emphasizes the importance of subscribing to his channel for future tutorials. The primary objective of this episode is to add custom CSS and JavaScript using app customizers. Before that, he outlines the necessary tools required on the user's machine. He instructs users to search for the SPFX Yeoman generator online and follow the link to set up their development environment. Essential installations include Node.js, which must be downloaded if not already installed, a code editor (Visual Studio Code), Gulp, Yeoman, and the SharePoint generator. The tutorial guides users through the installation commands for Gulp and Yeoman.

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