In View Content Renderer

Content Type: Widget
Categories: User Interface,Visualization


Lazy-loads and renders content as it enters the viewport, optimizing resource usage and improving page performance.



This Mendix pluggable widget lazy-loads and renders content as it enters the viewport, optimizing resource usage and improving the performance of Mendix apps.


  • Efficient Lazy-Loading: Dynamically loads content in Mendix pages as the user scrolls, reducing initial load times.
  • Performance Optimization: Enhances user experience by minimizing resource usage on page load.
  • Mendix Studio Pro Integration: Easily integrated into Mendix applications via drag-and-drop in Mendix Studio Pro.
  • Customizability: Flexible design allowing for custom content rendering as needed.
  • Viewport Detection: Utilizes modern browser IntersectionObserver API for detecting when content enters the viewport.


To use the InViewContentRenderer widget in your Mendix app:

  1. Download the widget from the Mendix Marketplace and add it to your app project.
  2. In Mendix Studio Pro, navigate to the page where you want the content to be lazily loaded.
  3. Drag and drop the InViewContentRenderer widget onto your page.
  4. Configure the widget properties, if necessary, to specify the content that should be rendered lazily.
  5. Run your app locally or publish it to see the lazy-loading in action.

Issues, suggestions, and feature requests:

We welcome your feedback and contributions. Please report any issues or suggest features on our GitHub repository: Report an issue or suggest a feature

Development and contribution:

  1. Clone the repository to your local machine.
  2. Install the necessary packages using npm install.
  3. Use npm start to begin compilation in watch mode.
  4. Make changes to the source code. The widget will automatically recompile.
  5. Test the widget within your Mendix app by importing the MPK file from the dist folder.

Contribution guidelines:

  • Code Contributions: Submit pull requests with detailed descriptions of changes.
  • Issue Reporting: Use the GitHub issues template to report problems or suggest features.
  • Documentation: Help improve or correct the documentation.


Version: 1.1.0
Framework Version: 9.24.0
Release Notes: Enhanced visibility check for elements
Version: 1.0.0
Framework Version: 9.24.0
Release Notes: Initial version