The website starts with a lazy loading definition as the user keeps scrolling the images get laoded based on the user experience.

1. Intersection observer api

2. Unsplash.com

3. expressjs

1. IntersectionObserver is used to detect the entering of images into view port and allows us to do the required operations.

2. Unsplash is used to get random images

3. It is hosted on heroku it can also be accessed by localhost:3000

4. expressjs is used to set up the server

5. 100 images can be accessed by the website which are loaded lazily