I regularly use the web application Red dit. The components that make it work include a web server, a database, and a web application framework. Red dit utilizes a number of technologies to power its platform, such as Python, React, and JavaScript. It also makes use of 3rd-party services such as AWS and Goo gle Cloud.
When a user requests a web page, Red dit's web server first processes the request and sends it to the application framework. The application framework then fetches the relevant data from the database and sends it back to the web server. The web server then sends the data back to the user in the form of a web page.
In terms of data collection, Re ddit collects information such as IP address, user preferences, browsing history, and other data related to the user's usage of the website. Red dit also collects anonymous data about the user's device, such as device type, operating system, and browser type.