Contacting a server

We already saw different ways to contact a server
- - Direct URL entry in your browser

- - - ex. you type cse104.org/your_directory

- - Links from HTML pages

- - - ex. `<a href="cse104.org/your_directory">`

- - Fetch call from JavaScript

- - - ex. fetch(cse104.org/your_directory).then(response)...

We saw that parameters can be sent with the URL
- - url/?query?...

Server programming \(\simeq\) Handling/Responding to these queries