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Here's a preview from my zine, HTTP: Learn your browser's language!! If you want to see more comics like this, sign up for my saturday comics newsletter or browse more comics!

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  • scheme (https://): Protocol to use for the request. Encrypted (https), insecure (http), or something else entirely (ftp).
  • domain ( Where to send the request. For HTTP(s) requests, the Host header gets set to this (Host:
  • port (:443): Defaults to 80 for HTTP and 443 for HTTPS.
  • path (/cats): Path to ask the server for. The path and the query parameters are combined in the request, like: GET /cats?color=light%20gray HTTP/1/1
  • query parameters (color=light gray): Query parameters are usually used to ask for a different version of a page (“I want a light gray cat!”). Example: hair-short&color=black&name=mr%20darcy. Hair is the name, short is the value, separated by &
  • URL (encoding %20): URLS aren’t allowed to have certain special characters like spaces, @, etc. So to put them in a URL you need to percent encode them as % + hex representation of ASCII value. space is %20, % is %25, etc.
  • fragment id (#banana): This isn’t sent to the server at all. It’s used either to jump to an HTML tag (<a id="banana"..>) or by Javascript on the page.

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