A URL is a complete set of instructions for finding something on the Internet. Each component answers a question: how to connect, where to go, what to get, and which part to show.
HTTP has been rewritten five times—not because engineers were bored, but because each version hit a wall. This is the story of those walls and the clever hacks that got around them.
HTTP sends your data as postcards anyone can read. HTTPS seals them in envelopes only you and the recipient can open. That single letter changed what the Internet could become.
The web is a conversation. You speak, it answers. Here's what's actually in that exchange—and why the server has amnesia.
URLs tell you where something lives. URNs tell you what something is. Both are URIs. The difference matters when things move.
HTTP is the conversation between your browser and servers—a request-response dialogue that makes every web page possible.
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