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Discussion on: How HTTP works?

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Inam Ul Haq Author

HTTP, in its essence, is just rules agreed by concerned orgs and people. Now, rules change for betterment, so did HTTP rules over the time, and there are several HTTP versions(HTTP 1.0, HTTP 1.1, HTTP 2 ...). These rules need to be implemented by both clients(browsers) and servers(apache, nginx) to be fully functional (e.g. if server respond with HTTP 2 response but browser didn't implement HTTP 2 it won't work). HTTP 2 is a major release which defines new rules and it's completely different from HTTP 1.X but it has yet to be as popular/supported as HTTP1.X.