ConceptsScheme
Scheme
The portion of a URL that names the protocol used (http, https, ftp, etc.), the first piece that tells the browser how to fetch the resource. Foundational to reading URLs and understanding web requests.
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HTTP
The most substantial related concept here, covered by 9 lessons.
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8 lessons cover this conceptWeb Architecture and Request Flow
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Input Handling and Injection Attacks
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Defensive Web Thinking
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