Concept / Term · Foundational

HTTP / HTTPS

HyperText Transfer Protocol (Secure)

What does HTTP / HTTPS mean?

The rules browsers and servers use to communicate. HTTPS is the encrypted version and is now standard across the web; browsers label sites without it as 'Not secure'.

Category: Data, Databases & the Web
Maturity: Foundational
Last reviewed: 2026-08-30

Keep exploring

Database (DB)An organised store of information that an app reads from and writes to.
SQLThe standard language for asking questions of, and managing, data in relational databases.
CRUDThe four basic actions almost every app performs on its data.
JSONThe lightweight, readable text format used to pass data between systems. The default for modern APIs.
REST / REST APIThe most common style for building web APIs, using ordinary web requests to read and update data.
URLThe web address of a page or resource, such as https://example.com.
CacheA temporary copy of data kept close at hand so it can be served faster the next time it is needed.
CDNA worldwide network of servers that delivers websites and files quickly from a location near each user.

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