Sourcemap Explorer
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Glossary

Plain-English definitions

The vocabulary behind Sourcemap Explorer — short, useful entries for anyone arriving with unfamiliar jargon.

Source map

A source map is a JSON file that maps compiled or minified JavaScript (or CSS) back to its original source — typically including the full original file paths and their complete contents.

Website fingerprinting

Website fingerprinting is the practice of identifying the technology stack — frameworks, libraries, CMS, hosting, analytics — a website uses, by cross-referencing signals in its HTML, headers, cookies, scripts and runtime behavior.