Glossary
Short, plain-English definitions of the web, SEO, developer and security terms that come up across Markvibe's tools.
Base64
A binary-to-text encoding that represents data using 64 printable ASCII characters.
JSON Web Token (JWT)
A compact, URL-safe token format for transmitting signed claims between parties.
Regular Expression (Regex)
A pattern language for matching, searching and replacing substrings of text.
UUID (Universally Unique Identifier)
A 128-bit identifier designed to be unique across space and time without coordination.
Cryptographic Hash
A fixed-length fingerprint derived from arbitrary input via a one-way function.
JSON (JavaScript Object Notation)
A lightweight, human-readable data format built on key-value pairs and arrays.
Meta Tags
HTML elements in the document head that describe a page to browsers, crawlers and social platforms.
URL Slug
The human-readable identifier at the end of a URL, derived from a page's title.
Data URI
An inline URL scheme that embeds small binary resources (like images) directly into HTML or CSS.
HMAC
A keyed-hash message authentication code that proves a message came from a holder of a shared secret.
Favicon
The small icon a browser shows in the tab, bookmark list and history for a website.
Open Graph
A meta-tag protocol that controls how a URL is represented when shared on social networks.