อภิธานศัพท์

ARIA Label

An HTML attribute providing accessible names for elements, critical for making symbol-heavy UIs usable with screen readers.

Web & HTML

CSS content Property

A CSS property that inserts content before or after an element, commonly used with Unicode escape sequences (e.g., content: '\2713').

Web & HTML

Character Reference

An HTML markup for inserting characters by number (☃ or ☃) or name (©), used for special or reserved characters.

Web & HTML

HTML Entity

A string that begins with & and ends with ; used to display reserved or special characters in HTML (e.g., & for &, © for ©).

Web & HTML

Internationalized Domain Name (IDN)

A domain name containing non-ASCII characters, encoded via Punycode for DNS compatibility (e.g., münchen.de → xn--mnchen-3ya.de).

Web & HTML

Punycode

An encoding syntax for representing Unicode strings with ASCII characters, used in Internationalized Domain Names.

Web & HTML

URL Encoding (Percent-Encoding)

A method of encoding special characters in URLs by replacing them with % followed by two hex digits of their UTF-8 byte values.

Web & HTML

Web Fonts (@font-face)

Custom fonts loaded via CSS @font-face rules, enabling rich typography beyond system-installed fonts.

Web & HTML

unicode-range (CSS)

A CSS descriptor that specifies the range of Unicode code points a web font covers, enabling font subsetting.

Web & HTML