References
Developer references
Searchable technical references for everyday development tasks.
Design
CSS Named Colors
Search standard CSS color names and copy their HEX, RGB and HSL values.
Open referenceHTML
HTML Entities
Search common HTML entities and copy named, decimal and hexadecimal representations.
Open referenceHTTP
HTTP Headers Reference
Search common HTTP request, response, security, caching and authentication headers.
Open referenceHTTP
HTTP Status Codes
Search HTTP response codes, categories and meanings.
Open referenceHTTP
MIME Types
Look up media types and common file extensions.
Open referenceDevelopment
Regex Cheat Sheet
Search regular expression syntax, character classes, groups, quantifiers, anchors and practical patterns.
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