Technology Reference Resources
Practical reference material for understanding common internet, networking, wireless, file, image, and video technology concepts. Use these references when you need a technical definition or structured explanation rather than a general article.
HTTP Status Code Reference
Understand common HTTP response codes, their categories, and what successful responses, redirects, client errors, and server errors generally mean.
DNS Record Reference
A practical reference to A, AAAA, CNAME, MX, TXT, NS, SRV, CAA, DNSSEC, and other commonly encountered DNS record types.
Wi-Fi Standards Reference
Understand Wi-Fi 4, Wi-Fi 5, Wi-Fi 6, Wi-Fi 6E, and Wi-Fi 7, along with the major technologies behind each generation.
File Extension Reference
Look up common document, image, audio, video, archive, and data file extensions and understand their typical uses.
Internet & Network Ports Reference
Find common TCP and UDP ports, their usual service associations, and the difference between a port number and an actually reachable service.
Image & Video Format Reference
Compare common image formats, video containers, and video codecs, including their typical characteristics and uses.
Using These References
These resources are designed as practical technical references. They explain common implementations and conventions, but individual devices, applications, network configurations, and service providers may behave differently.