Learn what JSON is, how it works, and why it's the most popular data format in web development. Includes syntax rules, common use cases, and practical examples.
Understand Base64 encoding from first principles. Learn why it exists, how the algorithm works step-by-step, and practical use cases for developers.
Understand URL encoding (percent encoding), why it exists, which characters must be encoded, and how to properly handle URLs in your web applications.
A developer-friendly guide to the Domain Name System. Learn how DNS resolution works, record types (A, AAAA, CNAME, MX, TXT), caching, and troubleshooting tips.
