This certifies that
Your name
has successfully completed the assessed program
Networking & HTTP
Explain the path of an HTTP requestRead headers, status codes and cache rulesDebug connectivity with curl and browser tools
Understand what happens between a click and a response.
Follow a request from DNS to TCP, TLS and HTTP. Learn headers, caching, status codes, latency, CDNs and the security basics that explain most production incidents.
Reviewed and updated October 2026 · Free to start
290 practice drills included for extra repetition
Complete every lesson, then pass a timed assessment to earn the Networking & HTTP Certificate. Each credential has a unique ID and a QR code that resolves to a live public record.
Pro members get five certification attempts and unlimited timed mock exams. Compare Pro
This certifies that
Your name
has successfully completed the assessed program
Networking & HTTP
Explain the path of an HTTP requestRead headers, status codes and cache rulesDebug connectivity with curl and browser tools