← You Don't Need a WebSocket for That Live FeedQuiz
Server-Sent Events and EventSource
Check what actually happens when a live-update connection drops, and whether you understood which job SSE is for and which job still belongs to a WebSocket.
questions8
pass mark70%
resultsat the end
No account needed. Answer all 8 questions, then see your score with every answer explained and a reference to the spec or MDN — pass and you can claim a certificate.