Live learning, precisely measured

Live quiz platform

Create, host, and measure live learning from one focused workspace.

  • Real-time WebSockets
  • Server-Graded Answers
  • 13+ Question Blocks
  • Built for WCAG 2.2 AA ยท AAA contrast theme
PIN: 849 201LIVE

Computer Science & Systems

Which protocol provides full-duplex communication over a single persistent TCP connection?

14s
  • HTTP/1.1 Long Polling12
  • WebSocketโœ“ Selected84
  • Server-Sent Events (SSE)18
  • DNS-over-HTTPS4
118 players answeredQuestion 3 of 10
โค๏ธ 24 ๐Ÿ”ฅ 42 ๐Ÿ‘ 19 ๐Ÿ’ก 15Server-timed
  • 13+

    Question Modes

    Choice, Code, Pin, Ordering, & Polls

  • Live

    Low-Latency Sync

    Server-timed WebSockets engine

  • 0

    Answers Sent Early

    Players receive the answer only at the reveal

  • 100%

    Server-Graded

    Score and timing computed by the server, never the client

Built beyond trivia

Why Zembil

Every feature engineered for high engagement and rigorous assessment.

  • 01 / Studio

    Flexible question blocks

    Choice, numeric, ordering, polls, responses, and visual content.

    LaTeX โ€ข Code โ€ข Media

  • 02 / Engine

    Reliable live delivery

    Host-paced rooms with reconnect, reveal barriers, and server-owned timing.

    Reconnect safe โ€ข Atomic lease

  • 03 / Presentation

    Presentation mode

    Mix slides, questions, and polls in one lesson flow.

    Slides + Quizzes in 1 flow

  • 04 / Analytics

    Analytics

    Spot misconception clusters.

    Misconception clusters โ€ข CSV/PDF

Seamless Workflow

From creation to deep insights in minutes

  1. Author & Import

    Design dynamic questions, presentation slides, and code challenges with instant AI/CSV import.

  2. Host Live Session

    Present on any big screen. Participants join instantly via QR or PIN on their phone or laptop.

  3. Measure Mastery

    Celebrate winners on live podiums and discover learning gaps with automated misconception reports.

Ready when you are

Ready to try?

Create a quiz in minutes.