hjkl: is it still online? | SaaS OutpostNovember 2026 cohort / Education
Teaches Vim through hands-on editing challenges in a browser-based editor.
- Status
- Onlinesince Nov 5, 2026
Last 30 days
100% of checks answered · median response 603 ms
- Oct 9, 2026: Not checked
- Oct 10, 2026: Not checked
- Oct 11, 2026: Not checked
- Oct 12, 2026: Not checked
- Oct 13, 2026: Not checked
- Oct 14, 2026: Not checked
- Oct 15, 2026: Not checked
- Oct 16, 2026: Not checked
- Oct 17, 2026: Not checked
- Oct 18, 2026: Not checked
- Oct 19, 2026: Not checked
- Oct 20, 2026: Not checked
Domain and certificate
- Registrar
- Cloudflare, Inc
- Registered
- Sep 5, 2026 · 59 days before launch
- Renewal due
- Sep 5, 2027 · in 10 months
- DNS
- Cloudflare
- HTTPS certificate
- valid to Jan 23, 2027 · 3 months left
Registration data for duy.run from the registry's public RDAP service, looked up Nov 5, 2026.
History
Launched
· Launch announcement
Online
· online
- Last checked Nov 7, 2026
Similar products, all online at their last check.
OnlineTeaches Vim through interactive browser-based editing levels for people learning the editor.
OnlineTeaches VHDL and SystemVerilog through browser-based lessons, simulations, waveforms, and coding challenges.
Oct 9, 2026- Online
- Some checks failed
- Down
- Not checked
Today Daily checks started Nov 5, 2026.
Teaches Git through interactive, hands-on lessons in code editors for beginners and experienced developers.
OnlineA platform for practicing React coding challenges with an in-browser editor and automated tests.
OnlineHelps developers practice real-world engineering challenges in a browser-based IDE across modern frameworks and tools.
OnlineAn interactive browser-based SQL tutorial that teaches learners through SQLite exercises, hints, and immediate feedback.