Number 1: 
JSKAPPS
Small, sharp software tools that each do one job well
- Browser Extensions & Plugins
- India
- DR 51 no change since last check
Browser Extensions & Plugins
30 Seconds of Knowledge
Keep your engineering skills sharp with one real code snippet on every new tab
- Community votes
- 0
- DR by Ahrefs
- 9 no change since last check
Ahrefs Domain Rating benchmarked 1 Nov 2026, rebuilt 1 Nov 2026.
A browser extension that shows one real code snippet every new tab to help engineers stay sharp in 30 seconds.
What it is
30 Seconds of Knowledge is a browser extension that replaces your blank new tab with one real code snippet to read in 30 seconds. The extension helps prevent skill atrophy by delivering one real code snippet on every new tab, covering language features, framework patterns, and interview questions across 14 programming libraries. With over 1500 snippets and 25,000 users, it offers a quick way to refresh your engineering knowledge without requiring courses or streaks to maintain.
What it is built with
- Support for JavaScript, Python, React, Git, C++, C#, CSS, Dart, Go, HTML, PHP, and Interview Questions
- Live Preview for CSS snippets
- Random snippet or browse favorites and all snippets
- Available on Chrome, Firefox, Edge, Brave, and Arc
- Open source project on GitHub
Pricing
Pricing model: Free
Free
30 Seconds of Knowledge metrics
| Metric | Value |
|---|---|
| Domain Rating | 9 no change since last check |
| Trust Flow | 4 no change since last check |
| Citation Flow | 20 no change since last check |
| Referring domains | 73 no change since last check |
| External backlinks | 249 no change since last check |
Ahrefs Domain Rating benchmarked 1 Nov 2026, rebuilt 1 Nov 2026. Main build topic: Science/Biology (4). Majestic benchmarked 1 Nov 2026, rebuilt 1 Nov 2026. Link data built by Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.
30 Seconds of Knowledge domain build sheet
Open the build sheet
| Domain age | 7 years |
|---|---|
| Registered | |
| Expires | |
| Registrar | PDR Ltd. d/b/a PublicDomainRegistry.com |
| DNSSEC | Not signed |
30 Seconds of Knowledge after-launch build log
Since 30 Seconds of Knowledge launched on Maker Launches on 1 November 2026, these are the figures we have tracked.
- Domain Rating (Ahrefs)
- 9
- First measured 1 Nov 2026
- Referring domains (Majestic)
- 73
- First measured 1 Nov 2026
Day 0 since launch. Next receipt: day 30, 1 Dec 2026. We show what changed, not what caused it: many things affect these numbers. Nothing here is estimated.
Compare and explore
Questions from the bench
- What is 30 Seconds of Knowledge?
- 30 Seconds of Knowledge is a browser extension that replaces your blank new tab with one real code snippet to read, covering language features, framework patterns, and interview questions.
- How many code snippets are available?
- The extension offers 1500+ code snippets pulled from 14 different programming libraries.
- Why use 30 Seconds of Knowledge?
- As AI writes more code, engineers risk forgetting how it works. This extension delivers one real code snippet on every new tab to keep your fundamentals sharp without requiring courses or streaks.
- On which browsers does it work?
- 30 Seconds of Knowledge is available as a browser extension for Chrome, Firefox, Edge, Brave, and Arc.
- Is 30 Seconds of Knowledge free?
- Yes, it is free and stays free and open for everyone.
Leave a review for 30 Seconds of Knowledge
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30 Seconds of Knowledge has a free listing. The owner can unlock the full profile with a paid launch for $5:
- Founder story (locked)
- Milestones (locked)
- Demo video (locked)
- Dofollow website link (locked)
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