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I built a typing practice tool because typing tests never helped me improve

1•amitgajbhare•2h ago
I type all day — code, emails, docs, messages. For years I used typing test websites. They’d tell me my speed, maybe my accuracy… and that was it. I never actually felt like my typing was getting better. At some point it clicked: most typing tools are great at measuring, but not very good at training. So I started building something for myself. The idea was simple: instead of showing random text every time, what if practice focused on the keys, words, and patterns I personally struggle with? That experiment slowly turned into TypeSpeedAI. Right now it does a few things: Tracks mistakes in real time (not just final score) Identifies weak keys and patterns Adjusts practice based on those weaknesses Has different modes depending on how you type: Clean (accuracy-focused) Standard (balanced) Programmer (code-heavy text) Shows progress over time, not just one-off tests I built this under my company Hackersway, and it’s still very much evolving. Some parts are polished, some parts are rough, and I’m actively changing things based on how people use it. I’m sharing it here because I’d genuinely like feedback from people who type a lot: Do you care more about speed or accuracy? Have you ever stuck with a typing tool long-term? What would make you actually use one daily? You can try it here: https://typespeedai.com Happy to answer questions about how it’s built, what’s working, and what’s not. Thanks for reading.

How X's "For You" feed works (from the source code)

https://growthjoy.io/x-algorithm-summary-2026
1•Biba89•1m ago•0 comments

Ask HN: What's an API that you wish existed?

1•tornikeo•2m ago•0 comments

Anatomy of CVE-2019-5736, a runc container escape

https://samuel.karp.dev/blog/2019/04/a-runc-container-escape/
1•fanf2•3m ago•0 comments

Show HN: I was burnt out, failing so I built AI that give shit about me

https://zropi.com
1•kaufy•4m ago•1 comments

London PR firm rewrites Wikipedia for governments and billionaires

https://www.thebureauinvestigates.com/stories/2026-01-14/london-pr-firm-rewrites-wikipedia-for-go...
1•giuliomagnifico•7m ago•0 comments

GitHub Game of Life

https://gh-game-of-life-vercel-deployment.vercel.app/
1•hn_ap•8m ago•0 comments

Publishing on the ATmosphere

https://tynanistyping.offprint.app/a/3mcsvjjceei23-publishing-on-the-atmosphere
1•danabramov•11m ago•0 comments

Hackable personal news reader in bash pipes

https://github.com/haron/news.sh
2•haron•15m ago•1 comments

Article 6: It's Time to Talk About Ethics in AI

https://mcauldronism.substack.com/p/article-6-its-time-to-talk-about
2•nottheg•16m ago•0 comments

When employees feel slighted, they work less

https://penntoday.upenn.edu/news/penn-wharton-when-employees-feel-slighted-they-work-less
1•consumer451•16m ago•0 comments

The JavaScript for a Patreon button is 303KB uncompressed

https://c6.patreon.com/becomePatronButton.bundle.js
1•gushogg-blake•17m ago•1 comments

Show HN: FreeAIMusicGen – AI music generator, no sign-up required

https://freeaimusicgen.online
1•nio5787•18m ago•1 comments

Metacompilation

https://www.lesswrong.com/posts/6BSZkkWNGMTdRi5Ly/metacompilation
2•Antibabelic•20m ago•0 comments

Run untrusted code in VMs on Mac/Linux – 1-2ms warm start, domain filtering

https://github.com/dualeai/exec-sandbox
2•clemlesne•20m ago•1 comments

OWASP PTK add-on for ZAP is now released

https://www.zaproxy.org/blog/2026-01-19-owasp-ptk-add-on/
1•DenisPodgurskii•22m ago•0 comments

Etsy Listing Checklist

https://spyseller.com/checklist/etsy/listing
1•criexe•23m ago•2 comments

Do marathons damage your heart? Decade-long study shows no long-term harm

https://medicalxpress.com/news/2025-12-marathons-heart-decade-term-cardiac.html
2•PaulHoule•23m ago•0 comments

A Global Explosion of Spicy Foods

https://www.bloomberg.com/news/articles/2026-01-20/spicy-foods-from-india-china-mexico-are-gettin...
1•helsinkiandrew•27m ago•1 comments

What Is CMAF Streaming and How It Compares to Others?

https://www.red5.net/blog/what-is-cmaf/
1•mondainx•28m ago•0 comments

BOHR Chain's "AI Protocol" $2M raise: technical architecture seems non-existent

1•Kangaroo_•32m ago•0 comments

Manager Is a System. They Need an API

https://reluctantleadership.substack.com/p/your-manager-is-a-system
1•oxygenfoxx•37m ago•0 comments

Gary Marcus on the Problems Facing AI and LLM Scaling [video]

https://www.youtube.com/watch?v=aI7XknJJC5Q
1•7777777phil•39m ago•0 comments

RISC-V and Post-Quantum Cryptography

https://fprox.substack.com/p/risc-v-and-post-quantum-cryptography
1•hasheddan•39m ago•0 comments

Skillware

https://github.com/ARPAHLS/skillware
1•rosspeili•40m ago•0 comments

Ask HN: What non-fiction do you read?

2•yanis_t•40m ago•1 comments

Fair is Better than Sensational:Man is to Doctor as Woman is to Doctor (2019)

https://arxiv.org/abs/1905.09866
1•bhickey•41m ago•0 comments

Scientific Insolvency in GPQA and HLE: A forensic audit reveals 58% error rate

https://zenodo.org/records/18293568
1•jopsammy•43m ago•3 comments

Running Claude Code dangerously (safely)

https://blog.emilburzo.com/2026/01/running-claude-code-dangerously-safely/
8•emilburzo•46m ago•3 comments

Calculate your reach on X/Twitter

https://allscreenshots.com/tools/x-algorithm-calculator
1•erikpau•49m ago•1 comments

Show HN: TakaTime – Self-Hosted WakaTime Alternative (Go and MongoDB)

https://github.com/Rtarun3606k/TakaTime
1•Rtarun3606k•50m ago•0 comments