Hacker News Insights research
Hacker News in 2019
The strongest tracked Hacker News title themes in 2019, with annual shares and historical context.
Data through 2026-07-13

This page ranks the tracked topics by their share of retained Hacker News story titles in 2019. It is a full calendar year; topic patterns can overlap and the list is not a taxonomy of every story.
| Rank | Topic | Category | Title share |
|---|---|---|---|
| 1 | AI / LLM | AI | 1.979% |
| 2 | Startups | Meta | 1.139% |
| 3 | Security | Crypto & privacy | 1.137% |
| 4 | Bitcoin / crypto | Crypto & privacy | 0.976% |
| 5 | Python | Languages | 0.939% |
| 6 | Open source | Meta | 0.912% |
| 7 | JavaScript | Languages | 0.764% |
| 8 | Privacy | Crypto & privacy | 0.737% |
| 9 | Linux | Infra | 0.703% |
| 10 | React | Web | 0.647% |
| 11 | Kubernetes | Infra | 0.500% |
| 12 | Rust | Languages | 0.446% |
Context markers
- 2019-02 — GPT-2: OpenAI announces GPT-2 2019-02 ('too dangerous to release').
Method
Every percentage uses that year's retained story-title count as its denominator. Visit the Attention Lab for 2019 or read the methodology.