# Seeing Theory Hacker Approved page: https://hackerapproved.com/p/seeing-theory/ 5 people recommended Seeing Theory in Hacker News comments and 1 criticized it, November 2025 to October 2026. It was recommended in 3 of 12 months, in 4 threads. It does not meet the Hacker Approved badge rule. **Verdict:** A free, animated and interactive site that teaches probability and statistics visually, admired for its design. The most common caveat is that it hijacks scrolling and back-button navigation. Summary written by Claude from 3 comments. ## Why people recommend it - Visual, animated, interactive design (1 comment in the sample): "S-TIER blogs are those that are animated, visual, interactive and absolutely blow your mind off" ([source](https://news.ycombinator.com/item?id=47304459)) - Wanted more resources like it (1 comment in the sample): "more resources like seeing-theory would be great" ([source](https://news.ycombinator.com/item?id=49583759)) ## What people warn about - Hijacks scrolling and back button (1 comment in the sample): "hijack scrolling, the back button and navigation history" ([source](https://news.ycombinator.com/item?id=47306872)) ## Other online courses people recommend - [Nand2Tetris](https://hackerapproved.com/p/nand2tetris/): 26 recommend, 2 mixed, 3 criticize - [Math Academy](https://hackerapproved.com/p/math-academy/): 25 recommend, 8 mixed, 1 criticize - [Neural Networks: Zero to Hero by Andrej Karpathy](https://hackerapproved.com/p/neural-networks-zero-to-hero/): 25 recommend, 2 mixed, 1 criticize - [CS336: Language Modeling from Scratch](https://hackerapproved.com/p/cs336-language-modeling-from-scratch/): 11 recommend, 1 mixed, 0 criticize ## The badge A product earns the Hacker Approved badge when at least 10 people recommend it, recommenders outnumber critics at least 2 to 1 (mixed feelings count toward neither side), it was recommended in at least 4 of the 12 months and in at least 5 different threads, and no single thread supplies more than half of the people who recommend it. Health and money products are never badged. ## Cite as Hacker Approved, "Seeing Theory", https://hackerapproved.com/p/seeing-theory/ (5 recommend, 0 mixed, 1 criticize; Hacker News comments, November 2025 to October 2026). Counts updated 2 Nov 2026, with data through October 31, 2026.