# Contrails Map

6 Hacker News commenters recommended Contrails Map and 0 criticized it, November 2025 to November 2026. It was recommended in 2 of 13 months.

**Verdict:** Recommended for clear explanations of contrail formation and interactive tools. Critics report slow performance and crashes in Android Chrome.

## Why people recommend it

- Clear explanation of contrail formation (2 comments): "The guide presented by the map gives a very good explanation on how contrail formation can be mitigating" ([source](https://news.ycombinator.com/item?id=46336069)) "do a great job of explaining this and have some solid interactive tools" ([source](https://news.ycombinator.com/item?id=49056063))
- Strong interactive visualisations and tools (2 comments): "do a great job of explaining this and have some solid interactive tools" ([source](https://news.ycombinator.com/item?id=49056063)) "Amazing visualisation, an excellent tool." ([source](https://news.ycombinator.com/item?id=46334524))

## What people warn about

- Runs at one frame per second (1 comments): "the thing ran at one frame per second and I was not able to use it" ([source](https://news.ycombinator.com/item?id=46336282))
- Crashes Chrome on Android phones (1 comments): "It literally (and repeatably) crashes Chrome on my android phone" ([source](https://news.ycombinator.com/item?id=46336371))

## Alternatives hackers recommend

- [isometric.nyc](https://hackerapproved.com/p/isometric-nyc.md): 52 recommend
- [Map of Metal](https://hackerapproved.com/p/map-of-metal.md): 34 recommend
- [CheapFoodMap](https://hackerapproved.com/p/cheapfoodmap.md): 29 recommend
- [Isopolis](https://hackerapproved.com/p/isopolis.md): 27 recommend
- [Shipmap.org](https://hackerapproved.com/p/shipmap-org.md): 23 recommend

## Cite as

Hacker Approved, "Contrails Map", https://hackerapproved.com/p/contrails-map/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).