# Can I Use

5 Hacker News commenters recommended Can I Use and 3 criticized it, November 2025 to November 2026. It was recommended in 4 of 13 months.

**Verdict:** People use it to check whether a web feature, CSS property or JavaScript API is supported across browsers, with green boxes marking current support. Critics say its percentage figures can be misleading.

## Why people recommend it

- Shows feature support across browsers (2 comments): "There's this really cool site where you can see how well supported a feature is" ([source](https://news.ycombinator.com/item?id=46156615)) "Look at caniuse, if you see green boxes on all the current version browsers." ([source](https://news.ycombinator.com/item?id=47897480))

## What people warn about

- Percentage figures can mislead (1 comments): "The percentage in caniuse means nothing." ([source](https://news.ycombinator.com/item?id=48817376))

## Alternatives hackers recommend

- [Stack Overflow](https://hackerapproved.com/p/stack-overflow.md): 235 recommend
- [MDN Web Docs](https://hackerapproved.com/p/mdn-web-docs.md): 27 recommend
- [HTTP Cats](https://hackerapproved.com/p/http-cats.md): 20 recommend
- [Unicode symbol reference page](https://hackerapproved.com/p/one-clean-developer-focused-page-for-every-unicode-symbol.md): 8 recommend
- [Ralf Brown's Interrupt List](https://hackerapproved.com/p/ralf-brown-s-interrupt-list.md): 5 recommend

## Where to get it

- [Visit the official site](https://caniuse.com/)

## Cite as

Hacker Approved, "Can I Use", https://hackerapproved.com/p/can-i-use/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).