- cross-posted to:
- hackernews
- cross-posted to:
- hackernews
IP tells you where the request comes from, that’s it. It doesn’t tell you what language the user speaks. It looks like Google thinks otherwise, and many programmers are blindly repeating it for Google with no idea how do it properly.
Did you read the post? The author was complaining about websites who use just the IP instead of the header.