0.9,zh-cn Apr 2026

In a typical web request, your browser sends a list of preferred languages. The q=0.9 (quality value) tells the server how much you prefer that specific language compared to others on a scale of 0 to 1. Accept-Language: zh-CN,en-US;q=0.9,en;q=0.8

The technical snippet most commonly refers to a weighting value (q-value) in an HTTP Accept-Language header, which browsers use to signal language preference to a server. 1. HTTP Language Negotiation 0.9,zh-CN

Beyond basic web browsing, this specific string appears in technical documentation for: In a typical web request, your browser sends

Using "Accept-Language" redirects (like detecting zh-CN ) can be tricky for . Many AI bots send a default value of en-US,en;q=0.9 , which might accidentally trigger an English version of a site even if the bot is trying to index Chinese content. In a typical web request