Depends on your audience, really. Have you looked at your logs/analytics data to see what the majority of users are hitting your pages with? You will need that piece of data to answer your own question well.
Having said that: with FF4 out now, I think it is safe to support 3.6 and above only.
The Mozilla community tends to take the upgrade path quicker than most.
Personally, I would only support 3 and up. I have very little tolerance for those still on old systems and would only provide full browser support for things like a banking website that EVERYONE needs access to. Otherwise, I would try to wean users off older browsers.
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真的取决于你的观众。您是否查看过日志/分析数据以了解大多数用户使用哪些内容访问您的页面？您将需要该数据来很好地回答您自己的问题。
话虽如此：现在FF4已经出来了，我认为只支持3.6及以上版本是安全的。
Mozilla 社区倾向于比大多数社区更快地采取升级路径。
Depends on your audience, really. Have you looked at your logs/analytics data to see what the majority of users are hitting your pages with? You will need that piece of data to answer your own question well.
Having said that: with FF4 out now, I think it is safe to support 3.6 and above only.
The Mozilla community tends to take the upgrade path quicker than most.
这取决于您的受众，但通常人们都会将非 IE 浏览器保持在最新状态。
所以大多数人至少会使用 Firefox 3.5。很少有人会使用2。
It depends on your audience, but generally people keep non-IE browsers up to date.
So most people will be on at least Firefox 3.5. Very few will be using 2.
以下是 Firefox 版本使用统计信息：
http://www.w3schools.com/browsers/browsers_firefox.asp< /a>
Here are Firefox version usage stats:
http://www.w3schools.com/browsers/browsers_firefox.asp
就我个人而言，我只支持3个及以上。我对那些仍然使用旧系统的人几乎没有容忍度，并且只会为每个人都需要访问的银行网站之类的东西提供完整的浏览器支持。否则，我会尝试让用户摆脱旧版浏览器。
Personally, I would only support 3 and up. I have very little tolerance for those still on old systems and would only provide full browser support for things like a banking website that EVERYONE needs access to. Otherwise, I would try to wean users off older browsers.