浏览器在下载HTML页面中指定的资源时所使用的最大并发连接数是多少?它是否因浏览器/浏览器/连接速度而异?
答案 0 :(得分:20)
简短的回答是“每个域约4到6个连接”
有关详情,请查看这篇精彩的roundup of how many parallel connections each browser will make to a given domain
结果总结如下......
+----------------------+------------+------------+ |Browser | HTTP/1.1 | HTTP/1.0 | +----------------------+------------+------------+ |IE 6,7 | 2 ## | 4 #### | |IE 8 | 6 ###### | 6 ###### | |Firefox 2 | 2 ## | 8 ######## | |Firefox 3 | 6 ###### | 6 ###### | |Safari 3,4 | 4 #### | 4 #### | |Chrome 1,2 | 6 ###### | ? | |Chrome 3 | 4 #### | 4 #### | |Chrome 4+ | 6 ###### | ? | |iPhone 2 | 4 #### | ? | |iPhone 3 | 6 ###### | ? | |iPhone 4 | 4 #### | ? | |Opera 9.63,10.00alpha | 4 #### | 4 #### | |Opera 10.51+ | 8 ######## | ? | +----------------------+------------+------------+