Web Server 佔有率

Netcraft 報導了這個月的 Web Server 的佔有率改變的現象：May 2006 Web Server Survey。

關於 Godaddy 惡搞的前情題要部分請參考 ijliao 這篇 OpenSourceParking，有比較完整的說明。簡單來說就是 Godaddy 把所有 Hosting 都從 Apache 換成 Windows 2003 Server，造成 Netcraft 上統計出來的� ��字大地震，造成 Apache 佔有率下滑 5.7%。

而這個月，Netcraft 修正了 Redirect 的問題，使得本來會被認為 “Other” 的 Web Server 能夠正確判斷出來，使得 Apache 又回升 2%：

This month 1.7 million hostnames at Go Daddy that were classified as “Other” in April are recognized as Apache sites running on Linux. Large blocks of Apache sites at Go Daddy have shifted back and forth between Apache and Other since January , due to changes in its bulk hosting service. It uses a front-end system that generates an HTTP redirect with no Server header when a site is first accessed - only once the redirect is followed, or if the site is accessed a second time, does it identify Apache as the server.

The latest shift helps Apache regain 2% market share after a drop of 5.7% last month, when Go Daddy shifted more than 4 million hostnames from Apache to Windows Server 2003. Apache’s improvement this month has no effect on Go Daddy’s continued hosting of parked domains on Windows Server 2003, which gains 143K hostnames at Go Daddy this month.

不過這樣寫看不太懂啊，到底 Godaddy 還有多少 Apache 在跑？以及 Godaddy 的 Policy…