The Internet maintained a healthy growth rate in June, growing to 172,338,726 sites by the end of the month, according to Netcraft. The company reported 3.9 million new sites for the month with most of the gains going to Microsoft’s IIS software, which saw its installed base grow by more than 2 million servers in June.

Apache servers dropped once again below the 50% mark (49.12%); Apache is now estimated to be installed on 84.7 million webservers. Microsoft IIS stands at 61.0 million and a share of 35.59%, followed by Google, which is estimated at 10.5 million servers and a share of 6.07%.