Netcraft's September Web Server Survey results are out.
According to the report, Apache grew in share by 1.43% and Linux,
which continues to displace proprietary Unix and, to a lesser
degree, the BSD family, grew by 1%. Interesting statistics and
insight to be found regarding the post-CodeRed Web as well.
"Microsoft Windows has a significantly higher share of
the web when one counts by computer, rather than by host, as in the
conventional Web Server Survey. The survey shows 49.6% of the
computers running the web are Windows based. As some of the 3% of
computers not identified by the Netcraft operating system detector
will in reality be Windows systems, despite some uncertainty due to
the survey's error margins, it would be fair to say half of public
Web Servers world-wide are run on Microsoft operating systems.
Although Apache runs more sites than Windows, Apache is heavily
deployed at hosting companies and ISPs who strive to run as many
sites as possible on a single computer to save costs. Windows is
most popular with end-user and self hosted sites, where the host to
computer ratio is much smaller.
Linux is the second most commonly used operating system. Linux
has been consistently gaining share since our analysis started, but
interestingly not significantly to Windows detriment. Operating
systems which have lost share have been Solaris and other
proprietary operating systems, and to a smaller degree BSD
Compared to the previous quarter's results, Linux has gained 1%
and Windows 0.3%, at the cost of the other operating systems. In
fact the 0.3% Windows gain is largely a technical improvement, due
to Unknown dropping 0.6% because of improvements in Netcraft
operating system detection. The trend is of Linux steadily
increasing, Windows maintaining a large share, and the others
slowly losing share."
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