In the December 2018 survey we received responses from 1,656,556,205 sites, 227,839,033 unique domains, and 8,147,795 web-facing computers. This reflects a gain of 4.37 million sites, 1.09 million domains, and 98.9k web-facing computers.
Whilst Apache's server software remains the market leader in most metrics, its share continues to erode in favour of competing products. In December 2018, Apache's flagship server product, httpd, saw a net decrease of 938k domains (-1.27% from last month), 28.6 million sites (-8.43%), and 848k active sites (-1.49%). Whilst another Apache product, known as Coyote, grew by 151k domains this month (+32.6%), the majority of the increase is attributable to parking pages, rather than sites with unique content. Apache's share of the top million sites has been falling steadily over the past few years, and is now down to 33.04%. Although it still holds the largest share, its margin is rapidly shrinking, and its dominance will likely be challenged by nginx in a year's time. Despite these losses, the number of web-facing computers running Apache software does, however, continue to grow, with an increase of 22.8k (+0.73%) this month.
nginx showed the fastest growth, having increased its domain count by 624k (+1.21%) this month. It also saw a 247k increase in active sites (+0.60%) — whereas Microsoft and Apache both saw losses — and has consistently seen large increases in its web-facing computer count. nginx has now reached 2.28 million web-facing computers, a significant 39.9% growth over the past 12 months compared to Apache's 4.98% and Microsoft's 1.93% over the same period. nginx saw two new releases in during November, fixing three CVEs, as well as introducing a few minor features and bug fixes.
Microsoft's server software holds the greatest market share when it comes to total number of sites. With over 688 million, it now has more sites than nginx (358 million) and Apache (314 million) combined, representing 41.53% of the market. This month Microsoft experienced an increase of 35.9 million sites and 246k domains. Much of the domain increase was seen at Amazon (+146k) and GoDaddy (+189k). Microsoft presently powers 9.33% of the world's top one million websites. Microsoft's top million share has seen some fluctuation over the year, with a slight decrease of 0.13pp this month, but only 0.30pp over 12 months.
Some of the large increase in overall domains this month can be seen at Cloudflare, which predominantly uses its own server software originally based on nginx. 8.20 million domains are currently served from servers identifying themselves as Cloudflare — 373k more than last month. At Google, usage of GSE (Google Servlet Engine) dropped massively from 897k domains down to 228k in favour of another google server, GHS, which is often used purely for redirects.
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