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In the December 2021 survey we received responses from 1,168,864,866 sites across 268,328,184 unique domains and 11,669,818 web-facing computers. This represents a loss of 6.53 million sites, but a gain of 1.30 million domains and 144,000 computers.
nginx lost a significant number of sites (-23.88 million) and domains (-8.54 million) this month, though it continues to hold the highest market share in both categories with 32.9% of sites and 26.7% of domains. nginx’s domain market share lead over Apache dropped significantly, falling from a 5.6 percentage point lead to a 2.6 percentage point lead. nginx also gained 81,100 web-facing computers this month, giving it 37.5% of market share in this category.
Apache also lost sites (-3.09 million) and domains (-446,000) this month, though it gained 5,700 web-facing computers. Apache continues to hold second place across all three key metrics.
The largest increase in both domains and hostnames was seen for “awselb”, used by Amazon’s Elastic Load Balancing service, and accounts for the majority of the loss experienced by nginx. The change was as a result of GoDaddy’s URL redirector service, which allows domains registered with GoDaddy to be pointed at arbitrary URLs, being moved from their own hosting facilities to Amazon’s ELB service.
Many other web servers also saw reasonable growth in the number of sites this month, with OpenResty and Microsoft gaining 2.42 million and 2.15 million respectively, followed by LiteSpeed and Cloudflare with 1.76 million and 1.28 million. Fewer servers gained domains this month, though OpenResty gained a respectable 850,500 (+2.19%).
Cloudflare gained 2,431 sites in the million most popular sites, increasing its market share by 0.24 percentage points to 18.6%. Apache continues to maintain a slim lead over nginx, though both lost sites this month. Microsoft’s market share dropped, as it lost 4,119 sites this month taking it to 6.15% of the total and down from 6.89% at the start of the year.
Log4Shell impact on web servers
A critical vulnerability dubbed “Log4Shell” was identified in the Java log4j logging library, and was publicly disclosed on 9th December. The vulnerability has impacted a broad range of organizations as the log4j
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Read the original article: December 2021 Web Server Survey