December 2006 Web Server Survey

In the December 2006 survey we received responses from 105,244,649 sites, an increase of 3.8 million hostnames from last month, when the survey topped 100 million sites for the first time. The increase brings the Web's total growth for 2006 to 30.9 million sites, shattering the previous one-year record gain of 17.5 million sites from 2005.

In percentage terms, the Web grew by 41.5 percent this year. That's a significant gain, but still trails the record performance from 2000, when the explosive growth of the dot-com boom took the survey from 10 million to nearly 26 million sites, a one-year increase of 160 percent.

There was a split in this month's trends for web server market share, as Apache gained ground in hostnames (+0.32 percent top 50.6 percent share) while losing share in active sites, slipping 0.84 percent to fall below 60 percent share. Apache still holds a commanding lead in both metrics.

Total Sites Across All Domains August 1995 - December 2006

Total Sites Across All Domains, August 1995 - December 2006

Graph of market share for top servers across all domains, August 1995 - December 2006

Top Developers
DeveloperNovember 2006PercentDecember 2006PercentChange

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CrystalTech hit By Cyber Monday DDoS

Cyber Monday was a busy day for cybervandals as well as online retailers. A distributed denial of service attack (DDoS) Monday morning caused more than four hours of downtime for customers of CrystalTech, a business hosting provider in Phoenix, Ariz. that hosts 91,000 web sites.

The DDoS featured more than 5,000 machines attacking CrystalTech's DNS servers, flooding the company's network. "This was not just a simple DDOS," Bob Cichon, the President and Chief Operating Officer of CrystalTech, said in a posting on the customer forum. We get those all the time and no one sees it, since our team and equipment handle it very well. This was a very well planned and professional DNS DDOS." The impact of the attack can be clearly seen in our performance chart for CrystalTech:


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Outages for MediaTemple Grid Hosting Service

Customers of MediaTemple's GridServer, which received widespread attention upon its debut last month, experienced significant downtime Tuesday. GridServer is among the many cluster-based grid hosting services, offering the promise of enterprise-level reliability and scalability in an affordable web hosting plan.

GridServer got a big boost when its launch was featured on TechCrunch, a leading technology blog. On Tuesday, bloggers who were among the early adopters to GridServer were airing their grievances as their sites were slowed by performance problems. MediaTemple provided regular updates on its efforts to stabilize the system, citing bugs in a third-party storage system as the cause for the outages and sluggishness. The performance problems began at 10 a.m. Pacific time and continued past 5 p.m. for some customers.

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Amazon’s Alexa Hit By Performance Problems

Alexa, the search portal operated by, is experiencing significant performance problems today, with outages and delays seen from all of our monitoring points. In addition to basic search, Alexa provides data on the popularity of web sites visited by users of its toolbar (Note: Netcraft provides a similar service).

The performance issues for Alexa come as Amazon is pursuing an aggressive expansion into the utility hosting business, leasing its infrastructure to third-parties to provide scalable storage and hosting. Amazon's hosting initiative received considerable media coverage tied to CEO Jeff Bezos' presentation at last week's Web 2.0 conference.


A dynamically updating chart of the performance of is available. Netcraft offers a web site performance monitoring service that provides detailed uptime charts, along with e-mail alerts when an outage occurs.

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October Phishing Site Competition Winners

Netcraft's October phishing site competition saw many internet users continuing to battle it out to gain a top spot in our phishing site reporters list.

During October, alert members of the Netcraft Toolbar community discovered a clever attack against the popular social networking site MySpace. Other users of the Netcraft Toolbar were promptly protected against this convincing attack, which used MySpace's own servers to present a spoof login form.

To show our appreciation to the community, Netcraft will be sending a top of the range "Thanks for all the Phish" commemorative iPod to the five people who reported the largest number of phishing reports accepted during October.

The winners are: Les, Cori, Robb, DavidCh and Leo. Many thanks for your efforts! Each phishing site that is reported vastly reduces the number of victims falling prey to fraudulent activity on the Web. Netcraft has now received, reviewed and blocked 275,000 unique URLs reported to us as phishing sites.

The Netcraft Toolbar, which is available for both Internet Explorer and Firefox, serves as a giant neighborhood watch scheme for the Internet: members who encounter a phishing fraud can act to defend the larger community of users against the attack. Once the first recipients of a phishing mail have reported the target URL, it is blocked for toolbar users who subsequently access the URL and widely disseminated attacks simply mean that the phishing attack will be reported and blocked sooner.

In recent reviews Ziff-Davis comments "In testing on live phishing sites, IE 7 RC1 failed to identify as many phishing sites as Netcraft's free IE toolbar. " while the Washington Post remarked "I've visited countless phishing sites in the past few months, and Netcraft's toolbar has done its job almost unfailingly."

Lieberman Web Site Faces Election Day Test

As U.S. voters go to the polls for a mid-term election likely to decide control of both houses of Congress, analysts say voter turnout will be a critical factor. Political web sites are key tools in this effort - provided they can stay online.

Hosting uptime became a contentious issue in Connecticut's primary election in August, as the campaign web site for veteran Sen. Joseph Lieberman was completely unavailable on election day. Lieberman, the Democrats' 2000 vice presidential candidate, was defeated by challenger Ned Lamont. Afterward, Lieberman's campaign manager blamed the Lamont camp for the outage, alleging "coordinated efforts to disable our Web site." Other analysts said the Lieberman campaign had likely exceeded the bandwidth allotment on its shared hosting account at

Lieberman is back, running as an independent, and has a new web host as well. The site is now hosted by, and is performing well through midday: web site performance

A dynamically updating chart of the performance of is available. Netcraft offers a web site performance monitoring service that provides detailed uptime charts, along with e-mail alerts when an outage occurs.

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