STATISTICA.IT

Dal sito teachreaders.com un articolo con i principali indicatori sull’utilizzo di internet nel 2009.

Email

• 90 trillion – Emails sent On the Internet in the year 2009
• 247 billion – Average number of email/day.
• 1.4 billion – Email users worldwide.
• 100 million – Number of email users added to previous year.
• 81% – Spam emails.
• 92% – Peak spam levels late in 2009.
• 24% – Increase in spam since 2009.
• 200 billion – Spam emails/day (assuming 81% Spam).

Websites

• 234 million –Number of websites as of December 2009.
• 47 million – Added websites in 2009.

Web Servers

• 13.9% – The growth of Apache websites in 2009.
• -22.1% – The growth of IIS websites in 2009.
• 35.0% – The growth of Google GFE websites in 2009.
• 384.4% – The growth of Nginx websites in 2009.
• -72.4% – The growth of Lighttpd websites in 2009.

Domain Names at the end of 2009

• .COM Domains: 81.8 million
• .Net Domains: 12.3 million
• .ORG Domains: 7.8 million
• Country Code Top-Level Domains i.e. .PK, .UK, .DE, .IN: 76.3 million
• All Top-Level Domains as of Oct. 2009: 187 million
• Increase in Domain Names: 8%

Internet Users

• Worldwide Internet Users as on Sept. 2009: 1,73 billion
• Increase in Internet Users since Previous Year: 18%

Continent-wise Internet Users

• Asia: 738,257,230 Users
• Europe: 418,029,796 Users
• North America: 252,908,000 Users
• Latin America / Caribbean: 179,031,479 Users
• Africa: 67,371,700 Users
• Middle East: 57,425,046 Users
• Oceania / Australia: 20,970,490 Users

Social Media

• Number of Blogs: 126 million
• Social Network Websites (more women than men): 84%
• Numbers of Tweets on Twitter/Day as of Nov. 2009: 27.3 million
• Twitter Users in USA: 50%
• Facebook Users: 350 million
• Number of Facebook Login Everyday: 50% (175 Million)
• Active Facebook Apps: 500,000

Images

• Images Hosted on Flickr as of Oct. 2009: 4 billion
• Images Uploaded each Month on Facebook: 2.5 billion
• Number of Images Uploaded on Facebook/Year: 30 billion

Videos

• Videos on Youtube: 1 billion
• Videos viewed per month as of Nov. 2009: 12.2 billion
• Videos viewed/ month on Hulu in US as of Nov. 2009: 924 million
• Average Video/Internet User in a month: 182 (USA)
• Internet Users Who View Online Videos: 82% (USA)
• Youtube Online Video Market Share (USA): 39.4%
• Youtube Videos on Blogs: 81.9%

Malicious Software

• Number of Zombie Computers Created per Day: 148,000
• Malicious Code Threats (viruses, Trojans, etc.) at the Start of 2009: 2.6 million
• Malicious Code Signatures Added by Symantec in Fourth Quarter of 2009: 921,143

Data sources: Website and web server stats from Netcraft. Domain name stats from Verisign andWebhosting.info. Internet user stats from Internet World Stats. Web browser stats from Net Applications. Email stats from Radicati Group. Spam stats from McAfee. Malware stats from Symantec(and here) and McAfee. Online video stats from Comscore and YouTube. Photo stats from Flickr andFacebook. Social media stats from BlogPulse, Pingdom (here and here), Twittercounter, Facebook,Sysomos and GigaOm.