State of the Blogosphere October 2005

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State of the BlogosphereOctober 2005

• David L. Sifry
• CEO, Technorati Inc.
• dave_at_technorati.com

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Weblogs CumulativeMarch 2003 - June 2005
Doubling
18.9 Million Weblogs Tracked Doubling in size
approx. every 5 months Consistent doubling over
the last 36 months
Doubling
Doubling
Doubling
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New Blogs per Day

• As of Oct 2005 over 70,000 blogs were created
  daily.
• A new weblog is created about every second.
• Recent Spikes are partly due to increase in
  Chinese Blogs
• - 55 of new bloggers are still posting 3 months
  later.
• 13 of all blogs update weekly (or more).
• About 2 - 8 of new blogs are spam (red spikes)

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Daily Posting Volume
Katrina
1.2 Million legitimate Posts/Day Spam posts
marked in red On average, additional 5.8 are
spam posts Some spam spikes as high as 18
London Bombings
Justice OConnor Live 8 Concerts
Deepthroat Revealed
Kryptonite Lock Controversy
Newsweek Koran
Schiavo Dies
US Election Day
Superbowl
Indian Ocean Tsunami
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Blue Mainstream Media
Red Blog
Challenge Fight, or Embrace?
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Blogosphere Breaks Out

• Early Adopters Newsweek and Salon.com
• Announcing today
• Washington Post
• International Herald Tribune
• The Atlantic Monthly
• Der Spiegel

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Almost a third of blog posts use tags or
categories Over 25 Million, growing at about
400k/day
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(No Transcript)
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More than Search

• Its about exposing Community
• and adding Context

To help us make sense of the onrush!
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Blog Finder

• Launched September 1
• Lets the Community tag their blogs
• Over 720,000 blogs in 1 month
• The Worlds Largest Blog Directory
• Find interesting blogs on a topic
• Launching today
• Use Authoritative bloggers to scope your search
• adds context, timeliness, and relevance to your
  queries