Week starting 28 September 2009
Rank by Speed (seconds)   Rank by Success Rate (percentage)
Rank Target Response Time (seconds) Rank Last Week   Rank Target Success rate (%) Outage Hours Rank Last Week
 1 Facebook 0.47  1    1 Blogger 99.90 0  1
 2 Ning 0.63  2    1 MSN Spaces 99.90 0  12
 3 Plaxo 0.70  3    1 Plaxo 99.90 0  8
 4 Windows Live Spaces 0.83  4    1 StumbleUpon 99.90 0  8
 5 MSN Spaces 0.85  5    1 Windows Live Spaces 99.90 0  1
 6 Delicious 1.00  6    6 LinkedIn 99.80 0  1
 7 LinkedIn 1.12  7    6 Ning 99.80 0  1
 8 Yahoo Groups 1.21  8    6 YouTube 99.80 0  1
 9 Blogger 1.22  9    9 Classmates 99.70 0  8
  Social Networking Index 1.37      10 Bebo 99.60 0  12
 10 MyYearbook 1.37  9    10 MyYearbook 99.60 0  1
 11 Classmates 1.42  12    10 Yahoo Groups 99.60 0  8
 12 YouTube 1.43  11     Social Networking Index 99.57 0  
 13 Twitter 1.62  13    13 MySpace 99.50 0  12
 14 Bebo 2.00  15    14 Delicious 99.40 0  1
 15 MySpace 2.11  17    15 Tagged 99.30 0  17
 16 Tagged 2.14  14    16 Flixster 99.10 0  19
 17 Flixster 2.71  16    17 Digg 99.00 0  12
 18 StumbleUpon 2.94  18    17 Facebook 99.00 0  17
 19 Digg 4.18  19    17 Twitter 99.00 0  16