Support

Support Options

Submit a Support Ticket

 
You are here: Usage › Overview › Prior 12 Months

Usage: Overview

Table 1: User statistics
Users Totals Residence Organization
Identified US Asia Europe Other Identified Edu. Ind. Gov. Other
Total Users 1
689 324 40% 23% 25% 13% 196 97% 1% 1% 1%
- Simulation Users 5
128 0 0% 0% 0% 0% 127 97% 0% 2% 2%
- Interactive Users 6
484 378 53% 15% 20% 11% 81 99% 0% 1% 0%
- Download Users 7
134 93 73% 22% 5% 3% 24 100% 0% 0% 0%
Table 2: Simulation Usage
Simulation Users 5 128 users
Simulation Runs 1,239,795 jobs
Total CPU Time 135 days  
Total Wall Time 4,641 days  
Total Interaction Time 837 days  
Users with > 10 mins of CPU Time 67 users  
Avg. Number of Simulation Runs/User 9,686 jobs  
Avg. Time between First and Last Simulation 160 days  
Repeat Users with > 10 Simulation Jobs 67 users  
Repeat Users with > 3 Months 9 60 users  
Table 3: Miscellaneous Statistics
Domains Served 1,189
Cummulative Interactive User Sessions 10 6,706
Cummulative Session Time 1,057 days
Visitors 11 6,958
Visits 12 24,882
New Accounts 163
Max User Logins 23 users on 2013-02-20
Web Server Hits 2,150,132
Table 4: User statistics by registered/unregistered
Users Totals Residence Organization
Identified US Asia Europe Other Identified Edu. Ind. Gov. Other
Total Users 1
689 324 40% 23% 25% 13% 196 97% 1% 1% 1%
- Registered Users 2
259 0 0% 0% 0% 0% 154 97% 1% 1% 1%
- Unregistered Interactive Users 3
348 266 35% 21% 28% 15% 37 97% 3% 0% 0%
- Unregistered Download Users 4
82 58 60% 33% 9% 3% 5 100% 0% 0% 0%
  1. Sum of Registered Users2, Unregistered Interactive Users3 and Unregistered Download Users4
  2. Number of Users that logged in. User registration assigns a unique login to each individual user.
  3. Number of Unregistered Users, identified by unique hosts/IPs, that had an active Session 10 without logging in. Does not include known web bots/crawlers.
  4. Number of Unregistered users, identified by unique hosts/IPs, that had an active session of less than 15 minutes without logging in and downloaded a non-interactive resource such as PDF or podcast. Does not include web bots/crawlers.
  5. Number of Registered Users2 that ran one or more simulation runs.
  6. All Unregistered Users, identified by unique hosts/IPs, that had an active Session 10. Does not include known web bots/crawlers.
  7. All Unregistered users, identified by unique hosts/IPs that downloaded a non-interactive resource such as PDF or podcast. Does not include known web bots/crawlers.
  8. Sum of Simulation Users 5 + Unregistered Interactive Users 3 including web bots/crawlers.
  9. Number of Simulation users that returned after a gap of 3 months.
  10. Begins when an IP is active on the site for at least 15 minutes. Ends when inactive for more than 30 minutes, including time spent viewing videos.
  11. Identified by a unique IP address / hostname.
  12. Based on MIT OCW metric of Visits: A visit is activity by a unique visitor delimitated by a 30 minute absence from the site on either side of the activity.
    These visits correspond to unique visitors 11. Does not include known web bots/crawlers
  13. Number of Simulation sessions that were shared between 2 or more users.