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
1,684 1,438 48% 24% 14% 14% 393 96% 1% 2% 1%
- Simulation Users 5
4 0 0% 0% 0% 0% 0 0% 0% 0% 0%
- Interactive Users 6
512 499 58% 16% 12% 16% 79 99% 0% 1% 0%
- Download Users 7
1,278 1,254 50% 22% 13% 16% 42 98% 0% 2% 0%
Table 2: Simulation Usage
Simulation Users 5 4 users
Simulation Runs 16 jobs
Total CPU Time 0 seconds  
Total Wall Time 271 days  
Total Interaction Time 1 days  
Users with > 10 mins of CPU Time 0 users  
Avg. Number of Simulation Runs/User 4 jobs  
Avg. Time between First and Last Simulation 152 days  
Repeat Users with > 10 Simulation Jobs 0 users  
Repeat Users with > 3 Months 9 3 users  
Table 3: Miscellaneous Statistics
Domains Served 1,879
Cummulative Interactive User Sessions 10 2,113
Cummulative Session Time 118 days
Visitors 11 9,335
Visits 12 23,031
New Accounts 234
Max User Logins 33 users on 2011-08-01
Web Server Hits 1,042,378
Table 4: User statistics by registered/unregistered
Users Totals Residence Organization
Identified US Asia Europe Other Identified Edu. Ind. Gov. Other
Total Users 1
1,684 1,438 48% 24% 14% 14% 393 96% 1% 2% 1%
- Registered Users 2
250 40 90% 0% 0% 10% 207 97% 1% 0% 1%
- Unregistered Interactive Users 3
300 287 44% 26% 18% 12% 44 100% 0% 0% 0%
- Unregistered Download Users 4
1,134 1,111 47% 24% 14% 15% 142 94% 1% 5% 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.