Support

Support Options

Submit a Support Ticket

 
You are here: Home » Usage » Overview » By Month

Usage: Overview

Table 1: User statistics
Users Totals Residence Organization
Identified US Asia Europe Other Identified Edu. Ind. Gov. Other
Total Users 1
13,530 7,032 35% 28% 14% 17% 761 93% 3% 4% 0%
- Simulation Users 5
252 243 63% 14% 11% 12% 34 82% 18% 0% 0%
- Interactive Users 6
2,428 1,356 46% 29% 13% 11% 310 96% 0% 4% 0%
- Download Users 7
11,922 6,424 38% 26% 14% 16% 328 95% 0% 5% 0%
Table 2: Simulation Usage
Simulation Users 5 252 users
Simulation Runs 5,478 jobs
Total CPU Time 19 days  
Total Wall Time 357 days  
Total Interaction Time 42 days  
Users with > 10 mins of CPU Time 21 users  
Avg. Number of Simulation Runs/User 22 jobs  
Avg. Time between First and Last Simulation 221 days  
Repeat Users with > 10 Simulation Jobs 37 users  
Repeat Users with > 3 Months 9 100 users  
Table 3: Miscellaneous Statistics
Domains Served 4,209
Cumulative Interactive User Sessions 10 7,236
Cumulative Session Time 244 days
Visitors 11 46,712
Visits 12 81,318
New Accounts 180
Max User Logins 86 users on 2014-03-03
Web Server Hits 2,673,309
Table 4: User statistics by registered/unregistered
Users Totals Residence Organization
Identified US Asia Europe Other Identified Edu. Ind. Gov. Other
Total Users 1
13,530 7,032 35% 28% 14% 17% 761 93% 3% 4% 0%
- Registered Users 2
535 533 66% 14% 10% 10% 87 82% 13% 5% 1%
- Unregistered Interactive Users 3
1,860 825 27% 39% 17% 14% 89 93% 0% 7% 0%
- Unregistered Download Users 4
11,135 5,674 33% 28% 15% 18% 585 94% 2% 4% 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.