Support

Trouble Report

For immediate assistance browse through our support center. You can find answers to many questions in just a few minutes.

If still experiencing problems, send us a report.

required
Why the math question?
 

Usage: Overview

Table 1: User statistics
Users Totals Residence Organization
Identified US Asia Europe Other Identified Edu. Ind. Gov. Other
Total Users 1
715 648 44% 25% 23% 7% 222 67% 4% 6% 23%
- Simulation Users 5
19 1 100% 0% 0% 0% 11 73% 0% 9% 18%
- Interactive Users 6
281 278 68% 15% 12% 5% 111 93% 0% 7% 0%
- Download Users 7
602 598 52% 21% 21% 6% 217 90% 3% 7% 0%
Table 2: Miscellaneous Statistics
Domains Served 676
Cummulative Interactive User Sessions 10 703
Cummulative Session Time 27 days
Visitors 11 2,701
Visits 12 6,354
New Accounts 86
Max User Logins 12 users on 2009-10-09
Web Server Hits 295,355
Table 3: User statistics by registered/unregistered
Users Totals Residence Organization
Identified US Asia Europe Other Identified Edu. Ind. Gov. Other
Total Users 1
715 648 44% 25% 23% 7% 222 67% 4% 6% 23%
- Registered Users 2
67 3 100% 0% 0% 0% 55 0% 4% 4% 93%
- Unregistered Interactive Users 3
185 184 54% 22% 17% 7% 48 94% 0% 6% 0%
- Unregistered Download Users 4
463 461 40% 26% 26% 8% 119 87% 5% 8% 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. Based on MIT OCW metric of Visitors: Visitors are identified as Unique IP addresses
  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.