Usage: Overview
| Users | Totals | Residence | Organization | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Identified | US | Asia | Europe | Other | Identified | Edu. | Ind. | Gov. | Other | |||
| Total Users 1 | 29,965 | 23,330 | 38% | 34% | 14% | 14% | 1,902 | 88% | 8% | 3% | 1% | |
| - Simulation Users 5 | 18 | 15 | 47% | 33% | 13% | 7% | 9 | 78% | 22% | 0% | 0% | |
| - Interactive Users 6 | 2,567 | 2,056 | 68% | 19% | 8% | 6% | 317 | 95% | 3% | 2% | 0% | |
| - Download Users 7 | 28,251 | 21,928 | 37% | 34% | 15% | 14% | 252 | 95% | 3% | 2% | 0% | |
| Simulation Users 5 | 18 users | |
|---|---|---|
| Simulation Runs | 48 jobs | |
| Total CPU Time | 17 minutes | |
| Total Wall Time | 4 hours | |
| Total Interaction Time | 3 hours | |
| Users with > 10 mins of CPU Time | 0 users | |
| Avg. Number of Simulation Runs/User | 3 jobs | |
| Avg. Time between First and Last Simulation | 192 days | |
| Repeat Users with > 10 Simulation Jobs | 1 users | |
| Repeat Users with > 3 Months 9 | 3 users |
| Domains Served | 5,431 |
|---|---|
| Cummulative Interactive User Sessions 10 | 15,735 |
| Cummulative Session Time | 1,728 days |
| Visitors 11 | 59,659 |
| Visits 12 | 148,680 |
| New Accounts | 717 |
| Max User Logins | 136 users on 2013-04-18 |
| Web Server Hits | 5,340,153 |
| Users | Totals | Residence | Organization | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Identified | US | Asia | Europe | Other | Identified | Edu. | Ind. | Gov. | Other | |||
| Total Users 1 | 29,965 | 23,330 | 38% | 34% | 14% | 14% | 1,902 | 88% | 8% | 3% | 1% | |
| - Registered Users 2 | 869 | 797 | 92% | 5% | 1% | 2% | 640 | 83% | 13% | 1% | 3% | |
| - Unregistered Interactive Users 3 | 1,654 | 1,288 | 52% | 28% | 12% | 9% | 163 | 98% | 1% | 1% | 0% | |
| - Unregistered Download Users 4 | 27,442 | 21,245 | 35% | 35% | 15% | 14% | 1,099 | 89% | 6% | 5% | 0% | |
- Sum of Registered Users2, Unregistered Interactive Users3 and Unregistered Download Users4
- Number of Users that logged in. User registration assigns a unique login to each individual user.
- 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.
- 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.
- Number of Registered Users2 that ran one or more simulation runs.
- All Unregistered Users, identified by unique hosts/IPs, that had an active Session 10. Does not include known web bots/crawlers.
- 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.
- Sum of Simulation Users 5 + Unregistered Interactive Users 3 including web bots/crawlers.
- Number of Simulation users that returned after a gap of 3 months.
- 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.
- Identified by a unique IP address / hostname.
- 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 - Number of Simulation sessions that were shared between 2 or more users.








