Usage: Overview
| Users | Totals | Residence | Organization | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Identified | US | Asia | Europe | Other | Identified | Edu. | Ind. | Gov. | Other | |||
| Total Users 1 | 7,918 | 4,160 | 42% | 22% | 16% | 18% | 679 | 94% | 2% | 4% | 0% | |
| - Simulation Users 5 | 220 | 218 | 77% | 7% | 10% | 6% | 36 | 89% | 6% | 6% | 0% | |
| - Interactive Users 6 | 1,574 | 1,043 | 64% | 16% | 9% | 10% | 364 | 98% | 0% | 2% | 0% | |
| - Download Users 7 | 6,939 | 3,529 | 40% | 23% | 15% | 19% | 296 | 97% | 0% | 2% | 0% | |
| Simulation Users 5 | 220 users | |
|---|---|---|
| Simulation Runs | 2,245 jobs | |
| Total CPU Time | 5 days | |
| Total Wall Time | 244 days | |
| Total Interaction Time | 35 days | |
| Users with > 10 mins of CPU Time | 22 users | |
| Avg. Number of Simulation Runs/User | 10 jobs | |
| Avg. Time between First and Last Simulation | 188 days | |
| Repeat Users with > 10 Simulation Jobs | 43 users | |
| Repeat Users with > 3 Months 9 | 81 users |
| Domains Served | 3,169 |
|---|---|
| Cummulative Interactive User Sessions 10 | 4,710 |
| Cummulative Session Time | 249 days |
| Visitors 11 | 26,957 |
| Visits 12 | 44,487 |
| New Accounts | 381 |
| Max User Logins | 190 users on 2013-04-17 |
| Web Server Hits | 3,647,246 |
| Users | Totals | Residence | Organization | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Identified | US | Asia | Europe | Other | Identified | Edu. | Ind. | Gov. | Other | |||
| Total Users 1 | 7,918 | 4,160 | 42% | 22% | 16% | 18% | 679 | 94% | 2% | 4% | 0% | |
| - Registered Users 2 | 756 | 755 | 72% | 7% | 17% | 4% | 84 | 88% | 6% | 6% | 0% | |
| - Unregistered Interactive Users 3 | 908 | 472 | 43% | 25% | 14% | 17% | 131 | 96% | 0% | 4% | 0% | |
| - Unregistered Download Users 4 | 6,254 | 2,933 | 34% | 25% | 16% | 22% | 464 | 94% | 2% | 4% | 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.












