Usage: Overview
| Users | Totals | Residence | Organization | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Identified | US | Asia | Europe | Other | Identified | Edu. | Ind. | Gov. | Other | |||
| Total Users 1 |  |
57,049 | 52,522 | 25% | 41% | 23% | 11% | 8,067 | 93% | 4% | 2% | 1% |
| - Simulation Users 5 |  |
3,294 | 1,409 | 48% | 25% | 19% | 7% | 1,428 | 92% | 4% | 1% | 3% |
| - Interactive Users 6 |  |
12,314 | 11,540 | 36% | 34% | 20% | 10% | 2,119 | 93% | 4% | 3% | 0% |
| - Download Users 7 |  |
51,523 | 51,147 | 25% | 41% | 23% | 11% | 6,360 | 94% | 4% | 2% | 0% |
| Total Users (old defn) 8 |  |
15,624 | - | - | - | - | - | - | - | - | - | - |
| Simulation Users 5 | 3,294 users |  |
|---|---|---|
| Simulation Runs | 93,116 jobs |  |
| Total CPU Time | 2,986 days | |
| Total Wall Time | 3,726 days | |
| Total Interaction Time | 1,211 days | |
| Users with > 10 mins of CPU Time | 1,188 users | |
| Avg. Number of Simulation Runs/User | 28 jobs | |
| Avg. Time between First and Last Simulation | 748 days | |
| Repeat Users with > 10 Simulation Jobs | 1,389 users | |
| Repeat Users with > 3 Months 9 | 959 users |
| Domains Served | 6,443 |
|---|---|
| Cummulative Interactive User Sessions 10 | 28,969 |
| Cummulative Session Time | 1,101 days |
| Visitors 11 | 117,455 |
| Visits 12 | 263,177 |
| New Accounts | 2,204 |
| Max User Logins | 542 users on 2013-04-08 |
| Web Server Hits | 16,376,224 |
| Shared Tool Sessions 13 | 18 |
|---|---|
| New tools under development | 12 |
| Users | Totals | Residence | Organization | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Identified | US | Asia | Europe | Other | Identified | Edu. | Ind. | Gov. | Other | |||
| Total Users 1 | |
57,049 | 52,522 | 25% | 41% | 23% | 11% | 8,067 | 93% | 4% | 2% | 1% |
| - Registered Users 2 |  |
6,374 | 2,241 | 47% | 26% | 18% | 9% | 2,278 | 89% | 6% | 1% | 4% |
| - Unregistered Interactive Users 3 |  |
5,982 | 5,733 | 28% | 38% | 23% | 12% | 774 | 95% | 3% | 2% | 0% |
| - Unregistered Download Users 4 |  |
44,693 | 44,548 | 24% | 42% | 23% | 11% | 5,015 | 95% | 3% | 2% | 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.