Usage: Overview
| Users | Totals | Residence | Organization | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Identified | US | Asia | Europe | Other | Identified | Edu. | Ind. | Gov. | Other | |||
| Total Users 1 |  |
143,920 | 142,120 | 30% | 37% | 24% | 10% | 29,159 | 68% | 4% | 2% | 26% |
| - Simulation Users 5 |  |
8,865 | 8,865 | 56% | 19% | 18% | 7% | 8,865 | 91% | 5% | 1% | 3% |
| - Interactive Users 6 |  |
45,046 | 44,489 | 44% | 26% | 20% | 9% | 12,391 | 97% | 2% | 1% | 0% |
| - Download Users 7 |  |
133,363 | 132,792 | 31% | 36% | 23% | 10% | 22,877 | 95% | 3% | 2% | 0% |
| Total Users (old defn) 8 |  |
53,924 | - | - | - | - | - | - | - | - | - | - |
| Simulation Users 5 | 8,865 users |  |
|---|---|---|
| Simulation Runs | 348,943 jobs |  |
| Total CPU Time | 2,648 days | |
| Total Wall Time | 25,350 days | |
| Total Interaction Time | 8,446 days | |
| Users with > 10 mins of CPU Time | 1,797 users | |
| Avg. Number of Simulation Runs/User | 39 jobs | |
| Avg. Time between First and last Simualtion | 282 days | |
| Repeat Users with > 10 Simulation Jobs | 4,440 users | |
| Repeat Users with > 3 Months 9 | 2,759 users |
| Domains Served | 13,748 |
|---|---|
| Cummulative Interactive User Sessions 10 | 141,233 |
| Cummulative Session Time | 9,663 days |
| Visitors 11 | 301,621 |
| Visits 12 | 986,179 |
| New Accounts | 7,818 |
| Max User Logins | 465 users on 2010-02-09 |
| Web Server Hits | 63,150,110 |
| Online Meetings | 242 meeting sessions 626 participants |
|---|---|
| Shared Tool Sessions 13 | 150 |
| New tools under development | 40 |
| Users | Totals | Residence | Organization | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Identified | US | Asia | Europe | Other | Identified | Edu. | Ind. | Gov. | Other | |||
| Total Users 1 | |
143,920 | 142,120 | 30% | 37% | 24% | 10% | 29,159 | 68% | 4% | 2% | 26% |
| - Registered Users 2 |  |
11,057 | 9,996 | 54% | 21% | 18% | 7% | 9,990 | 17% | 5% | 1% | 77% |
| - Unregistered Interactive Users 3 |  |
25,193 | 24,892 | 35% | 31% | 25% | 10% | 4,566 | 95% | 3% | 2% | 0% |
| - Unregistered Download Users 4 |  |
107,670 | 107,232 | 26% | 40% | 24% | 10% | 14,603 | 94% | 4% | 3% | 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.
- -
- 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.