| User Agent | Count |
| Mozilla/5.0 (Windows NT 6.1; WOW64; rv:21.0) Gecko/20100101 Firefox/21.0 | 58 |
| Mozilla/5.0 (Windows NT 5.1; rv:21.0) Gecko/20100101 Firefox/21.0 | 15 |
| Mozilla/5.0 (Windows; U; Windows NT 5.1; ja; rv:1.9.2.28) Gecko/20120410 Firefox/3.6.28 Lunascape/6.8.5.26607 ( .NET CLR 3.5.30729) | 13 |
| Mozilla/5.0 (Windows NT 6.1; rv:21.0) Gecko/20100101 Firefox/21.0 | 9 |
| Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:21.0) Gecko/20100101 Firefox/21.0 | 7 |
| Mozilla/5.0 (Windows NT 6.1; WOW64; rv:18.0) Gecko/20100101 Firefox/18.0 | 2 |
| Mozilla/5.0 (Windows NT 6.2; WOW64; rv:21.0) Gecko/20100101 Firefox/21.0 | 2 |
| Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20130614 Firefox/24.0 | 1 |
| Mozilla/5.0 (Windows NT 6.0; rv:21.0) Gecko/20100101 Firefox/21.0 | 1 |
| Mozilla/5.0 (Android; Mobile; rv:21.0) Gecko/21.0 Firefox/21.0 | 1 |
| Mozilla/5.0 (Android; Tablet; rv:21.0) Gecko/21.0 Firefox/21.0 | 1 |
| Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:12.0) Gecko/20100101 Firefox/12.0 | 1 |
| 合計 | 111 |
|---|