| Used Operating Systems |
| 1 | 3318 | 44.26 | 1142 | 64.96 | Windows NT |
| 2 | 1967 | 26.24 | 179 | 10.18 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 885 | 11.81 | 153 | 8.70 | help@moz.com |
| 4 | 770 | 10.27 | 122 | 6.94 | +http://yandex.com/bots |
| 5 | 306 | 4.08 | 100 | 5.69 | +http://www.google.com/bot.html |
| 6 | 125 | 1.67 | 4 | 0.23 | +http://www.bing.com/bingbot.htm |
| 7 | 35 | 0.47 | 9 | 0.51 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 32 | 0.43 | 22 | 1.25 | X11 |
| 9 | 15 | 0.20 | 5 | 0.28 | Linux i686 [unknown version] |
| 10 | 8 | 0.11 | 3 | 0.17 | Linux [unknown version] |
| 11 | 8 | 0.11 | 1 | 0.06 | Android 2.3.5 |
| 12 | 4 | 0.05 | 4 | 0.23 | Windows 98 |
| 13 | 2 | 0.03 | 2 | 0.11 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 14 | 2 | 0.03 | 0 | 0.00 | Macintosh PPC |
| 15 | 2 | 0.03 | 1 | 0.06 | +http://about.depspid.net |
| 16 | 1 | 0.01 | 0 | 0.00 | http://www.peew.de/crawler/ |
| 17 | 1 | 0.01 | 0 | 0.00 | http://www.entireweb.com/about/search_te... |
| 18 | 1 | 0.01 | 1 | 0.06 | Windows 2000 |
| 19 | 1 | 0.01 | 1 | 0.06 | Intel Mac OS X 10.5 |
| 20 | 1 | 0.01 | 1 | 0.06 | Windows 92 |
| 21 | 1 | 0.01 | 1 | 0.06 | +http://sp.ask.com/docs/about/tech_crawl... |
| 22 | 1 | 0.01 | 1 | 0.06 | +http://filterdb.iss.net/crawler/ |
| 23 | 1 | 0.01 | 1 | 0.06 | Auto; Windows |
| 24 | 1 | 0.01 | 0 | 0.00 | Syllable |
| 25 | 1 | 0.01 | 1 | 0.06 | ActiveXperts.Http.3.1 |
| 26 | 1 | 0.01 | 1 | 0.06 | +http://www.grapeshot.co.uk/crawler.php |
| 27 | 1 | 0.01 | 1 | 0.06 | +http://www.parsijoo.ir/; ehsan.mousakaz... |
| 28 | 1 | 0.01 | 0 | 0.00 | +http://www.q0.com |
| 29 | 1 | 0.01 | 1 | 0.06 | +http://fulltext.sblog.cz/screenshot/ |
| 30 | 1 | 0.01 | 0 | 0.00 | http://www.scoutjet.com/ |
| 31 | 1 | 0.01 | 1 | 0.06 | PPC Mac OS X Mach-O |
| 32 | 1 | 0.01 | 0 | 0.00 | Windows 95 |
