| Used Operating Systems |
| 1 | 11045 | 39.28 | 201 | 4.42 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4805 | 17.09 | 1689 | 37.15 | Windows NT |
| 3 | 2945 | 10.47 | 1425 | 31.35 | +http://www.baidu.com/search/spider.html |
| 4 | 2350 | 8.36 | 4 | 0.09 | +http://webmeup-crawler.com/ |
| 5 | 1503 | 5.34 | 3 | 0.07 | http://crawler.sistrix.net/ |
| 6 | 1416 | 5.04 | 233 | 5.13 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 1287 | 4.58 | 181 | 3.98 | +http://yandex.com/bots |
| 8 | 785 | 2.79 | 331 | 7.28 | +http://www.easou.com/search/spider.html |
| 9 | 690 | 2.45 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 10 | 454 | 1.61 | 142 | 3.12 | +http://www.google.com/bot.html |
| 11 | 437 | 1.55 | 131 | 2.88 | +http://www.linkdex.com/bots/ |
| 12 | 90 | 0.32 | 47 | 1.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 72 | 0.26 | 20 | 0.44 | +http://www.bing.com/bingbot.htm |
| 14 | 39 | 0.14 | 33 | 0.73 | Linux i686 [unknown version] |
| 15 | 32 | 0.11 | 23 | 0.51 | X11 |
| 16 | 31 | 0.11 | 19 | 0.42 | Windows 98 |
| 17 | 26 | 0.09 | 2 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 18 | 26 | 0.09 | 13 | 0.29 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 20 | 0.07 | 18 | 0.40 | Linux [unknown version] |
| 20 | 20 | 0.07 | 10 | 0.22 | Windows 95 |
| 21 | 16 | 0.06 | 10 | 0.22 | J2ME/MIDP |
| 22 | 12 | 0.04 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 23 | 6 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 24 | 4 | 0.01 | 2 | 0.04 | Windows CE |
| 25 | 2 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 26 | 2 | 0.01 | 2 | 0.04 | Android 2.3.5 |
| 27 | 2 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 28 | 2 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 29 | 1 | 0.00 | 1 | 0.02 | Windows 3.1 |
