| Used Operating Systems |
| 1 | 18429 | 77.76 | 171 | 7.73 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3194 | 13.48 | 1459 | 65.99 | +http://www.baidu.com/search/spider.html |
| 3 | 472 | 1.99 | 253 | 11.44 | Windows NT |
| 4 | 343 | 1.45 | 92 | 4.16 | +http://www.linkdex.com/bots/ |
| 5 | 327 | 1.38 | 12 | 0.54 | +http://www.bing.com/bingbot.htm |
| 6 | 234 | 0.99 | 112 | 5.07 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 231 | 0.97 | 56 | 2.53 | +http://www.google.com/bot.html |
| 8 | 161 | 0.68 | 29 | 1.31 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 154 | 0.65 | 18 | 0.81 | +http://yandex.com/bots |
| 10 | 62 | 0.26 | 0 | 0.00 | Crawler; +http://www.google.com/bot.html |
| 11 | 26 | 0.11 | 7 | 0.32 | +http://www.exabot.com/go/robot |
| 12 | 13 | 0.05 | 1 | 0.05 | +http://filterdb.iss.net/crawler/ |
| 13 | 8 | 0.03 | 0 | 0.00 | +http://www.meanpath.com/meanpathbot.htm... |
| 14 | 6 | 0.03 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 15 | 6 | 0.03 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 6 | 0.03 | 0 | 0.00 | http://www.botje.com/plukkie.htm |
| 17 | 5 | 0.02 | 0 | 0.00 | http://nmap.org/book/nse.html |
| 18 | 5 | 0.02 | 0 | 0.00 | +https://www.lipperhey.com/en/about/ |
| 19 | 5 | 0.02 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 20 | 4 | 0.02 | 0 | 0.00 | +http://OpenLinkProfiler.org/bot |
| 21 | 3 | 0.01 | 0 | 0.00 | +info@netcraft.com |
| 22 | 3 | 0.01 | 0 | 0.00 | Windows 98 |
| 23 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 24 | 1 | 0.00 | 0 | 0.00 | +http://megaindex.com/crawler |
| 25 | 1 | 0.00 | 1 | 0.05 | MSIE 5.5; Windows NT 5.0 |
