| Used Operating Systems |
| 1 | 18032 | 53.83 | 215 | 4.54 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4296 | 12.82 | 1049 | 22.16 | +http://www.google.com/bot.html |
| 3 | 2530 | 7.55 | 2124 | 44.87 | +http://www.baidu.com/search/spider.html |
| 4 | 2342 | 6.99 | 36 | 0.76 | http://mj12bot.com/ |
| 5 | 2236 | 6.68 | 470 | 9.93 | Windows NT |
| 6 | 1396 | 4.17 | 288 | 6.08 | +http://www.bing.com/bingbot.htm |
| 7 | 569 | 1.70 | 140 | 2.96 | +http://yandex.com/bots |
| 8 | 481 | 1.44 | 80 | 1.69 | +http://www.linkdex.com/bots/ |
| 9 | 267 | 0.80 | 59 | 1.25 | +http://www.semrush.com/bot.html |
| 10 | 248 | 0.74 | 32 | 0.68 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 195 | 0.58 | 3 | 0.06 | +https://www.aihitdata.com/about |
| 12 | 93 | 0.28 | 3 | 0.06 | +http://megaindex.com/crawler |
| 13 | 88 | 0.26 | 22 | 0.46 | +http://www.profound.net/domainappender |
| 14 | 68 | 0.20 | 34 | 0.72 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 68 | 0.20 | 2 | 0.04 | +http://www.warebay.com/bot.html |
| 16 | 63 | 0.19 | 45 | 0.95 | +http://ahrefs.com/robot/ |
| 17 | 63 | 0.19 | 23 | 0.49 | Windows XP |
| 18 | 60 | 0.18 | 2 | 0.04 | Linux i586 [unknown version] |
| 19 | 54 | 0.16 | 6 | 0.13 | +http://www.seokicks.de/robot.html |
| 20 | 52 | 0.16 | 18 | 0.38 | Windows 95 |
| 21 | 36 | 0.11 | 7 | 0.15 | http://www.opensiteexplorer.org/dotbot, ... |
| 22 | 33 | 0.10 | 7 | 0.15 | Windows 98 |
| 23 | 30 | 0.09 | 11 | 0.23 | +http://help.coccoc.com/searchengine |
| 24 | 26 | 0.08 | 2 | 0.04 | +https://www.dataprovider.com/ |
| 25 | 25 | 0.07 | 3 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 26 | 24 | 0.07 | 10 | 0.21 | http://help.yahoo.com/help/us/ysearch/sl... |
| 27 | 20 | 0.06 | 8 | 0.17 | +https://www.mojeek.com/bot.html |
| 28 | 16 | 0.05 | 8 | 0.17 | +http://www.exabot.com/go/robot |
| 29 | 14 | 0.04 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 30 | 13 | 0.04 | 5 | 0.11 | Windows CE |
| 31 | 12 | 0.04 | 2 | 0.04 | +http://www.linkpad.ru |
| 32 | 12 | 0.04 | 4 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 33 | 6 | 0.02 | 2 | 0.04 | Windows 2000 |
| 34 | 6 | 0.02 | 2 | 0.04 | +info@netcraft.com |
| 35 | 6 | 0.02 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 36 | 4 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 37 | 3 | 0.01 | 1 | 0.02 | Auto; Windows |
| 38 | 3 | 0.01 | 1 | 0.02 | Windows ME |
| 39 | 2 | 0.01 | 2 | 0.04 | J2ME/MIDP |
| 40 | 2 | 0.01 | 2 | 0.04 | Intel Mac OS X |
| 41 | 2 | 0.01 | 2 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 42 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
| 43 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
