| Used Operating Systems |
| 1 | 2513 | 43.07 | 1989 | 75.43 | +http://www.baidu.com/search/spider.html |
| 2 | 881 | 15.10 | 114 | 4.32 | Windows NT |
| 3 | 787 | 13.49 | 123 | 4.66 | +http://www.google.com/bot.html |
| 4 | 389 | 6.67 | 82 | 3.11 | http://mj12bot.com/ |
| 5 | 283 | 4.85 | 129 | 4.89 | +http://www.uptime.com/uptimebot |
| 6 | 252 | 4.32 | 78 | 2.96 | +http://www.bing.com/bingbot.htm |
| 7 | 129 | 2.21 | 1 | 0.04 | +http://www.semrush.com/bot.html |
| 8 | 70 | 1.20 | 10 | 0.38 | +http://yandex.com/bots |
| 9 | 61 | 1.05 | 19 | 0.72 | +http://duckduckgo.com |
| 10 | 46 | 0.79 | 5 | 0.19 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 40 | 0.69 | 6 | 0.23 | +http://napoveda.seznam.cz/en/seznambot-... |
| 12 | 38 | 0.65 | 8 | 0.30 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 13 | 33 | 0.57 | 12 | 0.46 | +http://ahrefs.com/robot/ |
| 14 | 30 | 0.51 | 1 | 0.04 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 15 | 30 | 0.51 | 6 | 0.23 | +http://OpenLinkProfiler.org/bot |
| 16 | 28 | 0.48 | 7 | 0.27 | +http://help.coccoc.com/searchengine |
| 17 | 26 | 0.45 | 8 | 0.30 | +info@netcraft.com |
| 18 | 24 | 0.41 | 5 | 0.19 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 20 | 0.34 | 0 | 0.00 | +http://www.linkdex.com/bots/ |
| 20 | 20 | 0.34 | 2 | 0.08 | +https://www.aihitdata.com/about |
| 21 | 12 | 0.21 | 2 | 0.08 | +http://megaindex.com/crawler |
| 22 | 12 | 0.21 | 6 | 0.23 | +http://www.exabot.com/go/robot |
| 23 | 10 | 0.17 | 2 | 0.08 | Windows 3.1 |
| 24 | 9 | 0.15 | 3 | 0.11 | +http://sur.ly/bot.html |
| 25 | 9 | 0.15 | 0 | 0.00 | Linux [unknown version] |
| 26 | 9 | 0.15 | 3 | 0.11 | +http://www.seokicks.de/robot.html |
| 27 | 8 | 0.14 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 28 | 8 | 0.14 | 1 | 0.04 | +http://siteexplorer.info/Backlink-Check... |
| 29 | 8 | 0.14 | 2 | 0.08 | Linux i686 [unknown version] |
| 30 | 7 | 0.12 | 2 | 0.08 | support.orangebot@orange.com |
| 31 | 6 | 0.10 | 0 | 0.00 | +https://deusu.de/robot.html |
| 32 | 4 | 0.07 | 0 | 0.00 | Win32 |
| 33 | 4 | 0.07 | 4 | 0.15 | +http://glutenfreepleasure.com/ |
| 34 | 4 | 0.07 | 2 | 0.08 | http://nmap.org/book/nse.html |
| 35 | 4 | 0.07 | 2 | 0.08 | +https://www.mojeek.com/bot.html |
| 36 | 4 | 0.07 | 0 | 0.00 | http://www.botje.com/plukkie.htm |
| 37 | 4 | 0.07 | 0 | 0.00 | +http://naver.me/bot |
| 38 | 3 | 0.05 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 3 | 0.05 | 1 | 0.04 | +http://prlog.ru/ |
| 40 | 2 | 0.03 | 2 | 0.08 | +http://www.linkpad.ru |
| 41 | 2 | 0.03 | 0 | 0.00 | S60 |
| 42 | 2 | 0.03 | 0 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 43 | 1 | 0.02 | 0 | 0.00 | +http://tag1consulting.com/dropreaper.ht... |
