| Used Operating Systems |
| 1 | 8327 | 33.23 | 6141 | 47.63 | +http://ahrefs.com/robot/ |
| 2 | 7487 | 29.88 | 4769 | 36.99 | +http://www.baidu.com/search/spider.html |
| 3 | 2487 | 9.92 | 531 | 4.12 | Windows NT |
| 4 | 1699 | 6.78 | 695 | 5.39 | +http://www.google.com/bot.html |
| 5 | 1534 | 6.12 | 22 | 0.17 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 1058 | 4.22 | 26 | 0.20 | http://mj12bot.com/ |
| 7 | 751 | 3.00 | 222 | 1.72 | +http://www.bing.com/bingbot.htm |
| 8 | 488 | 1.95 | 122 | 0.95 | +http://yandex.com/bots |
| 9 | 423 | 1.69 | 105 | 0.81 | +http://www.linkdex.com/bots/ |
| 10 | 281 | 1.12 | 136 | 1.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 207 | 0.83 | 7 | 0.05 | +http://www.semrush.com/bot.html |
| 12 | 75 | 0.30 | 26 | 0.20 | +http://napoveda.seznam.cz/en/seznambot-... |
| 13 | 56 | 0.22 | 21 | 0.16 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 34 | 0.14 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 15 | 27 | 0.11 | 3 | 0.02 | +http://www.seokicks.de/robot.html |
| 16 | 24 | 0.10 | 11 | 0.09 | +http://www.exabot.com/go/robot |
| 17 | 18 | 0.07 | 1 | 0.01 | +http://www.warebay.com/bot.html |
| 18 | 16 | 0.06 | 1 | 0.01 | +http://megaindex.com/crawler |
| 19 | 10 | 0.04 | 10 | 0.08 | Windows 95 |
| 20 | 10 | 0.04 | 6 | 0.05 | Windows 98 |
| 21 | 6 | 0.02 | 3 | 0.02 | +http://duckduckgo.com |
| 22 | 4 | 0.02 | 4 | 0.03 | Auto; Windows |
| 23 | 3 | 0.01 | 1 | 0.01 | +http://sur.ly/bot.html |
| 24 | 3 | 0.01 | 3 | 0.02 | Windows ME |
| 25 | 3 | 0.01 | 3 | 0.02 | Windows 3.1 |
| 26 | 3 | 0.01 | 3 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 27 | 3 | 0.01 | 3 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 28 | 3 | 0.01 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 29 | 3 | 0.01 | 3 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 30 | 2 | 0.01 | 1 | 0.01 | Windows CE |
| 31 | 2 | 0.01 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 32 | 2 | 0.01 | 1 | 0.01 | +https://www.mojeek.com/bot.html |
| 33 | 2 | 0.01 | 1 | 0.01 | +http://siteexplorer.info/Backlink-Check... |
| 34 | 2 | 0.01 | 2 | 0.02 | Windows XP |
| 35 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 36 | 1 | 0.00 | 1 | 0.01 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 37 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 38 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 40 | 1 | 0.00 | 0 | 0.00 | AOL 9.7; AOLBuild 4346.2019; Windows NT ... |
