| Used Operating Systems |
| 1 | 21833 | 64.63 | 270 | 6.20 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3334 | 9.87 | 500 | 11.48 | +http://www.google.com/bot.html |
| 3 | 2600 | 7.70 | 636 | 14.60 | Windows NT |
| 4 | 2375 | 7.03 | 2019 | 46.35 | +http://www.baidu.com/search/spider.html |
| 5 | 1117 | 3.31 | 311 | 7.14 | +http://www.bing.com/bingbot.htm |
| 6 | 690 | 2.04 | 223 | 5.12 | +http://yandex.com/bots |
| 7 | 325 | 0.96 | 17 | 0.39 | Windows 98 |
| 8 | 232 | 0.69 | 48 | 1.10 | +http://fulltext.sblog.cz/ |
| 9 | 160 | 0.47 | 37 | 0.85 | +http://www.linkdex.com/bots/ |
| 10 | 155 | 0.46 | 5 | 0.11 | +http://megaindex.com/crawler |
| 11 | 130 | 0.38 | 2 | 0.05 | +https://www.aihitdata.com/about |
| 12 | 124 | 0.37 | 4 | 0.09 | +http://webmeup-crawler.com/ |
| 13 | 107 | 0.32 | 37 | 0.85 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 84 | 0.25 | 35 | 0.80 | Windows XP |
| 15 | 70 | 0.21 | 53 | 1.22 | +http://www.uptime.com/uptimebot |
| 16 | 67 | 0.20 | 41 | 0.94 | +http://ahrefs.com/robot/ |
| 17 | 62 | 0.18 | 2 | 0.05 | +http://www.privacyaware.org |
| 18 | 46 | 0.14 | 16 | 0.37 | +http://help.coccoc.com/ |
| 19 | 38 | 0.11 | 5 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 20 | 27 | 0.08 | 13 | 0.30 | Windows 95 |
| 21 | 26 | 0.08 | 2 | 0.05 | +http://filterdb.iss.net/crawler/ |
| 22 | 24 | 0.07 | 2 | 0.05 | +https://www.lipperhey.com/en/about/ |
| 23 | 18 | 0.05 | 9 | 0.21 | http://help.yahoo.com/help/us/ysearch/sl... |
| 24 | 18 | 0.05 | 2 | 0.05 | FreeBSD [unknown version] |
| 25 | 17 | 0.05 | 13 | 0.30 | http://www.bing.com/bingbot.htm |
| 26 | 12 | 0.04 | 6 | 0.14 | +http://duckduckgo.com |
| 27 | 10 | 0.03 | 4 | 0.09 | Windows 3.1 |
| 28 | 10 | 0.03 | 5 | 0.11 | +http://www.exabot.com/go/robot |
| 29 | 9 | 0.03 | 3 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 30 | 7 | 0.02 | 5 | 0.11 | Windows 2000 |
| 31 | 7 | 0.02 | 5 | 0.11 | Auto; Windows |
| 32 | 6 | 0.02 | 1 | 0.02 | +http://www.linkpad.ru |
| 33 | 6 | 0.02 | 2 | 0.05 | +info@netcraft.com |
| 34 | 5 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 35 | 5 | 0.01 | 3 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 36 | 4 | 0.01 | 4 | 0.09 | Linux [unknown version] |
| 37 | 4 | 0.01 | 2 | 0.05 | +http://www.semrush.com/bot.html |
| 38 | 3 | 0.01 | 3 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 39 | 2 | 0.01 | 2 | 0.05 | Windows CE |
| 40 | 2 | 0.01 | 2 | 0.05 | OpenBSD [unknown version] |
| 41 | 2 | 0.01 | 1 | 0.02 | +https://www.mojeek.com/bot.html |
| 42 | 2 | 0.01 | 2 | 0.05 | Linux i686 [unknown version] |
| 43 | 2 | 0.01 | 2 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 44 | 2 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 45 | 1 | 0.00 | 1 | 0.02 | +http://glutenfreepleasure.com/ |
| 46 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 47 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
