| Used Operating Systems |
| 1 | 20022 | 42.38 | 229 | 2.01 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7827 | 16.57 | 4533 | 39.77 | +http://www.baidu.com/search/spider.html |
| 3 | 6132 | 12.98 | 4575 | 40.14 | +http://ahrefs.com/robot/ |
| 4 | 5399 | 11.43 | 998 | 8.76 | Windows NT |
| 5 | 4224 | 8.94 | 30 | 0.26 | Windows XP |
| 6 | 1295 | 2.74 | 378 | 3.32 | +http://www.bing.com/bingbot.htm |
| 7 | 593 | 1.26 | 246 | 2.16 | +http://www.google.com/bot.html |
| 8 | 375 | 0.79 | 100 | 0.88 | +http://www.linkdex.com/bots/ |
| 9 | 356 | 0.75 | 57 | 0.50 | +http://yandex.com/bots |
| 10 | 327 | 0.69 | 48 | 0.42 | +http://www.semrush.com/bot.html |
| 11 | 128 | 0.27 | 38 | 0.33 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 62 | 0.13 | 15 | 0.13 | Windows 95 |
| 13 | 51 | 0.11 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 14 | 51 | 0.11 | 22 | 0.19 | +http://www.exabot.com/go/robot |
| 15 | 40 | 0.08 | 7 | 0.06 | Windows 98 |
| 16 | 37 | 0.08 | 3 | 0.03 | Linux i686 [unknown version] |
| 17 | 36 | 0.08 | 6 | 0.05 | +http://www.profound.net/domainappender |
| 18 | 33 | 0.07 | 33 | 0.29 | +http://www.xovibot.net/ |
| 19 | 33 | 0.07 | 3 | 0.03 | +http://megaindex.com/crawler |
| 20 | 28 | 0.06 | 5 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 21 | 25 | 0.05 | 18 | 0.16 | apps-spreadsheets; +http://docs.google.c... |
| 22 | 24 | 0.05 | 5 | 0.04 | Windows ME |
| 23 | 18 | 0.04 | 17 | 0.15 | +http://www.uptime.com/uptimebot |
| 24 | 18 | 0.04 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 25 | 18 | 0.04 | 4 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 26 | 16 | 0.03 | 4 | 0.04 | +http://fulltext.sblog.cz/ |
| 27 | 13 | 0.03 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 28 | 10 | 0.02 | 5 | 0.04 | +http://duckduckgo.com |
| 29 | 9 | 0.02 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 30 | 9 | 0.02 | 2 | 0.02 | Windows 3.1 |
| 31 | 6 | 0.01 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 32 | 4 | 0.01 | 2 | 0.02 | Windows 2000 |
| 33 | 4 | 0.01 | 2 | 0.02 | +http://sur.ly/bot.html |
| 34 | 3 | 0.01 | 1 | 0.01 | Windows CE |
| 35 | 3 | 0.01 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 36 | 2 | 0.00 | 0 | 0.00 | http://drive.google.com |
| 37 | 2 | 0.00 | 1 | 0.01 | +http://crawler.seolytics.net/ |
| 38 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 39 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 40 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 41 | 1 | 0.00 | 0 | 0.00 | i686 Linux; 20020823 |
| 42 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 43 | 1 | 0.00 | 0 | 0.00 | AOL 9.7; AOLBuild 4346.2019; Windows NT ... |
