| Used Operating Systems |
| 1 | 26224 | 61.75 | 340 | 6.31 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4938 | 11.63 | 1000 | 18.56 | Windows NT |
| 3 | 4443 | 10.46 | 867 | 16.09 | +http://www.google.com/bot.html |
| 4 | 2530 | 5.96 | 2111 | 39.17 | +http://www.baidu.com/search/spider.html |
| 5 | 1210 | 2.85 | 282 | 5.23 | +http://www.bing.com/bingbot.htm |
| 6 | 562 | 1.32 | 167 | 3.10 | +http://yandex.com/bots |
| 7 | 548 | 1.29 | 66 | 1.22 | Windows 98 |
| 8 | 405 | 0.95 | 79 | 1.47 | +http://napoveda.seznam.cz/en/seznambot-... |
| 9 | 257 | 0.61 | 44 | 0.82 | +http://www.linkdex.com/bots/ |
| 10 | 132 | 0.31 | 2 | 0.04 | +https://www.aihitdata.com/about |
| 11 | 130 | 0.31 | 77 | 1.43 | Windows 95 |
| 12 | 99 | 0.23 | 3 | 0.06 | http://crawler.007ac9.net/ |
| 13 | 93 | 0.22 | 3 | 0.06 | +http://megaindex.com/crawler |
| 14 | 82 | 0.19 | 48 | 0.89 | +http://ahrefs.com/robot/ |
| 15 | 80 | 0.19 | 29 | 0.54 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 69 | 0.16 | 9 | 0.17 | FreeBSD [unknown version] |
| 17 | 68 | 0.16 | 2 | 0.04 | +http://www.warebay.com/bot.html |
| 18 | 54 | 0.13 | 6 | 0.11 | +http://www.seokicks.de/robot.html |
| 19 | 52 | 0.12 | 49 | 0.91 | +http://www.uptime.com/uptimebot |
| 20 | 44 | 0.10 | 6 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 21 | 36 | 0.08 | 10 | 0.19 | Windows XP |
| 22 | 35 | 0.08 | 17 | 0.32 | +http://help.coccoc.com/searchengine |
| 23 | 34 | 0.08 | 18 | 0.33 | MSIE 5.5; Windows NT 4.0 |
| 24 | 31 | 0.07 | 18 | 0.33 | ) - BrowseX (2.0.0 Windows |
| 25 | 30 | 0.07 | 1 | 0.02 | Linux [unknown version] |
| 26 | 28 | 0.07 | 16 | 0.30 | Auto; Windows |
| 27 | 26 | 0.06 | 11 | 0.20 | +http://duckduckgo.com |
| 28 | 25 | 0.06 | 15 | 0.28 | MSIE 5.5; Windows NT 5.0 |
| 29 | 24 | 0.06 | 2 | 0.04 | +https://www.dataprovider.com/ |
| 30 | 20 | 0.05 | 10 | 0.19 | http://help.yahoo.com/help/us/ysearch/sl... |
| 31 | 20 | 0.05 | 16 | 0.30 | +http://www.semrush.com/bot.html |
| 32 | 20 | 0.05 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 33 | 16 | 0.04 | 8 | 0.15 | Windows CE |
| 34 | 16 | 0.04 | 4 | 0.07 | +http://help.coccoc.com/ |
| 35 | 16 | 0.04 | 11 | 0.20 | Windows 3.1 |
| 36 | 12 | 0.03 | 8 | 0.15 | Windows 2000 |
| 37 | 12 | 0.03 | 8 | 0.15 | Windows ME |
| 38 | 8 | 0.02 | 4 | 0.07 | +http://www.exabot.com/go/robot |
| 39 | 8 | 0.02 | 4 | 0.07 | +http://fulltext.sblog.cz/ |
| 40 | 6 | 0.01 | 3 | 0.06 | http://www.opensiteexplorer.org/dotbot, ... |
| 41 | 6 | 0.01 | 3 | 0.06 | +https://www.mojeek.com/bot.html |
| 42 | 6 | 0.01 | 4 | 0.07 | Linux i686 [unknown version] |
| 43 | 5 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 44 | 2 | 0.00 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 45 | 2 | 0.00 | 1 | 0.02 | http://www.botje.com/plukkie.htm |
| 46 | 2 | 0.00 | 2 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 47 | 1 | 0.00 | 1 | 0.02 | OpenBSD [unknown version] |
