| Used Operating Systems |
| 1 | 29157 | 54.78 | 380 | 3.52 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8928 | 16.78 | 958 | 8.87 | Windows NT |
| 3 | 8287 | 15.57 | 5713 | 52.88 | +http://ahrefs.com/robot/ |
| 4 | 2733 | 5.14 | 2303 | 21.32 | +http://www.baidu.com/search/spider.html |
| 5 | 1016 | 1.91 | 238 | 2.20 | +http://www.bing.com/bingbot.htm |
| 6 | 842 | 1.58 | 384 | 3.55 | +http://www.google.com/bot.html |
| 7 | 583 | 1.10 | 180 | 1.67 | +http://www.linkdex.com/bots/ |
| 8 | 522 | 0.98 | 229 | 2.12 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 398 | 0.75 | 113 | 1.05 | +http://yandex.com/bots |
| 10 | 102 | 0.19 | 2 | 0.02 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 99 | 0.19 | 28 | 0.26 | Windows 98 |
| 12 | 77 | 0.14 | 63 | 0.58 | Windows 95 |
| 13 | 40 | 0.08 | 5 | 0.05 | +http://www.seokicks.de/robot.html |
| 14 | 32 | 0.06 | 9 | 0.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 32 | 0.06 | 27 | 0.25 | +http://www.uptime.com/uptimebot |
| 16 | 28 | 0.05 | 5 | 0.05 | +http://napoveda.seznam.cz/en/seznambot-... |
| 17 | 26 | 0.05 | 17 | 0.16 | Windows 3.1 |
| 18 | 25 | 0.05 | 20 | 0.19 | Windows 2000 |
| 19 | 22 | 0.04 | 14 | 0.13 | Windows ME |
| 20 | 22 | 0.04 | 11 | 0.10 | +http://www.exabot.com/go/robot |
| 21 | 20 | 0.04 | 13 | 0.12 | Windows CE |
| 22 | 20 | 0.04 | 8 | 0.07 | Windows XP |
| 23 | 18 | 0.03 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 24 | 18 | 0.03 | 3 | 0.03 | http://crawler.007ac9.net/ |
| 25 | 17 | 0.03 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 26 | 14 | 0.03 | 7 | 0.06 | +http://duckduckgo.com |
| 27 | 13 | 0.02 | 11 | 0.10 | Auto; Windows |
| 28 | 13 | 0.02 | 12 | 0.11 | MSIE 5.5; Windows NT 4.0 |
| 29 | 12 | 0.02 | 0 | 0.00 | Win32; Trident/5.0 |
| 30 | 12 | 0.02 | 2 | 0.02 | +https://www.dataprovider.com/ |
| 31 | 12 | 0.02 | 6 | 0.06 | +http://help.coccoc.com/searchengine |
| 32 | 11 | 0.02 | 10 | 0.09 | ) - BrowseX (2.0.0 Windows |
| 33 | 10 | 0.02 | 8 | 0.07 | +info@netcraft.com |
| 34 | 8 | 0.02 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 35 | 7 | 0.01 | 1 | 0.01 | +http://www.warebay.com/bot.html |
| 36 | 7 | 0.01 | 6 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 37 | 6 | 0.01 | 0 | 0.00 | Win64; Trident/5.0 |
| 38 | 6 | 0.01 | 3 | 0.03 | +http://www.semrush.com/bot.html |
| 39 | 5 | 0.01 | 1 | 0.01 | +http://megaindex.com/crawler |
| 40 | 4 | 0.01 | 2 | 0.02 | +http://help.coccoc.com/ |
| 41 | 4 | 0.01 | 2 | 0.02 | +http://fulltext.sblog.cz/ |
| 42 | 3 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 3 | 0.01 | 1 | 0.01 | +http://www.linkpad.ru |
| 44 | 2 | 0.00 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 45 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 46 | 2 | 0.00 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 47 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 48 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
