| Used Operating Systems |
| 1 | 45180 | 50.93 | 567 | 22.90 | +http://yandex.com/bots |
| 2 | 37292 | 42.04 | 963 | 38.89 | Windows NT |
| 3 | 2984 | 3.36 | 119 | 4.81 | http://mj12bot.com/ |
| 4 | 766 | 0.86 | 273 | 11.03 | +http://www.baidu.com/search/spider.html |
| 5 | 529 | 0.60 | 116 | 4.68 | +http://www.google.com/bot.html |
| 6 | 520 | 0.59 | 121 | 4.89 | +http://www.linkdex.com/bots/ |
| 7 | 469 | 0.53 | 89 | 3.59 | +http://www.bing.com/bingbot.htm |
| 8 | 148 | 0.17 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 9 | 96 | 0.11 | 4 | 0.16 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 87 | 0.10 | 47 | 1.90 | Windows 95 |
| 11 | 85 | 0.10 | 6 | 0.24 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 80 | 0.09 | 6 | 0.24 | +http://OpenLinkProfiler.org/bot |
| 13 | 65 | 0.07 | 30 | 1.21 | Windows 98 |
| 14 | 42 | 0.05 | 2 | 0.08 | +http://www.xovibot.net/ |
| 15 | 32 | 0.04 | 30 | 1.21 | +http://www.uptime.com/uptimebot |
| 16 | 28 | 0.03 | 2 | 0.08 | +http://megaindex.com/crawler |
| 17 | 25 | 0.03 | 10 | 0.40 | Windows XP |
| 18 | 22 | 0.02 | 2 | 0.08 | +http://www.similartech.com/smtbot |
| 19 | 20 | 0.02 | 10 | 0.40 | +http://napoveda.seznam.cz/en/seznambot-... |
| 20 | 18 | 0.02 | 10 | 0.40 | Windows CE |
| 21 | 18 | 0.02 | 6 | 0.24 | Auto; Windows |
| 22 | 18 | 0.02 | 14 | 0.57 | ) - BrowseX (2.0.0 Windows |
| 23 | 18 | 0.02 | 2 | 0.08 | +http://www.profound.net/domainappender |
| 24 | 17 | 0.02 | 9 | 0.36 | MSIE 5.5; Windows NT 5.0 |
| 25 | 16 | 0.02 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 26 | 16 | 0.02 | 8 | 0.32 | +http://duckduckgo.com |
| 27 | 16 | 0.02 | 0 | 0.00 | +http://help.coccoc.com/searchengine |
| 28 | 14 | 0.02 | 2 | 0.08 | +http://cliqz.com/company/cliqzbot |
| 29 | 14 | 0.02 | 2 | 0.08 | http://www.similartech.com/smtbot |
| 30 | 12 | 0.01 | 2 | 0.08 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 31 | 10 | 0.01 | 5 | 0.20 | MSIE 5.5; Windows NT 4.0 |
| 32 | 8 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 33 | 8 | 0.01 | 4 | 0.16 | http://www.majestic12.co.uk/bot.php?+ |
| 34 | 6 | 0.01 | 6 | 0.24 | +http://www.id-search.xyz/bot.html |
| 35 | 4 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 36 | 4 | 0.00 | 0 | 0.00 | http://www.botje.com/plukkie.htm |
| 37 | 4 | 0.00 | 2 | 0.08 | +info@netcraft.com |
| 38 | 4 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 39 | 3 | 0.00 | 1 | 0.04 | Windows 2000 |
| 40 | 2 | 0.00 | 2 | 0.08 | Windows ME |
| 41 | 2 | 0.00 | 2 | 0.08 | +http://www.grapeshot.co.uk/crawler.php |
| 42 | 2 | 0.00 | 2 | 0.08 | Windows 3.1 |
