| Used Operating Systems |
| 1 | 26796 | 58.39 | 259 | 2.98 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7089 | 15.45 | 5148 | 59.15 | +http://www.baidu.com/search/spider.html |
| 3 | 6478 | 14.11 | 1375 | 15.80 | Windows NT |
| 4 | 1455 | 3.17 | 476 | 5.47 | +http://www.bing.com/bingbot.htm |
| 5 | 1323 | 2.88 | 492 | 5.65 | +http://www.google.com/bot.html |
| 6 | 554 | 1.21 | 116 | 1.33 | +http://www.linkdex.com/bots/ |
| 7 | 429 | 0.93 | 85 | 0.98 | +http://yandex.com/bots |
| 8 | 422 | 0.92 | 164 | 1.88 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 199 | 0.43 | 123 | 1.41 | Windows 95 |
| 10 | 183 | 0.40 | 79 | 0.91 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 138 | 0.30 | 20 | 0.23 | Windows 98 |
| 12 | 82 | 0.18 | 28 | 0.32 | +http://napoveda.seznam.cz/en/seznambot-... |
| 13 | 60 | 0.13 | 4 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 14 | 54 | 0.12 | 47 | 0.54 | +http://www.uptime.com/uptimebot |
| 15 | 51 | 0.11 | 22 | 0.25 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 43 | 0.09 | 28 | 0.32 | Windows 3.1 |
| 17 | 42 | 0.09 | 30 | 0.34 | Windows CE |
| 18 | 42 | 0.09 | 25 | 0.29 | ) - BrowseX (2.0.0 Windows |
| 19 | 41 | 0.09 | 30 | 0.34 | MSIE 5.5; Windows NT 5.0 |
| 20 | 41 | 0.09 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 21 | 38 | 0.08 | 7 | 0.08 | Windows XP |
| 22 | 38 | 0.08 | 3 | 0.03 | Linux i586 [unknown version] |
| 23 | 32 | 0.07 | 21 | 0.24 | Windows 2000 |
| 24 | 30 | 0.07 | 25 | 0.29 | Auto; Windows |
| 25 | 30 | 0.07 | 2 | 0.02 | http://crawler.007ac9.net/ |
| 26 | 28 | 0.06 | 22 | 0.25 | Windows ME |
| 27 | 28 | 0.06 | 2 | 0.02 | +http://megaindex.com/crawler |
| 28 | 27 | 0.06 | 14 | 0.16 | +http://www.semrush.com/bot.html |
| 29 | 25 | 0.05 | 9 | 0.10 | +http://ahrefs.com/robot/ |
| 30 | 22 | 0.05 | 11 | 0.13 | +http://duckduckgo.com |
| 31 | 21 | 0.05 | 17 | 0.20 | MSIE 5.5; Windows NT 4.0 |
| 32 | 14 | 0.03 | 7 | 0.08 | +http://www.exabot.com/go/robot |
| 33 | 12 | 0.03 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 34 | 7 | 0.02 | 2 | 0.02 | +http://fulltext.sblog.cz/ |
| 35 | 6 | 0.01 | 4 | 0.05 | +info@netcraft.com |
| 36 | 2 | 0.00 | 0 | 0.00 | i686 Linux; 20020209 |
| 37 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 38 | 2 | 0.00 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 39 | 2 | 0.00 | 0 | 0.00 | +; |
| 40 | 1 | 0.00 | 1 | 0.01 | http://www.wise-guys.nl/ |
| 41 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 42 | 1 | 0.00 | 0 | 0.00 | Android 2.3.5 |
| 43 | 1 | 0.00 | 0 | 0.00 | http://webagent.wise-guys.nl/ |
| 44 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 45 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 46 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
