| Used Operating Systems |
| 1 | 2718 | 44.32 | 2202 | 48.86 | +http://www.baidu.com/search/spider.html |
| 2 | 2008 | 32.74 | 1749 | 38.81 | Windows NT |
| 3 | 576 | 9.39 | 255 | 5.66 | +http://www.bing.com/bingbot.htm |
| 4 | 231 | 3.77 | 97 | 2.15 | +http://www.google.com/bot.html |
| 5 | 139 | 2.27 | 47 | 1.04 | +http://yandex.com/bots |
| 6 | 136 | 2.22 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 36 | 0.59 | 16 | 0.36 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 36 | 0.59 | 35 | 0.78 | +http://www.easou.com/search/spider.html |
| 9 | 28 | 0.46 | 14 | 0.31 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 24 | 0.39 | 12 | 0.27 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 22 | 0.36 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 12 | 21 | 0.34 | 0 | 0.00 | +http://www.meanpath.com/meanpathbot.htm... |
| 13 | 20 | 0.33 | 8 | 0.18 | +http://www.exabot.com/go/robot |
| 14 | 16 | 0.26 | 14 | 0.31 | +info@netcraft.com |
| 15 | 16 | 0.26 | 8 | 0.18 | +http://wmaid.com/explore/ |
| 16 | 12 | 0.20 | 4 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 17 | 12 | 0.20 | 0 | 0.00 | +http://siteexplorer.info/ |
| 18 | 8 | 0.13 | 4 | 0.09 | http://crawler.sistrix.net/ |
| 19 | 8 | 0.13 | 4 | 0.09 | +http://endb-consolidated.aihit.com/ |
| 20 | 6 | 0.10 | 4 | 0.09 | +http://uni5download.com |
| 21 | 6 | 0.10 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 22 | 6 | 0.10 | 4 | 0.09 | +http://downloaflare.biz |
| 23 | 4 | 0.07 | 3 | 0.07 | +http://overx50.com |
| 24 | 4 | 0.07 | 2 | 0.04 | +https://www.mojeek.com/bot.html |
| 25 | 4 | 0.07 | 2 | 0.04 | crawler@goodzer.com |
| 26 | 4 | 0.07 | 2 | 0.04 | +http://www.seokicks.de/robot.html |
| 27 | 4 | 0.07 | 2 | 0.04 | +http://www.idmarch.org/bot.html |
| 28 | 4 | 0.07 | 2 | 0.04 | +http://fulltext.sblog.cz/ |
| 29 | 3 | 0.05 | 1 | 0.02 | +http://www.profound.net/urlappendbot.ht... |
| 30 | 3 | 0.05 | 3 | 0.07 | +http://www.xovibot.net/ |
| 31 | 3 | 0.05 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 32 | 2 | 0.03 | 0 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 33 | 2 | 0.03 | 2 | 0.04 | +http://fb02itsscan.fh-muenster.de |
| 34 | 2 | 0.03 | 2 | 0.04 | +http://getdownload.ws |
| 35 | 2 | 0.03 | 2 | 0.04 | FreeBSD [unknown version] |
| 36 | 2 | 0.03 | 1 | 0.02 | +http://prlog.ru/ |
| 37 | 2 | 0.03 | 2 | 0.04 | Macintosh |
| 38 | 2 | 0.03 | 2 | 0.04 | Windows 98 |
| 39 | 1 | 0.02 | 1 | 0.02 | Linux [unknown version] |
