| Used Operating Systems |
| 1 | 1603 | 52.87 | 1452 | 70.38 | +http://www.baidu.com/search/spider.html |
| 2 | 664 | 21.90 | 326 | 15.80 | +http://www.google.com/bot.html |
| 3 | 354 | 11.68 | 210 | 10.18 | +http://www.easou.com/search/spider.html |
| 4 | 234 | 7.72 | 50 | 2.42 | Windows NT |
| 5 | 49 | 1.62 | 0 | 0.00 | +http://www.bing.com/bingbot.htm |
| 6 | 16 | 0.53 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 7 | 14 | 0.46 | 0 | 0.00 | +http://www.meanpath.com/meanpathbot.htm... |
| 8 | 10 | 0.33 | 0 | 0.00 | Linux [unknown version] |
| 9 | 9 | 0.30 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 10 | 8 | 0.26 | 2 | 0.10 | +http://u2search.co |
| 11 | 8 | 0.26 | 2 | 0.10 | +http://alphaphitote.com |
| 12 | 8 | 0.26 | 2 | 0.10 | +http://r4downloads.co |
| 13 | 6 | 0.20 | 3 | 0.15 | http://crawler.sistrix.net/ |
| 14 | 6 | 0.20 | 2 | 0.10 | +http://prox100download.com |
| 15 | 6 | 0.20 | 2 | 0.10 | +http://plus5files.net |
| 16 | 4 | 0.13 | 4 | 0.19 | +http://fb02itsscan.fh-muenster.de |
| 17 | 4 | 0.13 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 18 | 4 | 0.13 | 0 | 0.00 | Mail.RU_Bot/Robots; +http://go.mail.ru/h... |
| 19 | 4 | 0.13 | 2 | 0.10 | +info@netcraft.com |
| 20 | 3 | 0.10 | 1 | 0.05 | +http://getdownload.ws |
| 21 | 3 | 0.10 | 0 | 0.00 | +http://www.exabot.com/go/robot |
| 22 | 2 | 0.07 | 0 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 23 | 2 | 0.07 | 0 | 0.00 | +http://OpenLinkProfiler.org/bot |
| 24 | 2 | 0.07 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 25 | 2 | 0.07 | 2 | 0.10 | +http://wmaid.com/en/explore/ |
| 26 | 2 | 0.07 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 27 | 2 | 0.07 | 2 | 0.10 | X11 |
| 28 | 1 | 0.03 | 0 | 0.00 | +http://siteexplorer.info/ |
| 29 | 1 | 0.03 | 0 | 0.00 | +http://www.seokicks.de/robot.html |
| 30 | 1 | 0.03 | 1 | 0.05 | Linux i686 [unknown version] |
