| Used Operating Systems by Visits |
| 1 | 2714 | 23.12 | 2401 | 50.76 | +http://www.baidu.com/search/spider.html |
| 2 | 1641 | 13.98 | 1020 | 21.56 | Windows NT |
| 3 | 556 | 4.74 | 273 | 5.77 | +http://www.google.com/bot.html |
| 4 | 839 | 7.15 | 208 | 4.40 | +http://www.bing.com/bingbot.htm |
| 5 | 618 | 5.26 | 161 | 3.40 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 278 | 2.37 | 160 | 3.38 | +http://ahrefs.com/robot/ |
| 7 | 164 | 1.40 | 124 | 2.62 | +http://www.easou.com/search/spider.html |
| 8 | 3551 | 30.24 | 99 | 2.09 | +http://yandex.com/bots |
| 9 | 231 | 1.97 | 89 | 1.88 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 84 | 0.72 | 42 | 0.89 | +http://www.meanpath.com/meanpathbot.htm... |
| 11 | 139 | 1.18 | 29 | 0.61 | http://www.majestic12.co.uk/bot.php?+ |
| 12 | 33 | 0.28 | 27 | 0.57 | +http://www.xovibot.net/ |
| 13 | 53 | 0.45 | 25 | 0.53 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 52 | 0.44 | 13 | 0.27 | +http://fulltext.sblog.cz/ |
| 15 | 232 | 1.98 | 8 | 0.17 | http://www.searchmetrics.com/en/searchme... |
| 16 | 16 | 0.14 | 8 | 0.17 | +http://www.exabot.com/go/robot |
| 17 | 7 | 0.06 | 7 | 0.15 | Linux [unknown version] |
| 18 | 8 | 0.07 | 6 | 0.13 | +info@netcraft.com |
| 19 | 10 | 0.09 | 3 | 0.06 | +http://uni5download.com |
| 20 | 4 | 0.03 | 3 | 0.06 | +http://wmaid.com/explore/ |
| 21 | 4 | 0.03 | 3 | 0.06 | Windows 98 |
| 22 | 6 | 0.05 | 2 | 0.04 | +http://downloadengine.info |
| 23 | 4 | 0.03 | 2 | 0.04 | http://crawler.sistrix.net/ |
| 24 | 4 | 0.03 | 2 | 0.04 | Mail.RU_Bot/Robots; +http://go.mail.ru/h... |
| 25 | 10 | 0.09 | 2 | 0.04 | +http://www.profound.net/urlappendbot.ht... |
| 26 | 6 | 0.05 | 2 | 0.04 | +http://onlythegames.com |
| 27 | 276 | 2.35 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 28 | 6 | 0.05 | 2 | 0.04 | +http://dl2engine.net |
| 29 | 17 | 0.14 | 1 | 0.02 | crawler@mixrank.com |
| 30 | 2 | 0.02 | 1 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 31 | 37 | 0.32 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 32 | 4 | 0.03 | 1 | 0.02 | +http://getdownload.ws |
| 33 | 112 | 0.95 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 34 | 3 | 0.03 | 1 | 0.02 | +http://inload.me |
| 35 | 4 | 0.03 | 1 | 0.02 | +http://a14download.com |
| 36 | 2 | 0.02 | 0 | 0.00 | Windows Live Messenger 14.0.8117.0416 |
| 37 | 2 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 38 | 1 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 39 | 2 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 40 | 1 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 41 | 8 | 0.07 | 0 | 0.00 | +http://www.semrush.com/bot.html |
