For more information, please visit the following pages:

• Opera
• Opera Software ASA
• Presto

Latest user agents (if you are looking for complete list, download it here):

• Mozilla/5.0 (Windows NT 6.1; U; de; rv:1.9.1.6) Gecko/20091201 Firefox/3.5.6 Opera 11.01 IABrowser368e6542c03
• Opera/9.80 (Windows NT 6.1; U; en) Presto/2.7.62 Version/11.01(Linux LLC
• Opera/9.80 (Windows NT 6.1; U; en) Presto/2.7.62 Version/11.01(Linux LLC 1.2)
• Opera/9.80 (Windows NT 6.1; U; zh-cn) Presto/2.7.62 Version/11.01 IABrowser368c67556eb
• Opera/9.80 (Windows NT 6.1; U; sv) Presto/2.7.62 Version/11.01 IABrowser3681e5bbe73
• Opera/9.80 (Windows NT 5.1; U; cs) Presto/2.7.62 Version/11.01 IABrowser36896ada5df
• Opera/9.80 (Windows NT 5.1; U; Edition Campaign 21; pl) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; cs) Presto/2.7.62 Version/11.01 IABrowser36874265c43
• Opera/9.80 (Windows NT 6.1; U; cs) Presto/2.7.62 Version/11.01 IABrowser3684b01f4a2
• Opera/9.80 (Windows NT 5.1; U; Edition Campaign 02; pt) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.0; U; pl) Presto/2.7.62 Version/11.01 IABrowser36864557ba0
• Opera/9.80 (Windows NT 6.1; U; zh-cn) Presto/2.7.62 Version/11.01 IABrowser36874f79d84
• Opera/9.80 (Windows NT 6.1; U; cs) Presto/2.7.62 Version/11.01 IABrowser368247e150c
• Opera/9.80 (Windows NT 5.1; U; cs) Presto/2.7.62 Version/11.01 IABrowser36863d5185c
• Opera/9.80 (Windows NT 5.1; U;) Presto/2.7.62 Version/11.01 IABrowser368e01d7ae4
• Opera/9.80 (Windows NT 5.2; U; de) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.0; U; tr) Presto/2.7.62 Version/11.01
• Opera/9.80 (Macintosh; Intel Mac OS X 10_5_8; U; ro) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; Edition Campaign 08; en) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.2; WOW64; U; es-gt) Presto/2.9.181 Version/11.01
• Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; en) Opera 11.01
• Opera/9.80 (Windows NT 5.2; U; MRA 6.0 (build 6015); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.8 (build 4157); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; MRA 5.5 (build 02842); en) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.8 (build 4598); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; ; MRSPUTNIK OW 2, 3, 0, 288; MRA 5.7 (build 03789); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.0; U; MRA 5.7 (build 03686); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRSPUTNIK OW 2, 3, 0, 227; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; zh-cn) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.7 (build 03672); MRSPUTNIK OW 2, 3, 0, 218; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; MRA 6.0 (build 5754); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; MRA 5.6 (build 03278); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.0; U; MRA 5.7 (build 03672); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.0; U; MRA 5.7 (build 03658); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 6.2 (build 7314); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.9 (build 4953); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.9 (build 4876); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.7 (build 03755); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.7 (build 03649); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; MRA 6.1 (build 6669); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; Edition Indonesian Local; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; MRA 6.3 (build 8050); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; MRA 5.10 (build 5310); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.7 (build 03638); MRSPUTNIK OW 2, 3, 0, 213; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.5 (build 02842); MRSPUTNIK OW 2, 3, 0, 104; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; MRA 5.8 (build 4139); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; MRA 8.0 (build 6003); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 6.0 (build 5997); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; MRA 5.10 (build 5339); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.7 (build 03653); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; Distribution 00; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; MRA 6.2 (build 7314); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 6.0 (build 5972); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; Edition Yx; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; MRA 5.7 (build 03797); en) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.6 (build 03399); MRSPUTNIK OW 2, 3, 0, 104; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.3 (build 02564); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.6 (build 03402); MRSPUTNIK OW 2, 3, 0, 104; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.0; U; MRA 5.7 (build 03790); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRSPUTNIK OW 1, 0, 0, 25; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.2; U; en) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; Yandex Browser; en) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.0; U; MRA 5.4 (build 02647); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.0; U; en) Presto/2.7.62 Version/11.01
• Opera/9.80 (Macintosh; Intel Mac OS X 10.5.2; U; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; Edition Betanews; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; MRA 5.6 (build 03278); MRSPUTNIK OW 2, 2, 0, 94; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; MRA 5.7 (build 03686); en) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRSPUTNIK OW 2, 3, 0, 289; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; MRSPUTNIK OW 2, 3, 0, 289; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.6 (build 03402); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.0; U; MRA 5.5 (build 02743); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Macintosh; Intel Mac OS X 10.6.6; U; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.7 (build 03789); MRSPUTNIK OW 2, 3, 0, 104; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRSPUTNIK OW 2, 3, 0, 288; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.0; U; MRA 5.8 (build 3996); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; Edition Campaign 19; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Macintosh; Intel Mac OS X 10.6.3; U; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.0; U; MRA 5.6 (build 03402); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.4 (build 02644); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.6 (build 03278); MRSPUTNIK OW 2, 3, 0, 104; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; MRA 5.5 (build 02842); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.7 (build 03791); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.0; U; MRA 5.8 (build 3925); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRSPUTNIK OW 2, 3, 0, 238; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; Edition Campaign 19; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRSPUTNIK OW 2, 3, 0, 228; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; DefView; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; MRA 5.7 (build 03789); en) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRSPUTNIK OW 2, 3, 0, 288; MRA 5.7 (build 03797); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; MRA 5.4 (build 02647); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.4 (build 02650); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; ; MRSPUTNIK OW 2, 2, 0, 94; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.0; U; MRA 5.6 (build 03402); MRSPUTNIK OW 2, 3, 0, 289; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.0; U; MRA 5.7 (build 03773); en) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.0; U; MRA 5.7 (build 03796); en) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.1; U; MRSPUTNIK OW 2, 3, 0, 228; ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 5.1; U; MRA 5.7 (build 03773); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.0; U; MRA 5.7 (build 03797); ru) Presto/2.7.62 Version/11.01
• Opera/9.80 (Windows NT 6.0; U; MRA 5.3 (build 02564); ru) Presto/2.7.62 Version/11.01