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):

• Opera/9.80 (Macintosh; Intel Mac OS X; U; en) Presto/2.5.24 Version/10.53
• Opera/10.53 (Windows NT 6.1; U; AZ Presto/2.9.167 Version/11.00)
• Opera/10.53 (Windows NT 6.2; U; MK Presto/2.9.180 Version/12.00)
• Opera/10.53 (Windows NT 6.2; U; KY Presto/2.9.166 Version/12.00)
• Opera/10.53 (Windows NT 5.1; U; NO Presto/2.9.168 Version/11.00)
• Opera/10.53 (Windows NT 5.2; U; RU Presto/2.9.187 Version/11.00)
• Opera/10.53 (Windows NT 6.0; U; YI Presto/2.9.168 Version/12.00)
• Opera/10.53 (Windows NT 5.0; U; BR Presto/2.9.162 Version/10.00)
• Opera/10.53 (Windows NT 5.2; U; ZH Presto/2.9.179 Version/11.00)
• Opera/10.53 (Windows NT 5.0; U; FO Presto/2.9.176 Version/10.00)
• Opera/10.53 (X11; Linux x86_64; U; ID Presto/2.9.183 Version/12.00)
• Opera/10.53 (Windows NT 6.1; U; AR Presto/2.9.173 Version/10.00)
• Opera/10.53 (Windows NT 6.3; U; LB Presto/2.9.179 Version/12.00)
• Opera/10.53 (Windows NT 6.1; U; GV Presto/2.9.175 Version/11.00)
• Opera/10.53 (X11; Linux x86_64; U; UK Presto/2.9.190 Version/12.00)
• Opera/10.53 (Windows NT 6.3; U; CO Presto/2.9.177 Version/11.00)
• Opera/10.53 (Windows NT 5.0; U; HR Presto/2.9.171 Version/11.00)
• Opera/10.53 (Windows NT 5.0; U; AN Presto/2.9.178 Version/12.00)
• Opera/10.53 (Windows NT 5.0; U; KO Presto/2.9.184 Version/12.00)
• Opera/10.53 (Windows NT 6.1; U; NE Presto/2.9.163 Version/11.00)
• Opera/10.53 (Windows NT 6.0; U; IT Presto/2.9.189 Version/10.00)
• Opera/10.53 (Windows NT 5.1; U; PT Presto/2.9.179 Version/12.00)
• Opera/10.53 (Windows NT 6.0; U; AR Presto/2.9.170 Version/11.00)
• Opera/10.53 (Windows NT 6.0; U; ZH Presto/2.9.186 Version/10.00)
• Opera/10.53 (X11; Linux i686; U; AZ Presto/2.9.173 Version/12.00)
• Opera/10.53 (Windows NT 6.1; U; NN Presto/2.9.173 Version/12.00)
• Opera/10.53 (Windows NT 6.3; U; SW Presto/2.9.189 Version/11.00)
• Opera/10.53 (Windows NT 6.1; U; TY Presto/2.9.188 Version/11.00)
• Opera/9.80 (Windows NT 5.1; U; MRA 5.7 (build 03639); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.1; U; MRA 5.7 (build 03686); en) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.1; U; MRA 8.1 (build 6277); ru) Presto/2.5.24 Version/10.53
• Mozilla/5.0 (Windows NT 5.1; U; ru; rv:1.9.1.6) Gecko/20091201 Firefox/3.5.6 Opera 10.53
• Opera/9.80 (Windows NT 5.1; U; YB/5.0.3; ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 5.10 (build 5218); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 8.0 (build 5861); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 6.0 (build 5997); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 5.8 (build 4133); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.0; U; MRA 5.5 (build 02842); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 8.1 (build 6341); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 5.7 (build 03791); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.1; U; MRA 6.0 (build 5966); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Macintosh; Intel Mac OS X; U; ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 5.5 (build 02828); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.1; U; MRA 5.6 (build 03278); MRSPUTNIK OW 2, 2, 0, 94; ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 5.3 (build 02564); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 5.7 (build 03797); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.1; U; MRA 5.7 (build 03639); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 5.7 (build 03796); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.0; U; ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; Yandex Browser; ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 5.6 (build 03278); MRSPUTNIK OW 2, 2, 0, 94; ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 5.4 (build 02647); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; YB/3.5.1; ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 5.5 (build 02842); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.0; U; ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.0; U; MRA 5.3 (build 02552); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.0; U; MRA 5.8 (build 4139); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 6.2 (build 7387); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.1; U; MRA 5.7 (build 03686); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 5.10 (build 5196); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.0; U; MRA 5.10 (build 5265); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.1; U; MRA 8.2 (build 6901); ru) Presto/2.5.24 Version/10.53
• Mozilla/5.0 (Windows NT 5.1; U; Firefox/5.0; en; rv:1.9.1.6) Gecko/20091201 Firefox/3.5.6 Opera 10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 5.7 (build 03790); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.0; U; en) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.0; U; ja) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; ru) Presto/2.5.24 Version/10.53;2043925204;2043925204
• Opera/9.80 (Windows NT 6.0; U; de) Presto/2.5.24 Version/10.53
• Mozilla/5.0 (Windows NT 5.1; U; Firefox/4.5; en; rv:1.9.1.6) Gecko/20091201 Firefox/3.5.6 Opera 10.53
• Opera/9.80 (Windows NT 6.0; U; MRA 6.0 (build 5976); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.2; U; MRA 6.0 (build 5754); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.0; U; ru) Presto/2.5.24 Version/10.53;A491357429751
• Opera/9.80 (Windows NT 6.0; U; MRA 6.0 (build 5998); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 5.9 (build 4953); ru) Presto/2.5.24 Version/10.53
• Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; ru) Opera 10.53
• Opera/9.80 (Windows NT 6.2; U; MRA 5.10 (build 5196); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.0; U; ka) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 5.6 (build 03402); MRSPUTNIK OW 2, 3, 0, 104; ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.0; U; MRA 5.10 (build 5244); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.1; U; MRA 5.6 (build 03402); MRSPUTNIK OW 2, 3, 0, 104; ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.1; U; MRA 5.7 (build 03649); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.1; U; YB/3.5.1.0; ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; ; MRSPUTNIK OW 2, 3, 0, 104; ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.0; U; MRA 5.4 (build 02647); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 5.5 (build 2842); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRSPUTNIK OW; ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.0; U; MRA 5.6 (build 03402); MRSPUTNIK OW 2, 3, 0, 104; ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.0; U; MRA 5.5 (build 02842); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.2; U; MRA 6.0 (build 5754); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.1; U; MRA 5.5 (build 02828); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 5.6 (build 03278); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.2; U; ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.1; U; de) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.1; U; MRA 5.7 (build 03755); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.1; U; MRA 5.6 (build 03402); en) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.2; U; MRA 5.4 (build 02647); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.1; U; MRA 5.10 (build 5310); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.0; U; MRA 5.6 (build 03394); MRSPUTNIK OW 2, 3, 0, 104; ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 5.0; U; MRA 5.10 (build 5310); ru) Presto/2.5.24 Version/10.53
• Opera/9.80 (Windows NT 6.1; U; MRSPUTNIK OW 2, 3, 0, 21; ru) Presto/2.5.24 Version/10.53