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/9.43.(X11; Linux x86_64; wo-SN) Presto/2.9.185
• Opera/9.44.(Windows NT 5.0; eo-US) Presto/2.9.166
• Opera/9.44.(Windows 98; wae-CH) Presto/2.9.172 Version/12.00
• Opera/9.48.(Windows NT 5.01; fur-IT) Presto/2.9.175 Version/12.00
• Opera/9.45.(Windows NT 5.1; ru-UA) Presto/2.9.186 Version/10.00
• Opera/9.41.(Windows 95; mk-MK) Presto/2.9.187 Version/11.00
• Opera/9.41.(Windows NT 5.2; ur-IN) Presto/2.9.176
• Opera/9.42 (Macintosh; U; Intel Mac OS X 10_9_6; en-US) Presto/2.8.192
• Opera 9.4 (Windows NT 6.1; U;
• Opera/9.43.(X11; Linux x86_64; mg-MG) Presto/2.9.190 Version/12.00
• Opera/9.41.(Windows NT 5.2; ur-IN) Presto/2.9.176 Version/11.00
• Opera/9.42 (Macintosh; U; Intel Mac OS X 10_9_6; en-US) Presto/2.8.192 Version/10.00
• Opera/9.40.(Windows NT 5.0; ja-JP) Presto/2.9.185 Version/12.00
• Opera/9.40.(Windows NT 6.0; lb-LU) Presto/2.9.185 Version/10.00
• Opera/9.40.(Windows NT 6.0; os-RU) Presto/2.9.180 Version/11.00
• Opera/9.47.(Windows NT 6.1; ne-NP) Presto/2.9.160 Version/11.00
• Opera/9.45.(Windows 95; sq-AL) Presto/2.9.187 Version/11.00
• Opera/9.46.(Windows NT 10.0; dv-MV) Presto/2.9.180 Version/11.00
• Opera/9.4 (X11; Linux x86_64; U; SW Presto/2.9.183 Version/11.00)
• Opera/9.45 (Windows NT 5.1; U; EU Presto/2.9.190 Version/10.00)
• Opera/9.41 (Windows NT 5.3; U; AR Presto/2.9.164 Version/10.00)
• Opera/9.42 (Windows NT 5.3; U; LA Presto/2.9.187 Version/10.00)
• Opera/9.44 (Windows NT 6.0; U; FJ Presto/2.9.165 Version/11.00)
• Opera/9.46 (Windows NT 6.1; U; AN Presto/2.9.180 Version/12.00)
• Opera/9.48 (Windows NT 5.2; U; UZ Presto/2.9.164 Version/12.00)
• Opera/9.48 (Windows NT 6.3; U; AR Presto/2.9.160 Version/11.00)
• Opera/9.44 (Windows NT 6.1; U; GL Presto/2.9.173 Version/10.00)
• Opera/9.44 (Windows NT 5.0; U; NE Presto/2.9.167 Version/10.00)
• Opera/9.40 (Windows NT 5.0; U; BG Presto/2.9.178 Version/12.00)
• Opera/9.46 (Windows NT 5.2; U; TY Presto/2.9.178 Version/10.00)
• Opera/9.49 (Windows NT 5.0; U; SK Presto/2.9.162 Version/12.00)
• Opera/9.47 (Windows NT 5.3; U; YI Presto/2.9.170 Version/10.00)
• Opera/9.40 (Windows NT 6.0; U; EN Presto/2.9.183 Version/11.00)
• Opera/9.46 (Windows NT 5.2; U; SK Presto/2.9.163 Version/12.00)
• Opera/9.46 (Windows NT 6.0; U; YI Presto/2.9.183 Version/11.00)
• Opera/9.45 (Macintosh; Intel Mac OS X 10.9.6 U; MO Presto/2.9.189 Version/11.00)
• Opera/9.44 (Windows NT 5.2; U; NE Presto/2.9.170 Version/10.00)
• Opera/9.41 (Windows NT 6.2; U; KO Presto/2.9.174 Version/11.00)
• Opera/9.4 (Windows NT 5.1; U; SC Presto/2.9.177 Version/11.00)
• Opera/9.48 (X11; Linux x86_64; U; JA Presto/2.9.164 Version/11.00)
• Opera/9.44 (Windows NT 5.1; U; KA Presto/2.9.163 Version/11.00)
• Opera/9.47 (Windows NT 5.2; U; CS Presto/2.9.166 Version/11.00)
• Opera/9.44 (Windows NT 5.3; U; GL Presto/2.9.173 Version/11.00)
• Opera/9.43 (Windows NT 6.3; U; JA Presto/2.9.160 Version/10.00)
• Opera/9.42 (X11; Linux x86_64; U; ES Presto/2.9.181 Version/12.00)
• Opera/9.46 (Windows NT 5.1; U; FI Presto/2.9.166 Version/12.00)
• Opera/9.42 (Windows NT 6.1; U; CY Presto/2.9.162 Version/12.00)
• Opera/9.44 (X11; Linux x86_64; U; PL Presto/2.9.164 Version/11.00)
• Opera/9.42 (Windows NT 5.1; U; GD Presto/2.9.173 Version/12.00)
• Opera/9.46 (Windows NT 5.2; U; SR Presto/2.9.181 Version/10.00)
• Opera/9.4 (Windows NT 6.2; U; EO Presto/2.9.172 Version/12.00)
• Opera/9.49 (Windows NT 6.1; U; EN Presto/2.9.190 Version/12.00)
• Opera/9.46 (Windows NT 5.2; U; EL Presto/2.9.160 Version/11.00)
• Opera/9.40 (Windows NT 6.3; U; GD Presto/2.9.160 Version/12.00)
• Opera/9.45 (Windows NT 5.3; U; SL Presto/2.9.160 Version/12.00)
• Opera/9.44 (Windows NT 6.2; U; EU Presto/2.9.162 Version/11.00)
• Opera/9.43 (Windows NT 5.2; U; GV Presto/2.9.186 Version/12.00)
• Opera/9.45 (Windows NT 6.2; U; KU Presto/2.9.170 Version/10.00)
• Opera/9.40 (Windows NT 5.1; U; CY Presto/2.9.183 Version/10.00)
• Opera/9.48 (Windows NT 5.2; U; JA Presto/2.9.188 Version/12.00)
• Opera/9.41 (Windows NT 5.1; U; NN Presto/2.9.170 Version/11.00)
• Opera/9.40 (X11; Linux i686; U; AF Presto/2.9.179 Version/12.00)
• Opera/9.41 (Windows NT 6.1; U; LI Presto/2.9.184 Version/11.00)
• Opera/9.47 (Windows NT 5.1; U; KU Presto/2.9.174 Version/12.00)
• Opera/9.47 (Windows NT 5.0; U; HT Presto/2.9.179 Version/10.00)
• Opera/9.43 (Windows NT 5.3; U; BO Presto/2.9.184 Version/12.00)
• Opera/9.4 (Macintosh; Intel Mac OS X 10.5.8 U; DE Presto/2.9.160 Version/11.00)
• Opera/9.42 (Windows NT 6.2; U; RO Presto/2.9.190 Version/10.00)
• Opera/9.4 (Windows NT 5.3; U; KO Presto/2.9.161 Version/11.00)
• Opera/9.42 (Windows NT 5.1; U; SE Presto/2.9.179 Version/10.00)
• Opera/9.42 (Windows NT 6.3; U; LA Presto/2.9.184 Version/11.00)
• Opera/9.43 (Windows NT 6.2; U; SL Presto/2.9.161 Version/11.00)
• Opera/9.49 (Windows NT 6.0; U; LB Presto/2.9.167 Version/10.00)
• Opera/9.43 (Windows NT 6.2; U; CE Presto/2.9.168 Version/12.00)
• Opera/9.4 (Windows NT 5.3; U; MY Presto/2.9.176 Version/10.00)
• Opera/9.40 (Windows NT 5.0; U; LN Presto/2.9.177 Version/10.00)
• Opera/9.40 (Windows NT 5.2; U; LV Presto/2.9.167 Version/12.00)
• Opera/9.40 (Windows NT 5.3; U; BN Presto/2.9.187 Version/12.00)
• Opera/9.49 (Windows NT 6.2; U; KO Presto/2.9.189 Version/12.00)
• Opera/9.43 (Windows NT 5.1; U; NB Presto/2.9.181 Version/11.00)
• Opera/9.48 (Windows NT 5.0; U; YI Presto/2.9.187 Version/11.00)
• Opera/9.46 (Windows NT 5.3; U; BO Presto/2.9.165 Version/10.00)
• Opera/9.4 (Windows NT 6.2; U; NO Presto/2.9.181 Version/11.00)
• Opera/9.45 (Windows NT 5.2; U; ET Presto/2.9.167 Version/10.00)
• Opera/9.43 (Windows NT 5.1; U; GD Presto/2.9.167 Version/11.00)
• Opera/9.40 (Windows NT 5.2; U; PL Presto/2.9.189 Version/11.00)
• Opera/9.44 (Windows NT 5.1; U; MS Presto/2.9.162 Version/11.00)
• Opera/9.4 (Windows NT 6.3; U; HE Presto/2.9.167 Version/12.00)
• Opera/9.42 (Windows NT 6.3; U; UR Presto/2.9.166 Version/11.00)
• Opera/9.41 (Windows NT 6.0; U; CS Presto/2.9.168 Version/12.00)
• Opera/9.44 (Macintosh; Intel Mac OS X 10.9.4 U; KG Presto/2.9.168 Version/10.00)
• Opera/9.49 (Windows NT 6.0; U; KU Presto/2.9.189 Version/11.00)
• Opera/9.4 (Windows NT 6.1; U; FA Presto/2.9.163 Version/11.00)
• Opera/9.4 (Windows NT 6.3; U; RU Presto/2.9.177 Version/11.00)
• Opera/9.44 (Windows NT 5.0; U; HT Presto/2.9.179 Version/10.00)
• Opera/9.44 (X11; Linux i686; U; HY Presto/2.9.163 Version/10.00)
• Opera/9.42 (Windows NT 6.0; U; BG Presto/2.9.160 Version/12.00)
• Opera/9.45 (Windows NT 5.1; U; BE Presto/2.9.164 Version/10.00)
• Opera/9.47 (Windows NT 5.3; U; TY Presto/2.9.188 Version/12.00)
• Opera/9.45 (Windows NT 5.0; U; EO Presto/2.9.183 Version/12.00)