For more information, please visit the following pages:

• Opera
• Opera Software ASA
• Presto

Latest user agents:

• Opera/7.21 (Windows NT 5.1; U) [en]
• Opera/7.21 (Macintosh; U; br)
• Opera/7.21 (Windows NT 5.1; U)
• Mozilla/5.0 (Windows NT 5.0; U) Opera 7.21 [en]