Opera 663 User Agents in our database. This is a listing of only some of the most popular ones.
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.2357.125 Safari/537.36 OPR/663EE7A2E312
Opera 663 on Windows 7
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