Is there an RFC, official standard, or template for creating a User Agent string? The iphone's user-agent string seems strange…
Mozilla/5.0 (iPhone; U; CPU iPhone OS 3_1_2 like Mac OS X; en-us) AppleWebKit/528.18 (KHTML, like Gecko) Version/4.0 Mobile/7D11 Safari/528.16
Best Answer
The
User-Agent
header is part of theRFC7231
, which is an improved version of theRFC1945
, where it states:Where
product
is defined as:And
comment
as: