When looking at all HTTP headers, after so many years of probably doing the same, I realized that Referrer was misspelled. This wikipedia entry has some details on why, mostly attributable to the fact that ispell (?) did not recognize either word at the time.
1 comment
[ 3.0 ms ] story [ 11.3 ms ] threadAnyway, it's a fun fact of computer history :)
Relevant RFC: https://tools.ietf.org/html/rfc1945#section-10.13
Edit: added source RFC.