In what cases HTTP referer will be truncated
问题 I'm trying to understand the behavior of HTTP referer header. I noticed that sometimes the referer is full (full URL, including path and query string) but mostly it includes the domain only. For example 'https://www.google.com/' instead of 'https://www.google.com/search?q=http+referer+truncated&oq=http+referer+truncated&aqs=chrome..69i57.6485j0j1&sourceid=chrome&ie=UTF-8#q=http+referer+is+not+full' Are there any rules as to when the refere and is full and when it's truncated? 回答1: HTTP