anchor.diff:  43,xvideos.com,
   44,imdb.com,private
   45,google.es,"private, max-age=0"
  -46,apple.com,max-age=123
  +46,apple.com,max-age=68
   47,google.it,"private, max-age=0"
   48,xinhuanet.com,TIMED OUT
   49,amazon.co.jp,no-cache
   50,craigslist.org,"public, max-age=14400"
  -51,imgur.com,"max-age=120, s-maxage=120, public, must-revalidate"
  +51,imgur.com,"max-age=60, s-maxage=60, public, must-revalidate"
   52,neobux.com,"no-cache, no-store, must-revalidate, post-check=0, pre-check=0"
   53,stackoverflow.com,"public, max-age=60"
   54,xhamster.com,
  
positive.code: 23,bing.com,"private, max-age=0"
  24,vk.com,no-store
  25,ebay.com,
  26,sohu.com,TIMED OUT
  27,google.de,"private, max-age=0"
  28,pinterest.com,
  29,163.com,max-age=80
  
negative.code: 82,adobe.com,max-age=900
  83,godaddy.com,"no-cache, no-store, must-revalidate"
  84,pornhub.com,
  85,huffingtonpost.com,max-age=15
  86,google.com.au,"private, max-age=0"
  87,amazon.de,no-cache
  88,blogspot.in,"private, max-age=0"
  