Imports golang.org/x/net/idna golang.org/x/net/html/charset golang.org/x/net/publicsuffix github.com/mat/besticon/colorfinder github.com/mat/besticon/ico github.com/PuerkitoBio/goquery github.com/golang/groupcache Standard library imports bytes encoding/json errors fmt io io/ioutil log net/http net/url os image/png image/color crypto/sha1 image/gif net/http/cookiejar image sort strconv strings time