url 
cache key None
real url None
error
url file://%(curdir)s/linkcheck/ftests/data/misc.html
cache key file://%(curdir)s/linkcheck/ftests/data/misc.html
real url file://%(curdir)s/linkcheck/ftests/data/misc.html
valid

url http://localhost:8001/
cache key http://localhost:8001/
real url http://localhost:8001/
error

url favicon.ico
cache key file://%(curdir)s/linkcheck/ftests/data/favicon.ico
real url file://%(curdir)s/linkcheck/ftests/data/favicon.ico
valid

url favicon.ico (cached)
cache key file://%(curdir)s/linkcheck/ftests/data/favicon.ico
real url file://%(curdir)s/linkcheck/ftests/data/favicon.ico
valid