All reports of bad-homepage for the archive. The extended description of this tag is:
The "Homepage:" field in this package's control file does not contain a valid absolute URL. Most probably you forgot to specify the scheme (e.g. http).
This tag is also triggered if the scheme is not known by Lintian.
Please file a bug against Lintian if this tag is triggered for a valid homepage URL.
This tag has not been emitted in any package tested by Lintian.