diff --git a/Mk/Scripts/create-manifest.sh b/Mk/Scripts/create-manifest.sh
--- a/Mk/Scripts/create-manifest.sh
+++ b/Mk/Scripts/create-manifest.sh
@@ -52,7 +52,7 @@
 EOT
 
 # Then, the optional bits
-[ -z "${dp_WWW}" ] || echo "www: \"${dp_WWW}\""
+[ -z "${dp_WWW}" ] || echo "www: \"${dp_WWW%% *}\""
 [ -z "${dp_LICENSE}" ] || echo "licenses: [ ${dp_LICENSE} ]"
 [ -z "${dp_USERS}" ] || echo "users: [ ${dp_USERS} ]"
 [ -z "${dp_GROUPS}" ] || echo "groups: [ ${dp_GROUPS} ]"
@@ -89,7 +89,9 @@
 cp ${dp_DESCR} ${dp_METADIR}/+DESC
 if [ -n "${dp_WWW}" ] && ! grep -q '^WWW: ' ${dp_DESCR}; then
 	echo >> ${dp_METADIR}/+DESC
-	echo "WWW: ${dp_WWW}" >> ${dp_METADIR}/+DESC
+	for www in ${dp_WWW}; do
+		echo "WWW: ${www}" >> ${dp_METADIR}/+DESC
+	done
 fi
 
 # Concatenate all the scripts
diff --git a/Mk/Uses/pear.mk b/Mk/Uses/pear.mk
--- a/Mk/Uses/pear.mk
+++ b/Mk/Uses/pear.mk
@@ -40,6 +40,8 @@
 EXTRACT_SUFX?=	.tgz
 DIST_SUBDIR?=	PEAR
 
+WWW?=		https://pear.php.net/package/${PORTNAME}/
+
 .      if empty(php_ARGS:Mphpize)
 NO_BUILD=	yes
 .      endif
diff --git a/Mk/Uses/python.mk b/Mk/Uses/python.mk
--- a/Mk/Uses/python.mk
+++ b/Mk/Uses/python.mk
@@ -532,6 +532,9 @@
 # Used for recording the installed files.
 _PYTHONPKGLIST=	${WRKDIR}/.PLIST.pymodtmp
 
+# Default documentation URL if not set in the port
+WWW?=		https://pypi.org/project/${PORTNAME}/
+
 # Ports bound to a certain python version SHOULD
 # - use the PYTHON_PKGNAMEPREFIX
 # - use directories using the PYTHON_PKGNAMEPREFIX
diff --git a/Mk/bsd.port.mk b/Mk/bsd.port.mk
--- a/Mk/bsd.port.mk
+++ b/Mk/bsd.port.mk
@@ -3567,6 +3567,8 @@
 .      endif
 .    endif
 
+_WWW=	${WWW:[1]}
+
 .    if !defined(DISABLE_SECURITY_CHECK)
 .      if !target(security-check)
 security-check: ${TMPPLIST}
@@ -4287,7 +4289,7 @@
 			dp_PORT_OPTIONS='${PORT_OPTIONS}'                     \
 			dp_PREFIX='${PREFIX}'                                 \
 			dp_USERS='${USERS:u:S/$/,/}'                          \
-			dp_WWW='${_WWW}'                                      \
+			dp_WWW='${WWW}'                                       \
 			${PKG_NOTES_ENV}                                      \
 			${SH} ${SCRIPTSDIR}/create-manifest.sh
 
@@ -4351,7 +4353,6 @@
 _LIB_DEPENDS=${LIB_DEPENDS:C/^[^ :]+:([^ :@]+)(@[^ :]+)?(:[^ :]+)?/\1/:O:u:C,(^[^/]),${PORTSDIR}/\1,}
 _BUILD_DEPENDS=${BUILD_DEPENDS:C/^[^ :]+:([^ :@]+)(@[^ :]+)?(:[^ :]+)?/\1/:O:u:C,(^[^/]),${PORTSDIR}/\1,} ${_LIB_DEPENDS}
 _RUN_DEPENDS=${RUN_DEPENDS:C/^[^ :]+:([^ :@]+)(@[^ :]+)?(:[^ :]+)?/\1/:O:u:C,(^[^/]),${PORTSDIR}/\1,} ${_LIB_DEPENDS}
-_WWW=${WWW}
 .      if exists(${DESCR})
 _DESCR=${DESCR}
 .      else
diff --git a/Mk/bsd.sites.mk b/Mk/bsd.sites.mk
--- a/Mk/bsd.sites.mk
+++ b/Mk/bsd.sites.mk
@@ -449,6 +449,9 @@
 .    endif
 convert-to-gh-tuple:
 	@${ECHO_MSG} ${GH_ACCOUNT}:${GH_PROJECT}:${GH_TAGNAME} ${_GH_TUPLE_OUT:S/\/$//}
+.    if !defined(WWW)
+WWW=	https://github.com/${GH_ACCOUNT}/${GH_PROJECT}/
+.    endif
 .  endif # defined(USE_GITHUB)
 .endif # !defined(IGNORE_MASTER_SITE_GITHUB)
 
@@ -579,6 +582,9 @@
 	@${ECHO_MSG} "Cloned the ${_group} GitLab repository into ${_GITLAB_CLONE_DIR}/${GL_PROJECT_${_group}}" | ${FMT_80}
 .      endfor
 .    endif
+.    if !defined(WWW)
+WWW=	https://gitlab.com/${GL_ACCOUNT}/${GL_PROJECT}/
+.    endif
 .  endif # defined(USE_GITLAB)
 .endif # !defined(IGNORE_MASTER_SITE_GITLAB)
 
@@ -862,6 +868,9 @@
 .  else
     MASTER_SITE_PERL_CPAN=${MASTER_SITE_PERL_CPAN_BY:S/%CPANSORT%/${_PERL_CPAN_SORT}/:S/%SUBDIRPLUS%\///}
 .  endif
+.  if !defined(WWW)
+WWW=	https://search.cpan.org/dist/${PORTNAME}/
+.  endif
 
 .endif