parts of page are not secure

Find url without SSL:
wget -q https://www.srv24x7.com -O - | tr "\t\r\n'" '   "' | grep -i -o '<a[^>]\+href[ ]*=[ \t]*"\(ht\|f\)tps\?:[^"]\+"' | sed -e 's/^.*"\([^"]\+\)".*$/\1/g' | sort | uniq | grep -v https