3 ms·
$ diff -y -W $COLUMNS <(curl -Lvs https://www.google.com/ 2>&1) <(curl -Lvs http://www.google.com/ 2>&1) Edit: furthermore, with curl you can use options like
by Hello71 12y ago
$ diff -y -W $COLUMNS <(curl -Lvs https://www.google.com/ 2>&1) <(curl -Lvs http://www.google.com/ 2>&1)
Edit: furthermore, with curl you can use options like -b, -c, -d, which would all have to be reimplemented in your system.