Check connectivity and show notification(MacOS)

connectivity_check.sh

#!/bin/bash
# Define domains to be checked
Domains=(http://example1.com https://example2.com)

# Title of Notification
TITLE="Site connectivity check"

# Sound are in /System/Library/Sounds
SOUND="Glass"

for N in "${Domains[@]}" ; do
	Domain=$N

	# Get HTTP status code using CURL
	Status_Code=$(curl --connect-timeout 3 -s -X GET -0 -H 'User-Agent:' -w %{http_code} -o /dev/null ${Domain})

	msg=''
	# Check if status code is between 200-300
	if [ "$Status_Code" -ge 200 ];then
        if [ "$Status_Code" -lt 300 ];then
			msg=''
		else
			msg="❌ ${Domain} returned ${Status_Code}"
			osascript -e 'display notification "'"$msg"'" with title "'"$TITLE"'" sound name "'"$SOUND"'"'
		fi
	fi
done

crontab

# Run script every 2 hours between 0-10 o'clock, every hour between 11-23 o'clock
0 0-10/2,11-23 * * * /bin/bash /path/to/connectivity_check.sh