verify site accessibility

new_gist_file_1

wget -q --tries=2 --timeout=5 --spider $1|| echo "unaccessible";

site_accessibility

#!/bin/bash
isAccessible ()
{
    if [ "x$1" == "x" ]; then
        return 1
    fi
    accessible=0
    curl -s --head --retry 2 --retry-delay 1 -m 10 $1 -o /dev/null || accessible=1
    return ${accessible}
}
isAccessible ssssssssbaidu.com
if [ $? == 1 ];then
    echo "not accessible"
else
    echo "accesible"
fi