The password 'B1ue$ky2023!' adheres to password best practices as it includes a mix of uppercase and lowercase letters, numbers, and special characters, making it complex. It's also longer than 8 characters which adds to its strength. The sequence '123456789' is easily guessable and does not include a mix of character types. 'Password' is a commonly used password and lacks complexity or number/symbol usage. 'SaraTech!' references personal information and only adds a single number and symbol, making it relatively weak compared to the use of random letters, numbers, and symbols found in 'B1ue$ky2023!'.