Many job applicants tend to give more attention to their pre-interview preparations such as appearance and composure.

But honestly, these two are not enough to win you the job. If you impress the hiring managers during interview, you've got to impress them to the end.

To drive home your impressive job interview performance, here are three things you should do before you leave the interview.

1. Ask questions

Before the interview ends, the hiring manager will always give you the opportunity to ask questions. And once you have this chance, it is important you seize the opportunity to shine. Don't ever say you have no question. Ask questions that will give you information that is not available on the company's website.

2. Summarize why you are the right person for the job

Since it is your time to talk, don't be shy to stress and assure your potential employers that you are the right applicant for the job. Be confident to talk about your talent and the key skills and experiences you'll bring to the table if you're employed.

3. Send a thank you e-mail

A lot of job applicants don't bother to send an email after their interviews. You can set yourself apart by sending a thank you email to the company as soon as the interview ends. If you can't make sure you send it within 24 hours after the interview.