If you are applying online the cold truth is for any one position a company can get over 200 applications. Of these only 10% will ever be looked by a person with software filtering out the rest based criteria entered by the person posting the job. From here as little as two or three will ever actually be contacted. A better way is to build your professional network online through sites like LinkedIn. Additionally contact your school and see if they have a mentoring program. A good mentor in the field or job you want can help launch your career and be incredible. I am fortunate enough to have two ( one through my school ) and could not be more thankful for what they have taught me. More importantly to you they often can introduce you to other people in the field and build your professional network. That can lead to a job that was never posted online at all.

I hope this helps

Jason