How to integrate twitter cards in to a magneto based shopping site?


hi , i want to link a magneto based e commerce website with twitter cards

i got the code , I hope which is right . any ideas or suggestions on how to add it to my website so i can keep a track of the traffic


<script src="//" type="text/javascript"></script>
<script type="text/javascript">
<img height="1" width="1" style="display:none;" alt="" src="" />