Help with embedly cards plugin

hello guys...need your help...i activated Matt Beckett's embedly cards plugin. and i applied the setting "Render video links as embedded video for the following content types"  to blog although the embedly api works well but the plugin makes the website reload alot.thereby causing the website to hang......any advice..should i integrate the plugiin into my theme...please help!!!!!!

Performance and Scalability

Performance and Scalability

If you've got a need for speed, this group is for you.