Defer Parsing of JavaScript in Upfront

Does Hummingbird Defer Parsing of JavaScript built in? When I run my website through GtMetrix, it say the following:

1.9MiB of JavaScript is parsed during initial page load. Defer parsing JavaScript to reduce blocking of page rendering.

https://s.ytimg.com/yts/jsbin/player-en_US-vflgFv_Kx/base.js (1.0MiB)
https://www.facebook.com/rsrc.php/v3iaFb4/yy/l/en_US/cMPlAnUHV2O.js (169.4KiB)
https://www.facebook.com/rsrc.php/v3/yR/r/nhoKbn7B_F7.js (144.7KiB)
https://www.facebook.com/rsrc.php/v3/yr/r/rK_zv9ITEYo.js (141.9KiB)
https://www.facebook.com/rsrc.php/v3igi54/yi/l/en_US/UMiG10GEGFZ.js (113.3KiB)
https://s.ytimg.com/yts/jsbin/www-embed-player-vflidUYtM/www-embed-player.js (97.0KiB)
https://www.facebook.com/rsrc.php/v3i58P4/y9/l/en_US/7HBZ_I01UV0.js (95.6KiB)
https://www.facebook.com/rsrc.php/v3iaES4/yk/l/en_US/epBXpaFfVuo.js (80.3KiB)
https://www.facebook.com/rsrc.php/v3/yn/r/p483VP-60Km.js (29.0KiB)
https://www.facebook.com/v2.5/plugins/page.php?adapt_container_width=true&container_width=285&width=285&height=485&hide_cover=true&href=https%3A%2F%2Fwww.facebook.com%2Fkothandgregory&show_facepile=true&show_posts=true&small_header=true (16.5KiB of inline JavaScript)
https://www.facebook.com/rsrc.php/v3i4lc4/yP/l/en_US/Jrh4y9c-XLA.js (12.6KiB)
https://www.facebook.com/rsrc.php/v3/y4/r/k7fn4AZVAGG.js (3.4KiB)
https://www.facebook.com/rsrc.php/v3/yX/r/3UV3QpFRThs.js (2.7KiB)
https://www.youtube.com/embed/NGhx1bLyD7g?modestbranding=1 (1.9KiB of inline JavaScript)

How can I fix these issues? Alex told me in Live Support to check out this link: http://matthewhorne.me/defer-async-wordpress-scripts/

But, I have no clue what scripts to look at for the files listed.