Can your plugin defer 3rd party Javascript?

Hi Folks,

Our GTMetrix report is here, it shows the following JS files were not served deferred:

https://ajax.googleapis.com/ajax/libs/jqueryui/1.10.3/jquery-ui.min.js (194.7KiB)
https://forms.ontraport.com/v2.4/include/minify/?g=genjs-v3 (107.7KiB)
https://www.insightdesign.com.au/wp-includes/js/jquery/jquery.js (87.0KiB)
https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js (85.0KiB)
https://www.insightdesign.com.au/wp-content/themes/Divi_Group/includes/lightbox/mgf.jquery.js (17.6KiB)
https://optassets.ontraport.com/opt_assets/blocks/common/jQueryPageBackgroundPro/js/libs/underscore.js (13.1KiB)
https://app.ontraport.com/js/globalize/globalize.js (12.6KiB)
https://www.insightdesign.com.au/wp-includes/js/jquery/jquery-migrate.min.js (7.7KiB)
https://www.insightdesign.com.au/ (4.3KiB of inline JavaScript)
https://forms.ontraport.com/v2.4/include/formEditor/genlightbootstrap.php?uid=p2c187780f18&formType=modal&formGUID=OPF_88d8f237-0cb0-5ea2-5cca-d464e90520b7&referer=https%3A%2F%2Fwww.insightdesign.com.au%2F&formceptionID=formception-ae01c852-c3aa-8528-2695-74d8f3468967&__opv=v1 (3.8KiB of inline JavaScript)
https://vars.hotjar.com/box-d743cafc9d1fb7eed204caa92025802f.html (1.5KiB of inline JavaScript)
https://optassets.ontraport.com/opt_assets/blocks/common/jQueryCloneVal/jquery-cloneVal.js (1.4KiB)

Can your plugin serve these 3rd party scripts deferred?

Thanks,
Steve