What are third party scripts?

An external script is a java script file that is loaded into a web page to offer features that are not included in the website's basic functions.Added material a script that may be immediately integrated into any website by a third-party provided is reffered to as third-party javascript.

• They were contracted to create the website, but with performance in mind in particular. They were following the PWA path, but third-party scripts instantly hindered them. One of them, seemingly by necessity, couldn't be HTTPS, so disqualifying the site from being a PWA.