How to bypass Mixed Content Blocking

Issue

• We are having an SSL enabled website which is calls to some other applications over http. While accessing the services the following error prompts in the browser.

Mixed Content: The page at 'https://abc.org/' was xyz.js
loaded over HTTPS, but requested an insecure XMLHttpRequest endpoint 'http://unsecure.org/request' This request has been blocked; the content must be served over HTTPS.”