Web application compatibility is with which browsers and state their oldest versions please?

ZingHR optimizes its code for the following browsers only: Google Chrome, Oldest Version V35.0 and above;Firefox, Oldest Version V28.0 and above; Internet Explorer, IE 11 and above. ZingHR does not invest its resources on optimization and testing processes for any bugs or issues that get generated and reported by customers for any other browser or previous versions of the above browsers both for its mobile and web applications. Kindly note and keeping checking on this FAQ portal for the latest updates on this.