"Older browsers" refers to web browsers that are outdated or not up to date. These browsers may lack the latest features, security updates, and may not be fully compatible with modern websites. Full definition
Some of the ATS features that manage the resume - upload page on most Web sites will not work with older browser versions. (theladders.com)
A word of caution, however, it can take up to 3 minutes for the feature to load on slower connections, and it may not work on older browsers. (realtormag.realtor.org)
This is because the use of older browsers to trade left a good number of them feeling exposed. (binarysoftware.org)