Staging cache problems

Leverage browser caching for the following cacheable resources:
http://name13.staging-taho2.in6k.com/assets/logins-1eb200bb169ccbdde3524d6c72b7535b.js (expiration not specified)
http://name13.staging-taho2.in6k.com/images/logins/input_img.png (expiration not specified)
http://name13.staging-taho2.in6k.com/images/logins/loader.gif (expiration not specified)
http://name13.staging-taho2.in6k.com/images/logins/login_button_en.png (expiration not specified)
http://name13.staging-taho2.in6k.com/images/logins/logins_img_body.png (expiration not specified)
http://name13.staging-taho2.in6k.com/images/logins/logins_img_footer.png (expiration not specified)
http://name13.staging-taho2.in6k.com/images/logins/logins_img_head.png (expiration not specified)
https://s3.eu-central-1.amazonaws.com/images2domain/35_name13_13.png (expiration not specified)