leverage cache

Leverage browser caching for the following cacheable resources:

https://www.googletagmanager.com/gtag/js?id=UA-171499919-1 (15 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://healthytechy.com/wp-content/cache/autoptimize/css/autoptimize_1148e36b1ed3855e3feedcaa7b463103.css (4 hours)
https://healthytechy.com/wp-content/themes/hueman/assets/front/css/font-awesome.min.css?3.6.1 (4 hours)
https://healthytechy.com/wp-content/uploads/2020/08/cropped-icon-1-32×32.png (4 hours)

gt metrix giving me this error
please help

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