As I was following through the tutorial on the Browser Caching with Nginx’s header Module on Ubuntu 16.04 https://www.digitalocean.com/community/tutorials/how-to-implement-browser-caching-with-nginx-s-header-module-on-ubuntu-16-04#step-4-—-testing-browser-caching,
it is successfully working for all file types except for the image types.
The Gtmetrix Speed tester is recommending to leverage the browser cache for images and showing expiration not specified for images.
How can I fix the issue to leverage browser caching for images?
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