When we were checking our website using GTMatrix we got a very poor score from GTMatrix. One of the matrices was this “Add Expires headers” where got F sadly.
Following are the complains:
https://static.com/wp-content/cache/minify/3f101.css https://fonts.googleapis.com/css?family=Open+Sans%3A400%2C600&ver=5.3.2 https://static.com/wp-content/cache/minify/6ce23.css https://static.com/wp-content/cache/minify/0f1b5.js https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js https://connect.facebook.net/en_US/sdk.js https://static.com/wp-includes/js/wp-emoji-release.min.js?ver=5.3.2 https://static.com/wp-content/cache/minify/dfacc.js https://static.com/wp-content/cache/minify/3f9ed.js https://static.com/wp-content/cache/minify/70cb8.js https://adservice.google.com/adsid/integrator.js?domain=static.com ... ... ...
This above issues can be easily resolved by using .htaccess file. Inside the .htaccess file if we add the following line and check again then you will see a significany improvement: