Hello, Dear Demetrio!

Thank your for request.

1. First of all please install and activate WP Fastest Cache plugin: https://wordpress.org/plugins/wp-fastest-cache/ Read this tutorial about how to apply correct settings: https://justbrightme.com/wp-fastest-cache-settings/

2. Then optimize all images with the help of this plugin: https://wordpress.org/plugins/wp-smushit/

We recommend you to register this plugin in order to receive better image compression. Also read this tutorial about how to use this WP Smush it: https://www.hostpapa.com/knowledgebase/use-smush-image-compression-wordpress/

3. Specify missed dimensions for some images: https://wordpress.org/plugins/specify-image-dimensions/

4. Also eliminate Render-blocking Javascript: https://wordpress.org/plugins/async-javascript/

5. Besides you may use this plugin: https://wordpress.org/plugins/leverage-browser-caching/ in order to store static files of a website in visitor browser.

This plugin relieves your host from extra requests.

6. Also use CDN Cloudflare as additional measure, which can significantly increase your website speed: https://support.cloudflare.com/hc/en-us/articles/227634427-Using-Cloudflare-with-WordPress

After performing all these steps your website will loads faster.

Best Regards!