Search Console Mobile Experience

Hi. We have published the website but we are a bit disappointed about search console results. Mobile and desktop experience is really low…20 % out of 100 %. How can we solve this? I got the following list of fixes, can you guide us to understand what they are and fix them?

(we have deleted also all animations )

Minifying http://touchsystems.co.uk/…poser/assets/css/js_composer.css?ver=4.7 could save 53.2KiB (7% reduction).
Minifying http://touchsystems.co.uk/wp-content/themes/fortuna/style.css could save 38.8KiB (17% reduction).
Minifying http://touchsystems.co.uk/…unds_vc/assets/css/animate.css?ver=4.3.1 could save 21.9KiB (25% reduction).
Minifying http://touchsystems.co.uk/…public/assets/css/settings.css?ver=5.0.6 could save 7KiB (22% reduction).
Minifying http://touchsystems.co.uk/…tcodes/css/frontend-render.css?ver=4.3.1 could save 6.6KiB (10% reduction).
Minifying http://touchsystems.co.uk/…una/stylesheets/animations.css?ver=4.3.1 could save 2.2KiB (19% reduction).
Minifying http://touchsystems.co.uk/…rounds_vc/assets/css/style.css?ver=4.3.1 could save 1.9KiB (21% reduction).
Minifying http://touchsystems.co.uk/…tylesheets/grid_responsive.css?ver=4.3.1 could save 1.8KiB (18% reduction).
Minifying http://touchsystems.co.uk/…ssets/css/background-style.css?ver=4.3.1 could save 1.7KiB (19% reduction).
Minifying http://touchsystems.co.uk/…s/fortuna/stylesheets/grid.css?ver=4.3.1 could save 766B (38% reduction).