0.6s load time in GTMetrix after switching to https

I finally achieved 0.6s load time in GTMetrix after switching to https + doing some minor tweaks in my W3TC settings. Proof: https://gtmetrix.com/reports/www.jehzlau-concepts.com/WN5evABj. Now I need to minify and combine all CSS and JS files, Optimize the order of styles and scripts, then Specify image dimensions. Then that’s it. Maybe I’ll achieve 100% in both