Code quality has remained at the same 5-year-old level and needs improvement. Currently, all JavaScript is packed into one huge file and loaded on every page, which is not good for performance.
As I can see it becomes much faster than before. There is a new widget Advanced slider based on simple scripts that can replace heavy and overcomplicated Revolution slider. and Page Speed results looks awesome now right after theme installation
As I can see in the latest Alysum update a great work regarding js scripts lazy loading was done. Now the theme load js features only in a moment when it's requested in UI. That make initial theme loading faster
As I can see Alysum developers preparing a lot of improvements in the next update https://alysum.promokit.eu/promokit/alysum-changelog.html And even so far I use Alysum theme it's super flexible and fast, just need to configure your prestashop caching correctly. As for the "Ecolife" the code is...