Slow Google Pagespeed

This is strange. Could you please share more information (along with a screenshot)? It would help in debugging. Thanks.

I will keep the plugin activated for a while for you to perform the test

https://developers.google.com/speed/pagespeed/insights/?url=http%3A%2F%2Fpictoselector.eu%2Fwpswifty&tab=mobile

Seems that loading the js is one of the main reasons

Thanks a lot! This is helpful. We will fix this in next update.

Till then you may try one of plugins listed here: https://stackoverflow.com/questions/18944027/how-do-i-defer-or-async-this-wordpress-javascript-snippet-to-load-lastly-for-fas.

This has been fixed in the latest update. Thanks.

It has indeed been solved. Great!

Thank you for confirming.