After checking with google page speed, I found various issues that recommended
Optimize CSS Delivery of the following:
URL / …gular,700|Roboto:100,300|Milonga:regular
So, I installed Autoptimizer and refeshed the page to found that the slider does not work properly. Blank or /and dark black slides have been added in between real slides. Even after loading upfront, it does not allow to delete the slides.
Also it is requested to guide me as to how could I increase the page speed of my webpages.
Backend access has been activated to enable you to do the needful please.