I figured it out.
This is because a lot of your file request are getting a 4XX, 5XX response or can’t be loaded.
I started looking further and realized some of your js/css is being loaded properly. However some of it is not. The files that are not being loaded have a :443 extension to them.
www.yadezra.org.il:443/wp-content/themes/gorising/js/jquery.downCount.js?ver=4.3.1
However this works fine and is what you should be loading
www.yadezra.org.il/wp-content/themes/gorising/js/jquery.downCount.js?ver=4.3.1
You will need to figure out why :443 is being added and how you can get rid of it. I suggest deactivating all your plugins and using process of elimination to see one of them is causing the issue.
If it is not a plugin you should check out your http/https configuration and your .htaccess files. Ask your host if your not familiar with servers or have someone assist.
If all that fails it could very well be a theme issue. I did some research on the theme and noticed people complaining about loading issues for over a year and it doesn’t have the best ratings.
You can use pingdom.com to see some more detailed information about files being loaded like I did in the screenshot above.