Hello,

Sorry but i cant see your website if you dont send to us your online link.

Regards!

Hello,

I recommend you to install the Jetpack plugin that is free and offer a free cdn service.

The only slow speed of the website is caused by the size of the images :

	
…11/1TK5035_a_ed_257-min.jpg(futureofeducation.de)
1,430 KB
1,427 KB
	
…11/DSC731757-min.jpg(futureofeducation.de)
841 KB
835 KB
	
…11/Neumann_Martin_Copyright-min.jpg(futureofeducation.de)
808 KB
803 KB
	
…11/FOM-Muenc….jpg(futureofeducation.de)
787 KB
782 KB
	
…11/Holfelder_946a5454d057.png(futureofeducation.de)
524 KB
457 KB
	
…11/Pngr.png(futureofeducation.de)
302 KB
263 KB
	
…11/Holfelder_946a5454d057777.png(futureofeducation.de)
240 KB
209 KB

The images size need to be lower than 100kb. Some of the images above are more than 1MB.

I recommend you also to install w3total cache plugin.

How i increased more than 70% the speed of my website

Best Free CDN for WordPress 2018

Let us know.

Regards!