Slow Admin and site

I am wondering what would cause my control panel to be really slow. I've never had this problem until the last week or so, but now, even making a simple change to a product takes about 45 seconds or so to load, if it even does load - often, I'm getting an error message. I have no idea what could be going on here, my site has slowed down as well. Part of that may be do to my images, I am going through and optimizing them, but my site was never slow like it is now, and nothing's changed.

www.bellarosadesigns.com

Any ideas would be greatly appreciated!
Thank you ~ Cherie

I'd speak to your hosting site about these speed issues ...

I can run faster on sites with 1000s of products and attributes than you are running now ...

See if they can't put you on a less overloaded server or perhaps you may wish to look into one of our Certified Hosting sites from the Hosting link at the top of your screen ...