HI Mike,
Try maintenance..
From the Safari Menu Bar, click Safari / Empty Cache. When you are done with that...
from the Safari Menu Bar, click Safari / Reset Safari. Select the top 5 buttons and click Reset.
Safari add-ons can cause performance issues or other situations
Also, if you are running Safari in 64 bit mode, try running in 32-bit mode instead. Right or control click the Safari icon in the Applications folder, then click: Get Info In the Get Info window click the black disclosure triangle next to General so it faces down. Select 32 bit mode. Quit Safari then relaunch.
And go to ~/Library>Caches>com.apple.Safari folder. Move this file to the Trash. "Cache db"
Restart your Mac.
Carolyn 🙂