Q: problem with safari

Please try trouble shooting steps given in these articles.

Safari 9 (El Capitan): If Safari can’t open a website

https://support.apple.com/kb/PH21431?viewlocale=en_US&locale=en_US

If Safari doesn‘t load a page or webpage items are missing

https://support.apple.com/en-us/HT204098

If Safari is slow, stops responding, quits unexpectedly, or has other issues

https://support.apple.com/en-us/HT203353

If this doesn’t help, please run EtreCheck and post the report here.

http://etresoft.com/etrecheck

Download it, open Downloads folder, click on it to open and select ”Open”.

“Choose a problem” from the popup menu box and then “Start EtreCheck” in the dialog.

Click “Share Report” button in the toolbar, select “Copy to Clipboard”

and then paste it when you reply.