Q: problem now with Safari and opening websites

Please describe the issue in more detailed way?

Try to reset Safari settings:

1.Open Safari

2. Click on Safari menu at the top(to the right from the Apple logo)

3. Select preferences/privacy tab

4. Click on Remove all website data

5. Close Safari.

Delete Safari cache files:

1. Click on finder

2. Look for GO menu at the top

3. click on GO and hold down the option key. This will show user library folder.

4. Click on Library and look for Caches folder

5. In caches folder open com.apple.Safari folder

6. Move to trash Cache.db file.

This should solve the issue. If it will not help try to turn off Safari extentions

1.Open Safari

2. Click on Safari menu at the top(to the right from the Apple logo)

3. Select preferences

4. Find extentions tab

5. Turn off all the extentions

6. Relauch Safari

Safari - Unsupported third-party add-ons may cause Safari to unexpectedly quit or have performance issues

Safari doesn't load a page or webpage items are missing

Safari/other browsers – Website not loading

Click on go > hold option key & don't release it > library > preferences > right click on com.apple.safari.plist & move to trash .also remove contents of caches , cookies , saved application state into trash .

Restart from apple logo & empty the trash .

Note : if above method  doesn't work , in user library > right click on the folder safari & move to trash .

Restart from apple logo & empty the trash , also uninstall any third party software /apps , antivirus from  the system .