How to permanently allow location access for a website in Safari 11? The method mentioned in this question no longer works:
How do I permanently allow a website to access my location?

Is there some way to achieve the same effective in High Sierra?
Open the website you want to permanently allow.  


Go to Safari preferences at top left under Safari. 
Click on Website tab.  
Click on Locations tab on left side.  
On currently opened websites, select Allow on the one that you want to permanently allow.