[FIXED] WebSocket connection to ‘wss://public-api.wordpress.com/pinghub/wpcom/me
Here is the easy method
If you use the Jetpack plugin on your site, go to this page and deactivate the Notifications feature: https://yoursite.com/wp-admin/admin.php?page=jetpack_modules
[FIXED] WebSocket connection to ‘wss://public-api.wordpress.com/pinghub/wpcom/me