In the Terminal window, I started the web server with sudo apachect1 start, supplied the password and then got:
/System/Library/LaunchDaemons/org.apache.httpd.plist: service already loaded
Then, in the Safari Smart Search field I entered:
Then I got:
In Terminal https -v is reported:
Server version: Apache/2.4.16 (Unix) Server built: Jul 31 2015 15:53:26
How can we fix this please? Thanks.

lsof -n -i | grep LISTEN? – bot47 Jan 09 '16 at 10:13ps -e | grep http? – bot47 Jan 09 '16 at 10:40