How to block specific websites on Safari Mac?

Hurling insults at me, too, and making them personal?

What purpose does this serve?

This is a place to find help, not get insulted. If you can't help folks and feel a need to lash out, go buy a punching bag or something... please...

Anyway, go to /private/etc/hosts file. I like to use TextWrangler for such edits instead of terminal editors. TextWrangler is free and it is a fabulous tool. It will ask you if it is OK to unlock the file to edit. Certainly you do... You can see the format for how to make the entries. When done, you save it and then you need to flush the active cache for this to take effect right away. You do this from terminal. You can skip the part when I add a semi-colon and have it issue a voice command saying the task is completed. Just type in: sudo dscacheutil -flushcache;sudo killall -HUP mDNSResponder

Press enter...

The above works for OS X 10.5 and newer. If you have an older version, Google is your friend...

What you are doing is this.... When your computer browser initiates a request for a web address, the host name (mackeeper.com for example) must first be resolved to an IP address (54.175.172.236 for example). Your computer first looks to its DNS cache, the fastest possible lookup. If not there, then it looks to the hosts file. If there, then you are done. If not, then it makes a query to the DNS server. So, by flushing your cache and placing an entry in your hosts file, you then force the call for mackeeper.com or any in your list to simply direct the request back to your local machine. Bam... pest removed.. After a while, they may re-appear under a slight variation of the name. So you'll have to carefully watch the name that appears in the web address and then add it to your list.

Self Control was easy to set up, and it works. Thanks for the link. Now I can get off eBay👿 and get some work done.

acutally, it's well explained here:

https://www.igeeksblog.com/how-to-block-websites-on-safari-on-mac-os-x-yosemite/

basically, you edit the /etc/hosts and put the domain names there to your localhosts ip address. Also, the parental controls are explain (I understood you don't want that) and the app you might be looking for is "self control"

I installed a Safari extension called WasteNoTime that allows you to block websites individually and/or set timers limiting the amount of time you spend on those sites. Very handy so far.

Actually there is and it's called WasteNoTime Safari extension. You can either block a website all together or limit the time you spend on it. It's a great extension.

Some people are clever enough to make a business that answer people's needs, other just give them lesson on "self-discipline". There are many reasons why this user may want to block a website that do not involve a lack of control. You don't need to be self-sufficient in your replies. Either you know how to help and you help or you don't. that's the spirit of a community.

I have this question too, and don't understand why people are saying AdBlock offers a solution. *My* copy of AdBlock doesn't offer any way to block websites - only ads.