You can pay for a basic license of OpenDNS and &quot;null route&quot; (to a block page) ads at the device &#x2F; network level. Those preferences get synced to anycasted DNS resolvers and performance hits are negligible.<p>Some ideas here, but it&#x27;s pretty straightforward and functions just like their adult content blockers: <a href="http:&#x2F;&#x2F;iradar.blogspot.com&#x2F;2011&#x2F;07&#x2F;useful-free-tool-use-opendns-to-block.html" rel="nofollow">http:&#x2F;&#x2F;iradar.blogspot.com&#x2F;2011&#x2F;07&#x2F;useful-free-tool-use-open...</a>