Re: Ad blocking extensions for OS X El Capitan

[Sabahattin Gucukoglu]

Hi Grant,

Briefly there are two ways to do ad-blocking in Safari: event-based and 
list-based.  The event-based method is exclusive to OS X and has been around 
for quite a bit; the list-based method is new to iOS 9 and OS X El Capitan.  
The market on the Mac has been served by event-based ad blockers for a while 
now, and thus the list-based extensions (which are fewer and more limited) are 
not as popular or well-known.  On iOS, of course, where ad blocking is now 
possible, it’s a different story altogether.  Event-based blockers are script, 
as any other extension is.  On iOS, the list-based blockers maintain the lists 
for use by Safari; there is therefore no way for ad-blocking, by itself, while 
you are in Safari, to communicate with the network.  On mac the lack of 
compartmentalisation means that anything is possible, regardless of whether 
Safari uses the same mechanism.  Still, unless you are careless, I doubt you 
have anything to fear from any ad-blocking on that platform.

My preference is the old-style AdBlock (not AdBlock Plus, although nowadays the 
differences are few).  There are others out there, but I appreciate the 
maintenance profile of AdBlock; it’s mostly set and forget.  My network is also 
doing ad-blocking at the DNS level, so many iOS apps suddenly can’t get their 
ads anymore (sorry guys, but it is the path you have chosen).  Doubtless many 
other iOS users will be feeling the same joy when they discover that webviews 
now get Safari’s ad-blocking; webviews are how many apps display their ads.  
Oh, and it helps that Apple is disbanding iAd.

Cheers,
Sabahattin

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Re: Ad blocking extensions for OS X El Capitan

[Jeffrey Shockley]

Hi,
One I've been using for a while on both Windows and Mac is Adblock Plus from
https://adblockplus.org/
It seems to work well, and is easily configurable. It's been around for 
a few years now.

I hope this helps,
Jeffrey

On 1/19/2016 12:23 AM, Grant wrote:

Hi all,

I’m sure you all know that with iOS 9 and OS X El Capitan came new 
content blocking extensions.


With iOS, it is clearly stated that content blocking extensions are 
only filters and can’t send any information about what was blocked 
back to the app. However, with OS X I’m not sure what the situation 
is. There are lots of new ad blocking extensions that you can download 
from the Safari extensions gallery, some of which seem to include web 
components, toolbars, and the like.


Which ones have people found to be worthwhile? Is there any way to 
tell what data they can collect and what else they might be 
installing? Is there somewhere I can read up on how the new content 
blockers for OS X work and what they’re permitted to do?


Thanks so much,

Grant

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