zachleat,
@zachleat@zachleat.com avatar

Seeing some discussion about iOS 17’s Safari Advanced Tracking and Fingerprinting Protection feature.

Is there any documentation on what this actually does, practically speaking?

matthiasott,
@matthiasott@mastodon.social avatar

@zachleat Asking this question doesn’t sound suspicious at all, Zach… 😁

zachleat,
@zachleat@zachleat.com avatar

@matthiasott I am genuinely curious!

matthiasott,
@matthiasott@mastodon.social avatar

@zachleat All I know is that it removes tracking parameters from URLs. But I guess which params it removes is a company secret. 🤫

matthiasott,
@matthiasott@mastodon.social avatar
zachleat,
@zachleat@zachleat.com avatar

@matthiasott mmhmmmmmm blink twice if it sounds like you-tee-emm-underscare

matthiasott,
@matthiasott@mastodon.social avatar

@zachleat 🤔 According to Matomo, UTMs should still work (for now) but for other ad-related params “iOS 17 presents a challenge”:

https://matomo.org/blog/2023/09/ios-17/

zachleat,
@zachleat@zachleat.com avatar

@matthiasott Wow! That arbitrary line seems to open themselves up to legal action (note: IANAL)

d,

@zachleat
From the reading I’ve done (including that Matamo article) it looks like tracking parameters aren’t effected unless they look like they’re tracking a single person. I did some experiments early on in the betas and that seemed true. I need to research more now that the real thing is live.

zachleat,
@zachleat@zachleat.com avatar

@d fascinating, I wonder how they determine that

d,

@zachleat uuid looking stuff is a pretty easy tip off

zachleat,
@zachleat@zachleat.com avatar

@d I would think that the false positive case would be too destructive to rely on it, hmm 👀

d,

@zachleat
Me too. I have a feeling this will either be very targeted (Facebook and Google specific parameters) which will probably mean lawsuits; or timid enough it doesn’t do much.

matthiasott,
@matthiasott@mastodon.social avatar

@zachleat They are basically removing all params with “id” that are being used to identify users and sessions on and also across sites. Like Facebook’s fbclid that the Meta Pixel then stores in a cookie…

Schepp,
@Schepp@mastodon.social avatar

@zachleat pinging @wilander / @johnwilander

wilander,
@wilander@mastodon.social avatar

@Schepp @zachleat We’ll see if we can get something up on the WebKit blog.

zachleat,
@zachleat@zachleat.com avatar

@wilander @Schepp I would really appreciate that, thank you!

wilander,
@wilander@mastodon.social avatar

@zachleat @Schepp While I have you, on a personal note, I use 11ty to build my author website: https://hackerfiction.net 🙂👍🏼

zachleat,
@zachleat@zachleat.com avatar

@wilander @Schepp Awesome!! 🙌🏻🙌🏻🙌🏻

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