[iOS 17] Specifications of the "Relax Protection" message displayed at the top of the screen in Safari

Is it okay to relax protection?

To conclude, it's okay to tap "Relax Protection".

In the first place, this feature is only enabled by default in Private Browsing, so it doesn't work in regular tabs.

However, as this message also states,
I think you only need to relax protection "if this page does not display as expected".

How to hide this message

Go to "Settings > Safari > Advanced (at the bottom)"

and turn "Advanced Tracking and Fingerprint Protection" to "Off".
(The default is Private Browsing)

Then, this message will no longer be displayed.

This feature still feels like it's in an experimental stage...
It's a pain for bloggers and advertisers...
Honestly, it feels unnecessary...

Personally, I think it's more often perceived as "annoying".

Specifications of this feature (for beginners)

About the specifications of this "Advanced Privacy Protection" mentioned in this message.

First, to put it simply,

When you open a site in Safari, it automatically removes unnecessary parameters called "tracking parameters" from the URL.

Image:MacRumors

Tracking parameters are used by advertisers to track user activity across sites, and they are sometimes used in ads on websites and social media.

"Once I looked up dating apps, my Twitter and Instagram feeds were full of dating app ads..."

Haven't you all experienced something like that?

Tracking parameters are one of the causes of such things, and from Apple's perspective, it seems to be saying, "Isn't that a privacy violation?"

Currently, this feature is only enabled by default in Private Browsing.

As a blog publisher, advertising is my source of income, so if that were to disappear in the future, I wonder if free websites and YouTube would cease to exist...

Specifications of this feature (for developers)

This feature automatically removes tracking parameters, and I briefly investigated which specific parameters are targeted for removal.

According to an article by someone who tested it with iOS 17 (developer beta),

Marketers, what you need to know about iOS 17, LTP, and privacy trends | by Peter Jakuš | Medium

With that in mind, when I opened the following links on an actual device,

./demo/?mc_eid=1234&campaign_id=1234

./demo/?fbclid=1234&campaign_id=1234

./demo/?_hsenc=1234&campaign_id=1234

when Safari's "Advanced Privacy Protection" was on, each of them became

./demo/?campaign_id=1234

./demo/?campaign_id=1234

./demo/?campaign_id=1234

and the parameters were removed.

I also confirmed that when opened after turning it off, the parameters were not removed.

Additionally, I confirmed that the following parameters from this list were removed.

• __hssc
• _hsenc
• __hstc
• __s
• _openstat
• dclid
• fbclid
• gclid
• hsCtaTracking
• igshid
• mc_eid
• mkt_tok
• ml_subscriber
• ml_subscriber_hash
• msclkid
• oly_anon_id
• oly_enc_id
• rb_clickid
• s_cid
• twclid
• vero_conv
• vero_id
• wickedid

The "click_id" shown as an example at WWDC 2023 was not removed.

Image:MacRumors

By the way, since it's called "Advanced Privacy Protection," I wondered if it might also prevent the acquisition of IP addresses or referrers.
However, upon verification, I was able to acquire them.

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