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Will this still send your information to Google because the redirect sometimes happens after the search has already been sent? I’m curious because I use a similar Kagi extension and I feel like it’s definitely sending my information to DuckDuckGo which sucks. I wish apple would allow more search options.


Depends on how the extension works probably. Had the issue with some extension but the Qwant extension for example doesn't leak - you can check yourself when capturing the http(s) traffic with something like proxyman.


All the Safari search engine extensions work the same: https://lapcatsoftware.com/articles/2025/2/2.html


Interesting, something must have changed then - the qwant search extension definitely does not leak the search to the default search engine - I checked myself with Proxyman.


I just tested with Little Snitch and saw leakage to Google.

It's a race condition, so you might not always see it.


I don't know your setup but in my opinion something like proxyman / mitmproxy or even Wireshark would be the better way to analyse this. I tested quite often and never saw the leak with Qwant.


I have Proxyman and Wireshark. IIRC I used Proxyman also when writing my blog post.

In any case, Little Snitch is not lying and inventing packets. I don't know why you aren't seeing anything, but as I said, it's a race condition, so that can happen, and in any case, I would say that it's a better way to analyze this by adding Little Snitch to your setup.


I quickly downloaded the kagi extension for testing and there I can see the leaking - the Qwant extension still does not leak. Maybe you could also test the Qwant extension?


> Maybe you could also test the Qwant extension?

I did: https://news.ycombinator.com/item?id=43175181

There's really no magic or mystery here. The extension is simply using this API: <https://developer.apple.com/documentation/safariservices/sfs...>


I don't know why it's different for you and me then. I tested Qwant once again and saw not one call to duckduckgo (my default search engine) - now I'm over 100 searches while analysing with proxyman without one leak. The kagi extension on the other hand leaked all my first 3 searches. Something must be different.




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