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Show HN: Vince – A self hosted alternative to Google Analytics

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Re: Show HN: Vince – A self hosted alternative to Google Analytics

#22
post #15

It says GDPR compliant and no cookies on the project page. How are unique visitors calculated? And I'm assuming it can't link conversions to campaigns without some cookie-alternative?

No idea, but generally, a bloom filter would get you there without any identifying information being stored. The counts would merely be estimates at that point, not exact values.

Re: Show HN: Vince – A self hosted alternative to Google Analytics

#24
post #15

It says GDPR compliant and no cookies on the project page. How are unique visitors calculated? And I'm assuming it can't link conversions to campaigns without some cookie-alternative?

most likely through one way ip hashing bounded by time duration. If you have utm's in your url than it can track otherwise probably not.

Re: Show HN: Vince – A self hosted alternative to Google Analytics

#27
post #15

It says GDPR compliant and no cookies on the project page. How are unique visitors calculated? And I'm assuming it can't link conversions to campaigns without some cookie-alternative?

At least for Plausible, they state this (https://plausible.io/blog/google-analytics-cookies):

> Instead of tagging users with cookies, we count the number of unique IP addresses that accessed your website. Counting IP addresses is an old-school method that was used before the modern age of JavaScript snippets and tracking cookies.

Since IP addresses are considered personal data under GDPR, we anonymize them using a one-way cryptographic hash function. This generates a random string of letters and numbers that is used to calculate unique visitor numbers for the day. Old salts are deleted to avoid the possibility of linking visitor information from one day to the next. We never store IP addresses in our database or logs.

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