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alex35mil / sourcebuster-js

Track the sources of your traffic
https://alexfedoseev.github.io/sbjs
MIT License
412 stars 92 forks source link

First Visit Data Type = undefined or null #23

Open theschnaz opened 6 years ago

theschnaz commented 6 years ago

Hello,

For some new customers, I see their first visit data type as null or undefined. What are the most likely causes for this? Cookie blockers?

Best,

Greg