Invisible Click Tracking (Web Development) — Kaspars Dambis

Have a look at this URL linking to this post:​ Notice any tracking variables? Me neither! But check out the HTTP request and response in the network inspector of your browser — it is redirecting to the “same” URL: The idea is to use zero-width and space characters of UTF-8 Unicode such as U+200B, U+200C, … Read more →