rakeshkulkarni.com /playground

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What your browser already knows

You didn't click anything. You didn't agree to anything. The moment this page loaded, your browser handed it the portrait below - the same portrait it hands every website you visit. Here is what it said about you.

Now the part most of these pages skip

None of what you just saw was sent to me. It was read in your browser, rendered on this page, and it will be gone the instant you close this tab - nothing was stored, nothing was uploaded. You don't have to take my word for it. Here is every network request this page actually made:

measuring…

Open your browser's developer tools, watch the Network tab, and reload. You'll see the page, the stylesheet is inline so there isn't one, and a single cookieless page-view ping. You will not see your fingerprint leave, because it never does. that's the whole point

A fingerprint is powerful precisely because it's passive - no cookie to clear, no banner to decline. The defense isn't panic; it's knowing it happens, and choosing tools (and building systems) that don't quietly hoard it. Security should be a property you can verify, not a promise you're asked to trust.