DEV Community

Cover image for Big Tech Tracking Goes Way Deeper Than Cookies (Here's the Full Breakdown)
Akhilesh
Akhilesh

Posted on

Big Tech Tracking Goes Way Deeper Than Cookies (Here's the Full Breakdown)

You think clearing cookies protects your privacy?
Let me show you what's really happening.

The Reality
When you browse the web, Big Tech isn't just using cookies. They're using:
πŸ” Invisible tracking pixels embedded on millions of sites
πŸ–ΌοΈ Browser fingerprinting - your unique digital signature
πŸ“± Cross-device linking - connecting your phone, laptop, and tablet
πŸ“œ Silent background scripts logging everything you do

Even in incognito mode, your browser fingerprint reveals:

  • Your screen resolution
  • Installed fonts
  • GPU specs
  • Audio processing capabilities
  • Timezone
  • Battery level

Combined, these create a signature that's 99.9% unique to you.

Here's What Most People Don't Know
Blocking cookies doesn't stop tracking anymore.
Modern ad tech companies use sophisticated techniques that work even when cookies are disabled:

  • Canvas fingerprinting
  • WebGL fingerprinting
  • Audio API fingerprinting
  • Probabilistic device matching
  • Location triangulation via Wi-Fi

Can You Become Invisible?
Short answer: No.


Better answer: You can make tracking dramatically harder.
I Just Published the Complete Guide
In my latest Medium article, I break down:
βœ… How tracking actually works (step-by-step technical breakdown)
βœ… Why traditional blocking fails (incognito mode, cookie deletion, etc.)
βœ… What browser fingerprinting really means (with actual code examples)
βœ… Practical steps to reduce tracking by 80-90% (tools, settings, strategies)
βœ… My realistic privacy setup (what I actually use daily)
This isn't fear-mongering. It's education.

I explain complex concepts in plain English, with real examples and actionable steps.
Read the Full Guide Here:
πŸ‘‰ [Medium link]

Quick Win (Start Here)
If you do nothing else, do these 3 things today:

  1. Install uBlock Origin browser extension
  2. Switch your search engine to DuckDuckGo
  3. Check your phone's app permissions and remove unnecessary access

These three steps alone will reduce tracking by 50-60%.

The Goal
You don't need to become a privacy extremist or quit the internet.
You just need to understand:

  • What data you're giving away
  • How it's being collected
  • What you can control

Privacy isn't about hiding. It's about having control.

Have you checked how unique your browser fingerprint is?
Test it here: https://coveryourtracks.eff.org/
Drop your results in the comments. Let's compare! πŸ‘‡

Top comments (0)