Pochemy.net
memory Technology

Why is it that I visit websites and Facebook/Google automatically know that and give me targeted ads?

Sarah Jenkins
Sarah Jenkins
Lead Content Curator · Jan 21, 2026 · Updated Apr 13, 2026

When you visit websites that link to pages of interest, they send your pseudo identity and your interest profile to central ad servers. When you visit another page that has an ad spot for a remarketing ad, they pull your identity and interest profile and select those ads that are best matched to …

70
Words

1 min
Read Time

#231
of 500 in Technology

-7%
vs Category Avg

The Short Answer

When you visit websites that link to pages of interest, they send your pseudo identity and your interest profile to central ad servers. When you visit another page that has an ad spot for a remarketing ad, they pull your identity and interest profile and select those ads that are best matched to you. Your pseudoidentity is an id number that's generated and kept on your browser as a cookie.

Analysis

Key Concepts: Interest, visit, identity

This explanation focuses on interest, visit, identity and spans 70 words across 3 sentences. The depth is typical for Technology questions (category average: 75 words), striking a balance between accessibility and completeness.

What This Answer Covers

The explanation opens with: “When you visit websites that link to pages of interest, they send your pseudo identity and your interest profile to cent” It then elaboratesultimately building toward a complete picture across 3 connected points.

How This Compares in Technology

Ranked #231 of 500 Technology questions by answer depth (top 47%). This falls in the detailed tier — above average depth. The explanation goes beyond surface-level but keeps things accessible.

Frequently Asked Questions

Is there a simple explanation for why it that i visit websites and facebook/google automatically know that and give me targeted ads?

When you visit websites that link to pages of interest, they send your pseudo identity and your interest profile to central ad servers. When you visit another page that has an ad spot for a remarketing ad, they pull your identity and interest…

How detailed is this explanation compared to similar Technology questions?

This is an above-average answer at 70 words, ranked #231 of 500 Technology questions by depth. The key concepts covered are interest, visit, identity.

What approach does this answer take to explain it that i visit websites and facebook/google automatically k?

The explanation uses direct explanation across 70 words. It is categorized under Technology and addresses the question through 1 analytical lens.