🆚 Interest-Based Advertising Opt-Out vs. PerformanceObserver

Compare technologies based on real-world usage data *

Type

Browser API
Browser API

About

The interest-based advertising opt-out allowed sites to exclude themselves from Federated Learning of Cohorts (FLoC) cohort calculations using the "interest-cohort=()" permission policy. It is now deprecated and support for it has been removed from Chromium in February 2022.

PerformanceObserver is a part of the Performance API that is used to monitor performance measurement events.

Headquarters

Cambridge, Massachusetts, United States

Website

Categories

Browser APIs › Rank #8
Browser APIs › Rank #6

Popularity

Determined by the number of sites using each technology.

The PerformanceObserver browser API is 1.6 times more popular than Interest-Based Advertising Opt-Out.
Total websites

Market share

Browser APIs

Popularity by country

Determined by the number of sites detected from each country.

PerformanceObserver is more popular in the United States, the United Kingdom, and the Netherlands, while Interest-Based Advertising Opt-Out is more popular in Germany, France, and Austria.
United States
Germany
United Kingdom
France
Netherlands
Australia
Austria
Canada
Spain
Italy

Awards

Popularity by domain category

Determined by the number of sites in each category.

PerformanceObserver is more popular among sites focused on business, online shopping, and marketing and merchandising, while Interest-Based Advertising Opt-Out is more commonly used on public information, government and military, and art, culture and heritage sites.
Business
Online Shopping
Marketing/Merchandising
Education/Reference
Health
Internet Services
Travel
Entertainment
General News
Software/Hardware

Top sites

Top-ranked sites that use these technologies.

Name
Rank
#76
View more ➝
Name
Rank
#39
View more ➝

See also

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Our service evaluates the popularity of technologies by the number of websites using them.

Statistics were last calculated on .
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