🆚 Interest-Based Advertising Opt-Out vs. XMLHttpRequest
- 📈 XMLHttpRequest is much more popular than Interest-Based Advertising Opt-Out.
- 🌎 XMLHttpRequest is more popular in the United States, Germany, and the United Kingdom.
- 🌍 Interest-Based Advertising Opt-Out is more popular in Austria, Turkmenistan, and Botswana.
Interest-Based Advertising Opt-Out
XMLHttpRequestType
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.
XMLHttpRequest (XHR) is a 
JavaScript API for sending HTTP and HTTPS requests and receiving data from web servers without reloading the current page.
It supports both synchronous and asynchronous communication, allows monitoring of upload and download progress, and can exchange data in formats such as text, 
XML, 
JSON, and binary content.
Headquarters
Categories
Popularity
Determined by the number of sites using each technology.
Market share
Popularity by country
Determined by the number of sites detected from each country.
Awards
- 🥉 Third most popular in Austria in the Browser APIs category.
- ⭐ 4th most popular in Nepal in the Browser APIs category.
- ⭐ 6th most popular in Germany in the Browser APIs category.
- ⭐ 6th most popular in Switzerland in the Browser APIs category.
- ⭐ 6th most popular in Greece in the Browser APIs category.
- 🥇 Most popular in the British Virgin Islands in the Browser APIs category.
- 🥇 Most popular in Seychelles in the Browser APIs category.
- 🥈 Second most popular in the United States in the Browser APIs category.
- 🥈 Second most popular in Germany in the Browser APIs category.
- 🥈 Second most popular in the United Kingdom in the Browser APIs category.
Popularity by domain category
Determined by the number of sites in each category.
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
Fetch🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,531,690 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.