🆚 PerformanceObserver vs. WebSocket

Compare technologies based on real-world usage data *

Type

Browser API
Browser API

About

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

The WebSocket API enables full-duplex communication between a web browser and a web server.

Headquarters

Cambridge, Massachusetts, United States
Fremont, California, United States

Website

Categories

Browser APIs › Rank #6
Browser APIs › Rank #7

Popularity

Determined by the number of sites using each technology.

The PerformanceObserver browser API is 1.1 times more popular than WebSocket.
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, Australia, and Canada, while WebSocket is more popular in the United Kingdom, the Netherlands, and Germany.
United States
United Kingdom
Netherlands
Germany
Australia
France
Canada
Brazil
India
Italy

Awards

Popularity by domain category

Determined by the number of sites in each category.

PerformanceObserver is more popular among sites focused on online shopping, marketing and merchandising, and education and reference, while WebSocket is more commonly used on business, Internet services, and finance and banking sites.
Business
Online Shopping
Marketing/Merchandising
Education/Reference
Internet Services
Health
Finance/Banking
Blogs/Wiki
Travel
Fashion/Beauty

Top sites

Top-ranked sites that use these technologies.

Name
Rank
#39
View more ➝
Name
Rank
#12
View more ➝

See also

* According to recent studies, many of online reviews are fake.
When making your decision, it is better to rely on data that cannot be falsified.
Our service evaluates the popularity of technologies by the number of websites using them.

Statistics were last calculated on .
For details, see our methodology and disclaimer.