🆚 PerformanceObserver vs. Web Storage
- 📈 Web Storage is much more popular than PerformanceObserver.
- 🌍 Web Storage is more popular in all countries.
Statistics based on 3.5M+ analyzed websites. About this data
Type
Browser API
Browser API
About
PerformanceObserver is a part of the Performance API that is used to monitor performance measurement events.
Web Storage is a browser API that provides client-side key-value storage for websites, allowing data to be stored directly in a user's web browser.
It stores data as strings associated with a website's origin, offers significantly larger storage capacity than cookies, and consists of the localStorage and sessionStorage interfaces.
Headquarters
Cambridge, Massachusetts, United States
Cambridge, Massachusetts, United States
w3.orgCategories
Browser APIs › Rank #6
Browser APIs › Rank #1
Popularity
Determined by the number of sites using each technology.
The Web Storage browser API is 35 times more popular than PerformanceObserver.
Total websites
Market share
Browser APIs
Popularity by country
Determined by the number of sites detected from each country.
Web Storage is more popular than PerformanceObserver in all countries.
United States
United Kingdom
Germany
France
Japan
Spain
Italy
Australia
Netherlands
Brazil
Awards
- 🥉 Third most popular in the British Virgin Islands in the Browser APIs category.
- ⭐ 4th most popular in Ecuador in the Browser APIs category.
- ⭐ 6th most popular in the United States in the Browser APIs category.
- ⭐ 6th most popular in Australia in the Browser APIs category.
- ⭐ 6th most popular in India in the Browser APIs category.
- 🥇 Most popular in the United States in the Browser APIs category.
- 🥇 Most popular in the United Kingdom in the Browser APIs category.
- 🥇 Most popular in Germany in the Browser APIs category.
- 🥇 Most popular in France in the Browser APIs category.
- 🥇 Most popular in Japan in the Browser APIs category.
Popularity by domain category
Determined by the number of sites in each category.
Web Storage is more popular among sites focused on business, marketing and merchandising, and online shopping, while PerformanceObserver is more commonly used on travel, fashion and beauty, and real estate sites.
Business
Marketing/Merchandising
Online Shopping
Blogs/Wiki
Education/Reference
Internet Services
Entertainment
General News
Health
Non-Profit/Advocacy/NGO
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
XMLHttpRequest
Fetch
WebSocket🗃️ 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 3,531,795 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.