🆚 CORS vs. ETag
- 📈 ETag is five times more popular than CORS.
- 🌎 ETag is more popular in the United States, Germany, and Japan.
- 🌍 CORS is more popular in Samoa, Saint Helena, and the Marshall Islands.
Statistics based on 3.6M+ analyzed websites. About this data
CORSType
Networking technology
Networking technology
About
Cross-Origin Resource Sharing (CORS) is an HTTP header-based mechanism used to safely bypass same-origin policy and allow requests to other domains.
The ETag HTTP response header is an identifier for a specific version of a resource that is used for cache validation.
It enables browsers to verify whether a cached resource is still up to date by sending the ETag back to the server, which compares it with the current version and returns the resource only if it has changed.
Headquarters
Cambridge, Massachusetts, United States
Fremont, California, United States
datatracker.ietf.orgCategories
Networking › Rank #9
Networking › Rank #5
Popularity
Determined by the number of sites using each technology.
ETag networking technology is 5 times more popular than CORS.
Total websites
Market share
Networking
Popularity by country
Determined by the number of sites detected from each country.
ETag is more popular in the United States, Germany, and Japan, while CORS is more popular in Samoa, Saint Helena, and the Marshall Islands.
United States
Germany
Japan
United Kingdom
France
Netherlands
India
China
Australia
Russia
Awards
- ⭐ 4th most popular in Samoa in the Networking category.
- ⭐ 4th most popular in Saint Helena in the Networking category.
- ⭐ 7th most popular in Mongolia in the Networking category.
- ⭐ 7th most popular in Jordan in the Networking category.
- ⭐ 7th most popular in Lebanon in the Networking category.
- 🥉 Third most popular in the British Virgin Islands in the Networking category.
- ⭐ 4th most popular in Japan in the Networking category.
- ⭐ 4th most popular in Argentina in the Networking category.
- ⭐ 4th most popular in Nigeria in the Networking category.
- ⭐ 4th most popular in Uruguay in the Networking category.
Popularity by domain category
Determined by the number of sites in each category.
ETag is more popular among sites focused on business, online shopping, and education and reference, while CORS is more commonly used on marketing and merchandising, and travel sites.
Business
Online Shopping
Education/Reference
Internet Services
Blogs/Wiki
Entertainment
Software/Hardware
Health
General News
Sports
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
🗃️ 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 3,629,123 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.