CORS

W3C, Cambridge, Massachusetts, United States

Cross-Origin Resource Sharing (CORS) is an HTTP header-based mechanism used to safely bypass same-origin policy and allow requests to other domains.

According to our data, CORS is the 9th most popular networking technology on the web.
It has 3.6% of the networking market share and is detected on 3.3% of all websites.

📊 Rankings and Market Share

🏆 CORS Awards

⚡ Sites Using CORS

We have data on 110,090 websites that use CORS networking technology. Here is a list of some of the top ranked ones.

The highest rated site using CORS is patreon.com.

#WebsiteRankCountryLanguage
1 patreon.com #47 United States English
2 blog.google #54 American English
3 zoom.com #63 United States English
4 cnn.com #67 United States English
5 who.int #88 Switzerland English
6 cdc.gov #110 United States American English
7 npr.org #125 English
8 espn.com #141 English
9 independent.co.uk #142 United Kingdom English
10 cnbc.com #152 United States English
11 nvidia.com #197 United States American English
12 foxnews.com #201 United States English
13 canada.ca #209 Canada English
14 daum.net #225 Korea Korean
15 playtime.ph #233 Philippines English
16 weather.com #238 American English
17 fortune.com #248 Hong Kong English
18 netkeiba.com #249 Japan Japanese
19 shopee.co.id #262 Indonesia
20 cdn.jsdelivr.net English

📈 Usage Statistics

Most of the sites that use CORS:

Most of the sites using CORS are from the United States, Germany, and the United Kingdom.

  • United States 23%
  • Germany 6.8%
  • United Kingdom 5.3%
  • France 5%
  • Brazil 3.1%
  • China 3%
  • India 3%
  • Netherlands 2.9%
  • Spain 2.9%
  • Other 45%

Most CORS users speak English, German, or Spanish.

  • English 61.1%
  • German 4.6%
  • Spanish 4.2%
  • French 3.8%
  • Portuguese 2.8%
  • Chinese 2.6%
  • Russian 2.1%
  • Dutch 1.8%
  • Italian 1.7%
  • Other 15.3%

CORS networking technology is especially popular on .com and .org top-level domains.

  • .com 43.8%
  • .org 6.3%
  • .net 3.3%
  • .de 3%
  • .com.br 1.8%
  • .io 1.6%
  • .fr 1.6%
  • .co.uk 1.5%
  • .ru 1.5%
  • Other 35.6%

The primary market segments for websites utilizing CORS include business, marketing and merchandising, and online shopping.

  • Business 16.2%
  • Marketing/Merchandising 8.5%
  • Online Shopping 7.4%
  • Internet Services 6.9%
  • Education/Reference 6.3%
  • Blogs/Wiki 5.1%
  • Software/Hardware 4.1%
  • Entertainment 4%
  • General News 4%
  • Other 37.5%

🕵️ Similar Technologies

These are some of the best CORS alternatives.

RankName
1
TLS
Fremont, California, United States

A cryptographic protocol that provides end-to-end encryption of data transmitted over the Internet, ensuring confidentiality, integrity, and authentication between communicating systems.
2
HTTP 2+
Fremont, California, United States

An application-layer protocol used to transfer resources such as HTML documents, images, and other web content, forming the foundation of data communication in web browsers.
3
Cookies
Fremont, California, United States

Small pieces of data that a website sends to a visitor's web browser when they visit.
4
HSTS
Fremont, California, United States

The HTTP Strict Transport Security standard ensures that a user's browser always connects to a website using HTTPS.
5
♯ ETag
Fremont, California, United States

An identifier for a specific version of a resource that is used for cache validation.

🆚 Compare Alternatives

Compare CORS to…

💬 Frequently Asked Questions

What is the company behind CORS?

CORS is owned by World Wide Web Consortium, Inc., headquartered in Cambridge, Massachusetts, United States.

Which country uses CORS the most?

The majority of CORS users are from the United States.

Who uses CORS?

According to our data, CORS is used on thousands of sites, including such established ones as patreon.com, blog.google, and zoom.com.

Is CORS used on government websites?

Yes, for example, it is used by cdc.gov. Overall, we found CORS on 84 government sites in the United States.

Do academic institutions use CORS?

Yes, quite a few! Overall, we know of 419 academic websites in the United States that use CORS.

What are the alternatives to CORS?

Alternatives and possible competitors to CORS may include TLS, HTTP 2+, and Cookies.

👉 See Also

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