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 3.7% of the networking market share and is detected on 3.5% of all websites.

It appears on 4.3% of all websites in Brazil, 4.2% in India, and 4.2% in China.

Statistics based on 4M+ analyzed websites. About this data

📊 Rankings and Market Share

🏆 CORS Awards

⚡ Sites Using CORS

We have data on 142,831 websites that use CORS networking technology. Here is a list of some of the top ranked ones.

The highest rated site using CORS is adobe.com.

#WebsiteRankCountryLanguage
1 adobe.com #22 United States English
2 zoom.com #48 United States English
3 cdc.gov #57 United States American English
4 cnn.com #67 United States English
5 amp.dev #96 United States English
6 bihar.gov.in #99 India English
7 vercel.com #117 United States English
8 npr.org #120 United States English
9 canada.ca #132 Canada English
10 cnbc.com #165 United States English
11 gst.gov.in #174 India English
12 shopee.co.id #181 Indonesia
13 daum.net #227 Korea Korean
14 mayoclinic.org #248 United States English
15 foxnews.com #254 United States English
16 netkeiba.com #255 Japan Japanese
17 independent.co.uk #268 United Kingdom English
18 nps.gov #290 United States English
19 cdn.jsdelivr.net United Kingdom English
20 blooket.com #301 United States American 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 24.1%
  • Germany 6.3%
  • United Kingdom 5.1%
  • France 4.6%
  • India 3.1%
  • China 3.1%
  • Japan 3.1%
  • Brazil 3%
  • Spain 2.9%
  • Other 44.7%

Most CORS users speak English, German, or Spanish.

  • English 61.1%
  • German 4.6%
  • Spanish 4.1%
  • French 3.8%
  • Portuguese 2.8%
  • Chinese 2.5%
  • Japanese 2.2%
  • Russian 2.2%
  • Italian 1.7%
  • Other 15%

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

  • .com 43.4%
  • .org 6.2%
  • .net 3.2%
  • .de 2.9%
  • .io 1.8%
  • .fr 1.6%
  • .com.br 1.6%
  • .co.uk 1.5%
  • .ru 1.5%
  • Other 36.3%

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

  • Business 16.5%
  • Marketing/Merchandising 8.8%
  • Online Shopping 7.1%
  • Internet Services 6.9%
  • Education/Reference 6.3%
  • Blogs/Wiki 5.2%
  • Software/Hardware 4.1%
  • Travel 4%
  • Entertainment 4%
  • Other 37.1%

🕵️ 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 stores in a visitor's web browser to preserve information between page requests and browsing sessions.
4
HSTS
Fremont, California, United States

A web security mechanism that ensures a user's browser always connects to a website using HTTPS, preventing insecure HTTP access.
5
♯ ETag
Fremont, California, United States

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

🆚 Compare Alternatives

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💬 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 adobe.com, zoom.com, and cdc.gov.

Is CORS used on government websites?

Yes, for example, it is used by cdc.gov, bihar.gov.in, and gst.gov.in. Overall, we found CORS on 107 government sites in the United States.

Do academic institutions use CORS?

Yes, quite a few! Overall, we know of 496 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

🗃️ About This Data