♯ ETag

IETF, Fremont, California, United States

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.

According to our data, ETag is the 5th most popular networking technology on the web.
It has 19.6% of the networking market share and is present on 18.8% of all websites.

It is especially popular in India, appearing on 26.2% of all websites in the country.

Statistics based on 3.9M+ analyzed websites. About this data

📊 Rankings and Market Share

🏆 ETag Awards

⚡ Sites Using ETag

We have data on 748,631 websites that use ETag networking technology. Here is a list of some of the top ranked ones.

The highest rated site using ETag is wikipedia.org.

#WebsiteRankCountryLanguage
1 wikipedia.org #12 United States English
2 github.com #14 United States English
3 godaddy.com #42 United States American English
4 instructure.com #43 United States English
5 paypal.com #45 United States American English
6 eventbrite.com #70 United States English
7 theguardian.com #74 United Kingdom English
8 icloud.com #75 United States American English
9 linktr.ee #76 Australia English
10 line.me #78 Japan English
11 gov.uk #82 United Kingdom English
12 amp.dev #96 United States English
13 uol.com.br #97 Brazil Brazilian Portuguese
14 bbc.com #103 United Kingdom British English
15 samsung.com #106 United States English
16 salesforce.com #107 United States English
17 vercel.com #117 United States English
18 reuters.com #128 Switzerland English
19 washingtonpost.com #129 United States English
20 irs.gov #131 United States English

📈 Usage Statistics

Most of the sites that use ETag:

Most of the sites using ETag are from the United States, Japan, and Germany.

  • United States 25.8%
  • Japan 7%
  • Germany 6.7%
  • United Kingdom 5.9%
  • Netherlands 3.3%
  • India 3.2%
  • Australia 2.9%
  • France 2.8%
  • Russia 2.8%
  • Other 39.6%

Most ETag users speak English, Japanese, or German.

  • English 60.7%
  • Japanese 5.9%
  • German 5.5%
  • Spanish 4.3%
  • French 2.8%
  • Chinese 2.7%
  • Russian 2.7%
  • Portuguese 2.1%
  • Dutch 1.9%
  • Other 11.4%

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

  • .com 45.9%
  • .org 5.7%
  • .de 4%
  • .net 3%
  • .co.uk 2.2%
  • .jp 1.9%
  • .ru 1.8%
  • .com.au 1.7%
  • .nl 1.6%
  • Other 32.2%

The primary market segments for websites utilizing ETag include business, online shopping, and education and reference.

  • Business 16.2%
  • Online Shopping 12.4%
  • Education/Reference 6.2%
  • Internet Services 5%
  • Blogs/Wiki 4.3%
  • Entertainment 4.1%
  • Software/Hardware 3.2%
  • Health 2.8%
  • Sports 2.7%
  • Other 43.1%

🧩 ETag Editions

The most widespread edition of ETag is Weak, used by 38% of sites.

  • Weak 38%
  • Unknown 62%

🕵️ Similar Technologies

These are some of the best ETag 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.
6
CSP
Cambridge, Massachusetts, United States

The Content-Security-Policy HTTP response header and HTML meta tag define which external websites a web page can load content from.

🆚 Compare Alternatives

Compare ETag to…

💬 Frequently Asked Questions

What is the company behind ETag?

ETag is owned by Internet Engineering Task Force, headquartered in Fremont, California, United States.

Which country uses ETag the most?

The majority of ETag users are from the United States.

Who uses ETag?

According to our data, ETag is used on thousands of sites, including such established ones as wikipedia.org, github.com, and godaddy.com.

Is ETag used on government websites?

Yes, for example, it is used by irs.gov. In total, we found ETag on 653 government sites in the United States.

Do academic institutions use ETag?

Yes, quite a few! Overall, we know of 1,217 academic websites in the United States that use ETag.

How does ETag stack up against its competitors?

ETag is a moderately popular networking technology, ranking ahead of 5 other networking technologies we track.

What are the alternatives to ETag?

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

👉 See Also

🗃️ About This Data