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Technologies > Site Elements > ETag > Weak ETag > by Content Languages

Usage of Weak ETag broken down by content languages

This diagram shows the percentages of websites using Weak ETag broken down by content languages. See technologies overview for explanations on the methodologies used in the surveys.

How to read the diagram:
Weak ETag is used by 11.1% of all the websites.
Weak ETag is used by 16.9% of all the websites that use English as content language.

Overall

11.1%

16.9%

4.5%

6.5%

7.1%

5.9%

8.3%

7.1%

3.8%

5.0%

2.9%

3.0%

1.8%

13.1%

8.1%

5.6%

3.2%

3.8%

3.4%

2.8%

8.2%

2.2%

7.2%

4.0%

5.1%

7.3%

5.1%

3.3%

3.0%

1.6%

2.5%

Norwegian Bokmål

5.7%

1.4%

2.8%

2.5%

Catalan, Valencian

3.9%

6.1%

20.3%

3.9%

1.9%

28.0%

1.5%

2.7%

7.2%

3.0%

27.4%

27.1%

2.8%

5.8%

14.5%

2.8%

3.9%

3.2%

11.7%

7.5%

12.1%

Norwegian Nynorsk

4.1%

6.3%

85.5%

2.7%

21.7%

3.9%

16.2%

13.6%

3.9%

2.5%

Khmer, Cambodian

5.6%

Sinhala, Sinhalese

7.3%

7.6%

8.7%

11.6%

Kirghiz, Kyrgyz

4.7%

20.7%

13.1%

3.3%

Sorani, Central Kurdish

1.8%

13.8%

Filipino, Pilipino

34.4%

Divehi, Dhivehi, Maldivian

2.6%

9.5%

4.4%

21.6%

10.2%

4.7%

Luxembourgish, Letzeburgesch

18.9%

4.8%

7.3%

5.6%

28.2%

9.8%

Panjabi, Punjabi

6.7%

3.5%

Kalaallisut, Greenlandic

9.6%

7.8%

0%

2.4%

13.2%

6.2%

11.5%

3.8%

0%

12.5%

Occitan, Provençal

26.1%

0%

Western Frisian

27.3%

0%

Swiss German, Alemannic, Alsatian

5.3%

5.3%

Haitian, Haitian Creole

11.8%

20.0%

Asturian, Bable, Leonese, Asturleonese

21.4%

Gaelic, Scottish Gaelic

7.1%

7.1%

15.4%

0%

8.3%

0%

8.3%

75.0%

36.4%

10.0%

10.0%

W3Techs.com, 28 August 2025

Percentages of websites using Weak ETag broken down by content languages

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Technology Brief
Weak ETag
Category: Site Elements
A weak ETag is an HTTP header field for validation of cached web pages, that indicates a semantically equivalent page in the cache.
Website: w3.org/...

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