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

Usage of Weak ETag as site element 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 11.4% of all the websites.
Weak ETag is used by 17.5% of all the websites that use English as content language.

Overall

11.4%

17.5%

4.3%

6.6%

7.3%

6.4%

8.7%

6.8%

3.8%

5.2%

3.0%

2.9%

14.8%

7.7%

1.8%

3.0%

5.8%

9.8%

3.1%

2.5%

6.1%

8.1%

2.1%

3.4%

5.3%

7.6%

5.4%

3.5%

3.2%

1.5%

2.7%

Norwegian Bokmål

6.5%

1.4%

3.2%

2.6%

Catalan, Valencian

4.0%

6.5%

21.1%

4.1%

2.1%

25.0%

1.6%

2.8%

7.0%

13.4%

3.3%

24.0%

6.3%

2.9%

12.3%

2.7%

3.7%

3.4%

11.9%

7.8%

Norwegian Nynorsk

3.5%

18.7%

5.3%

2.5%

3.7%

16.7%

6.9%

5.4%

4.8%

Khmer, Cambodian

2.7%

2.9%

6.5%

Sinhala, Sinhalese

10.6%

24.1%

Kirghiz, Kyrgyz

4.1%

10.7%

17.5%

12.6%

4.3%

Filipino, Pilipino

22.6%

Sorani, Central Kurdish

2.2%

12.2%

10.1%

Divehi, Dhivehi, Maldivian

3.0%

20.9%

5.6%

2.9%

11.0%

Luxembourgish, Letzeburgesch

20.2%

6.3%

3.5%

Panjabi, Punjabi

5.5%

32.4%

6.0%

8.3%

3.5%

Kalaallisut, Greenlandic

8.9%

14.3%

7.5%

17.9%

16.1%

7.4%

Haitian, Haitian Creole

11.5%

Occitan, Provençal

30.8%

3.8%

Western Frisian

12.0%

0%

54.5%

13.6%

9.5%

Swiss German, Alemannic, Alsatian

4.8%

0%

Gaelic, Scottish Gaelic

15.0%

10.0%

0%

Asturian, Bable, Leonese, Asturleonese

31.2%

6.7%

0%

85.7%

71.4%

23.1%

0%

9.1%

18.2%

9.1%

10.0%

W3Techs.com, 22 January 2026

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: rfc-editor.org/...

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