HTTP response header

An identifier for a specific version of a resource

Header usage statistics

Etag response header information and usage statistics.

Websites using header Etag 415,329
Percentage of websites that use Etag header 3.87%
Total discovered header values 408,215
Header uses directives No
Header values are unique or random Yes
Most popular in the country United States of America

Distribution by websites popularity

Etag detection in the top websites by popularity

Top 10k sites 566 websites
Top 100k sites 4,476 websites
Top 1m sites 41,948 websites

Websites utilizing Etag

List of websites that use Etag header

Domain Country Rank Contacts United States of America 53 United States of America 100 United States of America 110 United States of America 123 United States of America 125 United States of America 178
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Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common Etag header values

Header value Value prevalence
"05eea769d-0;;;" 0.37%
"260-bca5d37d5bb7154e" 0.10%
"7029066c27ac6f5ef18d660d5741979a" 0.08%
"05eea7691-0;;;" 0.02%
"1343-5eea1658-73077d9eb82fd68e;gz" 0.02%
"6894268799c897cf5eda8143d67c99d29fc494b1-gzip" 0.02%
"05e8f6961-0;gz" 0.02%
on 0.02%
W/"1f9efcb8395f73f1b213752ae9941ad3" 0.02%
"" 0.01%
"d41d8cd98f00b204e9800998ecf8427e" 0.01%
"22-c0fed09126081202" 0.01%
"1343-5f15947b-79ecdef7c6cdd9e7;gz" 0.01%
"1343-5ea2b5a9-dc76b02839559400;gz" 0.01%
"2c-5f46ad77-a0d2f0047347b605;;;" 0.01%
"1343-5ea2bac3-60d837eb7fd9611;gz" 0.01%
"2c-5f46a78b-2f2afd9dde08d7e3;;;" 0.01%
"1349-5f7ef7a1-ccaec214f47ea0b;gz" 0.01%
"2c-5f45c51a-fa8978009fcb4c83;;;" 0.01%
"82-7289-5e341627" 0.01%