X-ENV

HTTP response header

Header usage statistics

X-ENV response header information and usage statistics.

Websites using header X-ENV 38,980
Percentage of websites that use X-ENV header <0.1%
Total discovered header values 2,171
Header uses directives No
Header values are unique or random No
Most popular in the country United States of America

Distribution by websites popularity

X-ENV detection in the top websites by popularity

Top 10k sites 21 websites
Top 100k sites 54 websites
Top 1m sites 243 websites

Websites utilizing X-ENV

List of websites that use X-ENV header

Domain Country Rank Contacts
smugmug.com United States of America 1,182
www.smugmug.com United States of America 1,182
photos.smugmug.com United States of America 1,245
cdn.smugmug.com United States of America 1,269
secure.smugmug.com United States of America 1,380
live.staticflickr.com United States of America 1,713
See full domain list
Flat price per the report, subscription is not required.

Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

List of top common X-ENV header values

Header value Value prevalence
production 1.08%
a=live, b=www, c=e8889be1, d=i-045e1a80b5d8ffbe0 0.64%
a=live, b=www, c=e8889be1, d=i-0d0e0fdce8fb1fab9 0.64%
a=live, b=www, c=e8889be1, d=i-055f281e58ee694bc 0.59%
a=live, b=www, c=e8889be1, d=i-057da377fa92091b2 0.55%
prod 0.54%
a=live, b=www, c=e8889be1, d=i-052b420d334cc8a08 0.53%
WP4 0.52%
a=live, b=www, c=e8889be1, d=i-08115c2b8a21be842 0.50%
a=live, b=www, c=e8889be1, d=i-0aebf1327d6cc3702 0.49%
a=live, b=www, c=e8889be1, d=i-0fe26b1e381447c97 0.45%
a=live, b=www, c=e8889be1, d=i-0ec7dc55fb3d96429 0.44%
a=live, b=www, c=e8889be1, d=i-0e750d7bb6f074ee1 0.43%
a=live, b=www-cd, c=4cf206a9, d=i-049cfc811336171c4 0.42%
a=live, b=www, c=e8889be1, d=i-0915d44ff7adf7048 0.41%
a=live, b=www, c=e8889be1, d=i-0a8b98827891bd8d2 0.40%
a=live, b=www, c=e8889be1, d=i-0ae66733485900eca 0.39%
a=live, b=www, c=e8889be1, d=i-045c5f0fa9676b2e4 0.38%
a=live, b=www-cd, c=e8889be1, d=i-0525e53bd19ff79e6 0.37%
a=live, b=www-cd, c=e8889be1, d=i-0ed9ed9821df0b125 0.36%