HTTP response header

Header usage statistics

X-Firefox-Spdy response header information and usage statistics.

Websites using header X-Firefox-Spdy 823
Percentage of websites that use X-Firefox-Spdy header <0.1%
Total discovered header values 6
Header uses directives No
Header values are unique or random No
Most popular in the country United States of America

Connected technologies

Technologies that utilize the header

SPDY, category Miscellaneous, total 823 websites

Distribution by websites popularity

X-Firefox-Spdy detection in the top websites by popularity

Top 10k sites 0 websites
Top 100k sites 2 websites
Top 1m sites 42 websites

Websites utilizing X-Firefox-Spdy

List of websites that use X-Firefox-Spdy header

Domain Country Rank Contacts
www.mohfw.gov.in United States of America 19,782
www.icmr.gov.in United States of America 64,155
www.honlapbirodalom.hu Hungary 129,436
mib.gov.in India 133,523
www.ayush.gov.in United States of America 138,727
himachal.nic.in India 168,452
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Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common X-Firefox-Spdy header values

Header value Value prevalence
h2 90.04%
3.1 7.65%
h2, h2 1.58%
1 0.49%
2 0.12%
3 0.12%