HTTP response header

Header usage statistics

X-Via-CDN response header information and usage statistics.

Websites using header X-Via-CDN 304
Percentage of websites that use X-Via-CDN header <0.1%
Total discovered header values 257
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-Via-CDN detection in the top websites by popularity

Top 10k sites 0 websites
Top 100k sites 8 websites
Top 1m sites 79 websites

Websites utilizing X-Via-CDN

List of websites that use X-Via-CDN header

Domain Country Rank Contacts
news.sina.com.cn United States of America 78,134
tech.sina.com.cn United States of America 78,996
finance.sina.com.cn United States of America 80,356
sina.com.cn China 83,068
www.sina.com.cn United States of America 83,068
english.sina.com United States of America 97,056
See full domain list
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Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common X-Via-CDN header values

Header value Value prevalence
f=Akamai,s=,c= 2.30%
f=Akamai,s=,c= 1.97%
f=Akamai,s=,c= 1.97%
f=alicdn,s=cache3.us13,c=; 1.64%
f=alicdn,s=cache9.us13,c=; 1.64%
f=alicdn,s=cache7.us10,c=; 1.64%
f=alicdn,s=cache6.us10,c=; 1.32%
f=Akamai,s=,c= 1.32%
f=alicdn,s=cache8.us10,c=; 0.99%
f=alicdn,s=cache2.us13,c=; 0.99%
f=alicdn,s=cache8.us9,c=; 0.99%
f=alicdn,s=cache3.us10,c=; 0.99%
f=alicdn,s=cache1.us10,c=; 0.99%
f=Akamai,s=,c= 0.66%
f=alicdn,s=cache8.us13,c=; 0.66%
f=alicdn,s=cache10.us10,c=; 0.66%
f=Akamai,s=,c=;f=edge,s=ctc.ningbo.union.47.nb.sinaedge.com,c=;f=Edge,s=ctc.ningbo.union.123,c= 0.33%
f=Akamai,s=,c=;f=edge,s=ctc.ningbo.union.29.nb.sinaedge.com,c=;f=Edge,s=ctc.ningbo.union.80,c= 0.33%
f=Akamai,s=,c= 0.33%
f=edge,s=ctc.yongfeng.union.102.nb.sinaedge.com,c=;f=Edge,s=ctc.yongfeng.union.102,c= 0.33%