X-Via

HTTP response header

The Via general header is added by proxies both forward and reverse proxies and can appear in the request headers and the response headers. It is used for tracking message forwards avoiding request loops and identifying the protocol capabilities of senders along the request/response chain

Header usage statistics

X-Via response header information and usage statistics.

Websites using header X-Via182,948
Percentage of websites that use X-Via header0.19%
Total discovered header values6,206
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country GB

X-Via Directives

X-Via directives value information and usage statistics

DirectiveShareWebsites countUnique Values

Connected technologies

Technologies that utilize the header

Cdn Cache Server, category Content Delivery Networks, total 4,968 websites

Distribution by websites popularity

X-Via detection in the top websites by popularity

Top 10k sites25 websites
Top 100k sites325 websites
Top 1m sites3,106 websites

Websites utilizing X-Via

List of websites that use X-Via header

DomainCountryRankContacts
sc.chinaz.com CN899
chinanews.com CN1,416
www.rijksoverheid.nl NL1,548
jzs.faisys.com US2,203
www.jd.com CN2,711
qr.topscan.com CN3,508
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-Via header values

Header valueValue prevalence
LAX171.46%
MIA113.10%
LHR11.91%
ASH10.65%
SWS Accelerator - KPE10.42%
1.1 PSmglsjLAX2ay162:8 (Cdn Cache Server V2.0), 1.1 PSmgdfDEN1dz64:20 (Cdn Cache Server V2.0)0.30%
1.1 PSmgdfDEN1dz64:20 (Cdn Cache Server V2.0)0.26%
1.0 PSmgdfDEN1dz64:20 (Cdn Cache Server V2.0)0.23%
1.0 PSmglsjLAX2kb133:5 (Cdn Cache Server V2.0)0.22%
1.1 yatu3:8 (Cdn Cache Server V2.0)0.20%
1.1 PS-FOC-01tmR97:0 (Cdn Cache Server V2.0), 1.1 PSmgdfDEN1dz64:20 (Cdn Cache Server V2.0)0.20%
772424/dynamic/localhost0.20%
1.1 hexi47:5 (Cdn Cache Server V2.0), 1.1 PS-SEA-01mw0147:12 (Cdn Cache Server V2.0)0.20%
1.1 PS-FOC-01tmR97:0 (Cdn Cache Server V2.0), 1.1 yatu3:8 (Cdn Cache Server V2.0)0.17%
1.1 165.231.160.63 (random:189468 Webserver/3.8.2)0.12%
1.1 hx172:10 (Cdn Cache Server V2.0), 1.1 yatu3:8 (Cdn Cache Server V2.0)0.10%
1.1 PS-FOC-01tmR97:0 (Cdn Cache Server V2.0), 1.1 PSmglsjLAX2vw123:8 (Cdn Cache Server V2.0)0.10%
1.1 ebs-63455 (random:686415 Fikker/Webcache/3.8.2)0.10%
proxy/https0.09%
1.1 PSmglsjLAX2uz158:1 (Cdn Cache Server V2.0)0.09%