Cf-Railgun

HTTP response header

Header usage statistics

Cf-Railgun response header information and usage statistics.

Websites using header Cf-Railgun 45,346
Percentage of websites that use Cf-Railgun header <0.1%
Total discovered header values 10,001
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

CloudFlare, category Content Delivery Networks, total 6,856,289 websites

Distribution by websites popularity

Cf-Railgun detection in the top websites by popularity

Top 10k sites 21 websites
Top 100k sites 179 websites
Top 1m sites 1,662 websites

Websites utilizing Cf-Railgun

List of websites that use Cf-Railgun header

Domain Country Rank Contacts
colorlib.com United States of America 1,105
mdpi.com United States of America 2,089
www.mdpi.com United States of America 2,089
www.pnas.org United States of America 2,121
hk.tao1111.vip United States of America 2,444
cochranelibrary.com United States of America 2,498
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 Cf-Railgun header values

Header value Value prevalence
direct (starting new WAN connection) 60.75%
direct (waiting for pending WAN connection) 12.79%
a12cf5ff52 stream 0.000000 0210 0dda 0.01%
8ae0c563b0 stream 0.000000 0210 0dda 0.00%
19d762a9db stream 0.000000 0210 0dda 0.00%
000ff3a064 stream 0.000000 0310 e6be 0.00%
0019f9db91 stream 0.000000 0210 e6be 0.00%
001a4abf9c stream 0.000000 0200 0dda 0.00%
001cb75d31 stream 0.000000 0210 e6be 0.00%
001e5dd70d 0.03 0.030253 0030 e6be 0.00%
fff9f8c928 stream 0.000000 0030 e6be 0.00%
0027125152 stream 0.000000 0200 e6be 0.00%
002b88535d stream 0.000000 0200 57da 0.00%
00341a9788 0.00 0.008488 0030 0dda 0.00%
0037b3bcaa stream 0.000000 0210 e6be 0.00%
00443d671e stream 0.000000 0200 0dda 0.00%
005a1cc21a stream 0.000000 0210 e6be 0.00%
0067a80c08 0.00 0.019286 0030 e6be 0.00%
007a5b78aa 0.13 0.082109 0030 57da 0.00%
007c60b29a 0.00 0.020019 0030 e6be 0.00%