X-Ser

HTTP response header

Header usage statistics

X-Ser response header information and usage statistics.

Websites using header X-Ser6,878
Percentage of websites that use X-Ser header<0.1%
Total discovered header values1,569
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country CN

X-Ser Directives

X-Ser directives value information and usage statistics

DirectiveShareWebsites countUnique Values

Distribution by websites popularity

X-Ser detection in the top websites by popularity

Top 10k sites20 websites
Top 100k sites102 websites
Top 1m sites706 websites

Websites utilizing X-Ser

List of websites that use X-Ser header

DomainCountryRankContacts
123.click.com.cn CN233
fe.faisys.com US1,203
jzfe.faisys.com US1,294
2.ss.faisys.com US1,840
1.ss.faisys.com US1,962
0.ss.faisys.com US2,125
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-Ser header values

Header valueValue prevalence
BC67_US-California-santa-clara-1-cache-22.68%
BC138_dx-lt-yd-neimenggu-huhehaote-21-cache-5, BC67_US-California-santa-clara-1-cache-21.99%
BC76_dx-lt-yd-zhejiang-wenzhou-11-cache-7, BC67_US-California-santa-clara-1-cache-21.79%
BC31_dx-guizhou-guiyang-12-cache-11.73%
BC25_dx-lt-yd-jiangsu-zhenjiang-3-cache-9, BC67_US-California-santa-clara-1-cache-21.47%
BC185_dx-lt-yd-jiangsu-yancheng-8-cache-7, BC67_US-California-santa-clara-1-cache-21.47%
BC80_dx-lt-yd-jiangsu-taizhou-4-cache-4, BC67_US-California-santa-clara-1-cache-21.38%
BC204_dx-lt-yd-jiangsu-taizhou-4-cache-12, BC67_US-California-santa-clara-1-cache-21.32%
BC132_dx-lt-yd-zhejiang-jinhua-12-cache-8, BC67_US-California-santa-clara-1-cache-21.26%
BC45_dx-lt-yd-jiangsu-zhenjiang-3-cache-10, BC67_US-California-santa-clara-1-cache-21.22%
BC125_dx-lt-yd-zhejiang-wenzhou-11-cache-9, BC10_HK-xianggang-xianggang-30-cache-3, BC67_US-California-santa-clara-1-cache-21.15%
BC171_dx-lt-yd-jiangsu-zhenjiang-6-cache-4, BC67_US-California-santa-clara-1-cache-21.12%
BC226_dx-lt-yd-jiangsu-suqian-5-cache-5, BC10_HK-xianggang-xianggang-30-cache-3, BC67_US-California-santa-clara-1-cache-21.05%
BC70_dx-lt-yd-jiangsu-taizhou-4-cache-3, BC67_US-California-santa-clara-1-cache-21.02%
BC209_dx-lt-yd-jiangsu-huaian-8-cache-2, BC10_HK-xianggang-xianggang-30-cache-3, BC67_US-California-santa-clara-1-cache-21.00%
BC167_dx-lt-yd-jiangsu-yancheng-8-cache-8, BC10_HK-xianggang-xianggang-30-cache-3, BC67_US-California-santa-clara-1-cache-20.97%
BC20_dx-lt-yd-zhejiang-jinhua-5-cache-2, BC10_HK-xianggang-xianggang-30-cache-3, BC67_US-California-santa-clara-1-cache-20.87%
BC44_dx-lt-yd-shandong-jinan-5-cache-6, BC108_US-Colorado-Denver-1-cache-2, BC114_US-Washington-seattle-1-cache-30.84%
BC141_dx-lt-yd-zhejiang-huzhou-3-cache-5, BC10_HK-xianggang-xianggang-30-cache-3, BC67_US-California-santa-clara-1-cache-20.68%
BC141_dx-lt-yd-zhejiang-huzhou-3-cache-5, BC30_dx-jiangsu-zhenjiang-8-cache-20.68%