X-Ser

HTTP response header

Header usage statistics

X-Ser response header information and usage statistics.
Websites using header X-Ser5,709
Percentage of websites that use X-Ser header<0.1%
Total discovered header values2,477
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country China

X-Ser Directives

X-Ser directives value information and usage statistics
DirectiveShareWebsites countUnique Values

X-Ser header usage distribution by website rank



Geographical Distribution

Header usage distribution by websites across the globe.



Websites utilizing X-Ser

List of websites that use X-Ser header
DomainCountryRankContacts
cdn.bootcss.com United States226
123.click.com.cn China233
cdn.bootcdn.net China1,112
n.sinaimg.cn China1,163
fe.faisys.com United States1,203
jzfe.faisys.com United States1,294
See full domain list

Common header values

List of top common X-Ser header values
Header valueValue prevalence
BC197_yd-fujian-quanzhou-14-cache-121.52%
BC142_dx-lt-yd-zhejiang-jinhua-5-cache-18, BC229_US-California-santa-clara-1-cache-3, BC34_US-California-Losangeles-16-cache-21.44%
BC204_dx-lt-yd-jiangsu-taizhou-4-cache-12, BC40_dx-zhejiang-wenzhou-26-cache-21.12%
BC9_dx-lt-yd-zhejiang-jinhua-5-cache-1, BC40_dx-zhejiang-wenzhou-26-cache-20.93%
BC87_dx-lt-yd-zhejiang-wenzhou-11-cache-6, BC40_dx-zhejiang-wenzhou-26-cache-20.89%
BC29_dx-hubei-xiangyang-15-cache-10.82%
BC200_dx-lt-yd-jiangsu-huaian-8-cache-2, BC40_dx-zhejiang-wenzhou-26-cache-20.74%
BC156_dx-lt-yd-zhejiang-wenzhou-11-cache-7, BC40_dx-zhejiang-wenzhou-26-cache-20.68%
BC202_dx-lt-yd-zhejiang-wenzhou-11-cache-14, BC40_dx-zhejiang-wenzhou-26-cache-20.56%
BC147_dx-hunan-changsha-20-cache-10.54%
BC200_dx-lt-yd-jiangsu-huaian-8-cache-2, BC38_dx-jiangsu-xuzhou-22-cache-10.47%
BC141_dx-lt-yd-jiangsu-yancheng-8-cache-16, BC40_dx-zhejiang-wenzhou-26-cache-20.42%
BC72_US-California-santa-clara-1-cache-20.40%
BC35_dx-lt-yd-zhejiang-jinhua-12-cache-2, BC40_dx-zhejiang-wenzhou-26-cache-20.40%
BC168_dx-lt-yd-zhejiang-jinhua-5-cache-6, BC40_dx-zhejiang-wenzhou-26-cache-20.39%
BC87_dx-lt-yd-zhejiang-wenzhou-11-cache-6, BC38_dx-jiangsu-xuzhou-22-cache-10.39%
BC156_dx-lt-yd-zhejiang-wenzhou-11-cache-7, BC229_US-California-santa-clara-1-cache-3, BC107_US-Florida-tampa-1-cache-10.37%
BC204_dx-lt-yd-jiangsu-taizhou-4-cache-12, BC38_dx-jiangsu-xuzhou-22-cache-10.37%
BC229_US-California-santa-clara-1-cache-30.37%
BC71_dx-lt-yd-zhejiang-huzhou-3-cache-3, BC40_dx-zhejiang-wenzhou-26-cache-20.35%