x-ttfb

HTTP response header

Header usage statistics

x-ttfb response header information and usage statistics.

Websites using header x-ttfb37,568
Percentage of websites that use x-ttfb header<0.1%
Total discovered header values1,379
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country US

x-ttfb Directives

x-ttfb directives value information and usage statistics

DirectiveShareWebsites countUnique Values

Distribution by websites popularity

x-ttfb detection in the top websites by popularity

Top 10k sites21 websites
Top 100k sites47 websites
Top 1m sites195 websites

Websites utilizing x-ttfb

List of websites that use x-ttfb header

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-ttfb header values

Header valueValue prevalence
0.01090.64%
0.01140.63%
0.0110.60%
0.01120.58%
0.01170.57%
0.01130.55%
0.01080.55%
0.01050.54%
0.01150.52%
0.01180.50%
0.01160.50%
0.01070.50%
0.01020.49%
0.01060.48%
0.01040.48%
0.01210.46%
0.01110.45%
0.01190.45%
0.0120.45%
0.01010.42%