Server-Timing

HTTP response header

The Server-Timing header field is used to communicate one or more metrics and descriptions for the given request-response cycle

Header usage statistics

Server-Timing response header information and usage statistics.

Websites using header Server-Timing 3,606,334
Percentage of websites that use Server-Timing header 3.64%
Total discovered header values 10,001
Header uses directives Yes
Header values are unique or random No
Most popular in the country Israel

Server-Timing Directives (4 total)

  • cache
  • cpu
  • db
  • total

Server-Timing Directives

Server-Timing directives value information and usage statistics

Directive Share Websites count Unique Values
cache 95.48% 3,443,309 7
total 0.28% 10,203 93
cpu <0.1% 442 8
db <0.1% 398 7

Distribution by websites popularity

Server-Timing detection in the top websites by popularity

Top 10k sites 363 websites
Top 100k sites 2,665 websites
Top 1m sites 21,720 websites

Websites utilizing Server-Timing

List of websites that use Server-Timing header

Domain Country Rank Contacts
polyfill.io United States of America 39
www.afternic.com United States of America 52
en.wikipedia.org United States of America 53
www.adobe.com United States of America 88
ads.google.com United States of America 93
www.wix.com Israel 132
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 Server-Timing header values

Header value Value prevalence
cache;desc=hit, varnish;desc=hit, dc;desc=96 48.89%
cache;desc=miss, varnish;desc=miss, dc;desc=96 32.03%
cache;desc=hit, varnish;desc=hit, dc;desc=42 7.96%
cache;desc=miss, varnish;desc=miss, dc;desc=42 3.27%
cache;desc=hit, varnish;desc=hit_miss, dc;desc=fastly 1.15%
cdn-cache; desc=MISS 0.57%
cache;desc=hit, varnish;desc=hit_hit, dc;desc=fastly 0.55%
cdn-cache; desc=HIT 0.43%
cache;desc=none 0.39%
cache;desc=miss, varnish;desc=miss, dc;desc=84 0.39%
cache;desc=hit, varnish;desc=hit, dc;desc=84 0.35%
cache;desc=miss, varnish;desc=miss_miss, dc;desc=fastly 0.30%
cdn-cache; desc=REVALIDATE 0.16%
MISS , rt;dur=0.019;desc=Process-Time 0.12%
MISS , rt;dur=0.020;desc=Process-Time 0.08%
cache;desc="int-front", host;desc="cp1081" 0.06%
HIT-SYNTH, fastly;desc="Edge time";dur=0 0.06%
MISS , rt;dur=0.018;desc=Process-Time 0.06%
MISS , rt;dur=0.021;desc=Process-Time 0.05%
MISS , rt;dur=0.002;desc=Process-Time 0.04%