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jsDelivr status

How long one request to jsDelivr takes from 6 cities, checked every 30 minutes.

  • CDN
  • jsDelivr
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Last checked Every 30 minutes

Responding normally from 6 cities

jsDelivr is responding normally from all 6 cities.

Typical response time
12 ms
Last 24 hours · usually 12 ms
Slower response time
70 ms
95% of checks came in under this
Failed requests
0
Out of 828 requests in 24 hours
Open incidents
0
None right now

jsDelivr by city

The latest response time from each test location against its usual value. Each mark in the strip is one check.

CityStatusNowUsualLast 24 hours
NetherlandsAmsterdamNormal10 ms9 ms
United StatesSan FranciscoNormal45 ms42 ms
CanadaMontrealNormal169 ms12 ms
SingaporeSingaporeNormal11 ms11 ms
JapanTokyoNormal8 ms9 ms
IndiaMumbaiNormal13 ms17 ms
  • Normal
  • Slower than usual
  • Some requests failed or degraded
  • No check, or ours couldn't be verified

Colours compare each city with its own usual value, not with other services or cities. In the strip, grey marks are normal checks.

Last 24 hours

Response time for each check, as the median across all cities.

0 ms10 ms20 ms22:0001:0004:0007:0010:0013:0016:0019:00
Median across cities, each check (UTC)Usual (12 ms)

Recent incidents

All incidents →

No confirmed incidents in the last 7 days.

How these checks work

  • Every 30 minutes, each of our 6 test locations sends 3 requests to every service on this page.
  • We compare each result with the same city's usual value over the last 7 days. A city is slower than usual above 1.5× that value (and at least 250 ms more), and degraded above 2.5×.
  • If 10% or more of a city's recent requests fail, it shows "Some requests failed"; from 25% it is degraded.
  • One city has to stay that way for 90 minutes before we show it. When 3 or more cities see it at the same time, we show it straight away. It takes 90 minutes of normal checks to clear.
  • Each city also fetches two small files from two unrelated networks. If both are slow too, the problem is most likely on our side, and we say so instead of blaming the service.

Full method →

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