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worldcat.org

Checking worldcat.org…

Asking our locations to reach the site. This takes a few seconds.

Uptime, 24 hours
100 %
Uptime, 7 days
100 %
Uptime, 30 days
100 %

Based on 1 day of checks so far. Checks that failed because of how we test, not because of the site, are left out.

Response time, last 24 hours

2026-10-09 11:04 UTC: 157 ms2026-10-09 11:20 UTC: 158 ms2026-10-09 11:35 UTC: 156 ms2026-10-09 11:51 UTC: 156 ms2026-10-09 12:07 UTC: 158 ms2026-10-09 12:22 UTC: 158 ms2026-10-09 12:38 UTC: 158 ms2026-10-09 12:53 UTC: 157 ms2026-10-09 13:09 UTC: 162 ms2026-10-09 13:25 UTC: 173 ms2026-10-09 13:40 UTC: 156 ms2026-10-09 13:56 UTC: 154 ms2026-10-09 14:11 UTC: 543 ms2026-10-09 14:27 UTC: 202 ms2026-10-09 14:42 UTC: 159 ms2026-10-09 14:58 UTC: 159 ms2026-10-09 15:14 UTC: 155 ms2026-10-09 15:29 UTC: 161 ms2026-10-09 15:45 UTC: 157 ms2026-10-09 16:00 UTC: 161 ms2026-10-09 16:16 UTC: 161 ms2026-10-09 16:31 UTC: 159 ms2026-10-09 16:47 UTC: 167 ms
Green: response time, full height at 250 ms or more. Red: down. Amber: not confirmed.

Response time by location, last 24 hours

LocationAverage responseReached
Berlin 1, Germany181 ms23 of 23 checks
Falkenstein, Germany44 ms23 of 23 checks
Berlin 2, Germany220 ms23 of 23 checks

Each check runs from all locations at once. A location far from the site’s servers answers later; that says nothing about the site being slow.

Outage history

No confirmed outage on record. An outage is listed once WorldCat could not be reached from at least two locations in two checks in a row.

Recent checks

TimeStatusLocationsResponse
2026-10-09 16:47 UTCUp3 of 3167 ms
2026-10-09 16:31 UTCUp3 of 3159 ms
2026-10-09 16:16 UTCUp3 of 3161 ms
2026-10-09 16:00 UTCUp3 of 3161 ms
2026-10-09 15:45 UTCUp3 of 3157 ms
2026-10-09 15:29 UTCUp3 of 3161 ms
2026-10-09 15:14 UTCUp3 of 3155 ms
2026-10-09 14:58 UTCUp3 of 3159 ms

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About WorldCat

WorldCat.org

WorldCat.org is a global catalog of library materials. You can search for books, music, video, articles and much more at libraries near you.

Visit worldcat.orgTitle and description as published by the site.

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