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Wiki Stats: Problem Detecting (unique) Desktop Devices since August 2025?
Open, Needs TriagePublicBUG REPORT

Description

Steps to replicate the issue (include links if applicable):
See development of the chart of DEWIKI
https://stats.wikimedia.org/#/de.wikipedia.org/reading/unique-devices/normal%7Cline%7C2022-12-31~2025-12-14%7Caccess-site~mobile-site*desktop-site%7Cmonthly
with desktop even exceeding mobile (!)

or of ENWIKI, too.
https://stats.wikimedia.org/#/en.wikipedia.org/reading/unique-devices/normal%7Cline%7C2022-12-31~2025-12-14%7Caccess-site~mobile-site*desktop-site%7Cmonthly

  • To be expected

While the general trend of desktop devices in the last year is slightly declining, from august 2025 it is now suddenly rapidly growing, which is not to be expected. According to the log bot detection seems to have changed, please check if this data is still valid or a spike occured.
LLM interference is to be expected but hopefully can be excluded.

Thank you very much!

Software version (on Special:Version page; skip for WMF-hosted wikis like Wikipedia):
Current version of wikistats

Other information (browser name/version, screenshots, etc.):
Chrome Version 147.0.7727.138
firefox 150.0.1 (64-Bit)
Both with same result.

Event Timeline

Restricted Application added a subscriber: Aklapper. · View Herald Transcript
Ahoelzl added subscribers: Hghani, Ahoelzl.

@Hghani can you evaluate if this is related to any data incident or needs to be investigated?