This https://commons.wikimedia.org/w/index.php?limit=100&title=Special%3AContributions&contribs=user&target=Yann&namespace=11&tagfilter=&start=&end=
produces repeatedly
PHP fatal error: entire web request took longer than 60 seconds and timed out
Console message is
Failed to load resource: the server responded with a status of 500 ()