async function request(instance) {
const data = await aq.loadJSON(url(instance))
return data.derive({
instance: aq.escape(instance),
week: aq.escape(d => d3.utcParse('%Q')(d.week * 1e3)),
statuses: d => op.parse_int(d.statuses),
logins: d => op.parse_int(d.logins),
registrations: d => op.parse_int(d.registrations)
})
}