campaign-visibility-timeframes(Root Type for campaign-visibility-timeframes)
The Visibility shows your website’s share of the total searches (impressions), out of the total potential it could get.
Performance is the Visibility trend generated by the keywords tracked throughout the entire selected timeframe (so ignoring the ones added later than the start date, for example)
{
"desktop": {
"visibility": 11.8,
"performance": -0.44
},
"mobile": {
"visibility": 11.8,
"performance": -0.24
},
"blended": {
"visibility": 11.8,
"performance": -0.3
}
}