new GuessPlugin({
 // GA view ID.
 GA: GAViewID,
 // Hints Guess to not perform pre-fetching and delegate this logic to
 // its consumer.
 runtime: { delegate: true },
 // Since Gatsby already has the required metadata for pre-fetching,
 // Guess does not have to collect the routes and the corresponding
 // bundle entry points.
 routeProvider: false,
 // Optional argument. It takes the data for the last year if not
 // specified.
 period: period ? period : undefined,
})