Function comparePeriods

comparePeriods(
    siteUrl: string,
    period1Start: string,
    period1End: string,
    period2Start: string,
    period2End: string,
): Promise<PeriodComparison>
Compare performance metrics between two distinct date periods (e.g., Week-over-Week).
Parameters
- siteUrl: string
  The URL of the site to analyze.
- period1Start: string
  Start of the current period.
- period1End: string
  End of the current period.
- period2Start: string
  Start of the comparison period.
- period2End: string
  End of the comparison period.
Returns Promise<PeriodComparison>
A comparison object containing metrics for both periods and the calculated deltas.
- Defined in google/tools/analytics.ts:301