v4 FIX: Primary YoY now uses COMPLETE MONTHS (Dec 2025 vs Dec 2024) instead of flawed partial-month comparison (Jan 2026 vs Jan 2025). Jan 2026 has only 25 days - comparing to 31-day Jan 2025 was invalid.
Updated: January 25, 2026 - Corrected YoY methodology
Conference Paper: Has Google Organic Traffic Peaked?
v4 Methodology Fixes:
- PRIMARY YoY: Dec 2025 vs Dec 2024 (COMPLETE MONTHS)
- Removed invalid Jan 2026 vs Jan 2025 comparison
- Historical baseline: Jan 2025 vs Jan 2024 (validates peak)
- Year-by-Year Trend Chart (2023 vs 2024 vs 2025)
- 19 charts total