seo-rank-tracker — Keyword Ranking Monitoring

Ranking Data Sources

Source	Data Type	Pros	Cons
GSC Search Performance	Avg position (impressions-weighted)	Free, real data, query-level	Averaged, 2-day delay, sampled
CrUX + GSC combined	Position + performance correlation	Links CWV to rankings	Requires both APIs
Third-party SERP APIs	Exact position, SERP features	Real-time, geo-specific	Paid, rate-limited
Manual spot checks	Visual SERP inspection	Accurate, sees full context	Doesn't scale

Position is impressions-weighted average — a page ranking #3 for 100 impressions and #50 for 10 impressions shows as ~7.3
Data is 2 days delayed (hourly granularity available via API since Dec 2025)
Positions are sampled for high-volume queries
Filter by device to see mobile vs desktop separately
Filter by country for geo-specific rankings