Help & Documentation
Overview & Executive
Anomalies Snapshot
Statistical alarm that flags unusual click and impression days inside your reporting period.
SERP Volatility
Daily ranking-churn score across your portfolio — early warning for algorithm updates and SERP turbulence.
Traffic Trend
Daily clicks, impressions, CTR and average position over time with annotations and rollups.
Brand vs Non-Brand
Splits your top queries into brand and non-brand buckets so you can see where demand really comes from.
Insights & Scenarios Reference
Every auto-generated insight, alert and scenario the platform can produce — what triggers it, what it means, what to do.
Weekly Digest
An auto-generated 7-day briefing — traffic delta, top winner and loser page, breakout keyword, and your biggest quick wins for the week.
Performance
Top Queries
Your highest-traffic search queries ranked by clicks, with CTR and position context.
Top Pages
The URLs delivering the most organic traffic and how their CTR and position compare.
Content ROI Tiers
Classifies every page into Star, Workhorse, Sleeper, or Dead-weight based on traffic volume versus the prior period — your content portfolio at a glance.
Opportunities
CTR Opportunities
Queries where your CTR is below the expected curve for their position — easy click wins.
CTR Underperformers
Page-one queries underperforming vs your site's own CTR curve — rewrite titles/metas first.
Content Decay
Pages whose clicks are trending down period-over-period and need refresh attention.
New Keywords
Queries appearing in Search Console for the first time inside your selected window.
Long-tail Keywords
Multi-word queries with niche intent and lower competition you can capture quickly.
Questions Report
Question-style queries (who, what, why, how…) ideal for FAQ and explainer content.
Striking Distance
Queries ranking just outside the top of page one (positions ~8–20) — your fastest wins.
Cannibalization
Queries where multiple URLs of yours compete for the same intent and dilute each other.
Cannibalization Severity Index
Ranks every cannibalized query by severity and assigns a verdict — Merge, Re-target or Internal-link to winner.
Breakdowns
Device Breakdown
Mobile vs desktop vs tablet performance — clicks, CTR and position for each.
Country Breakdown
Where in the world your traffic is coming from, ranked by clicks and engagement.
CTR Curve
Your real click-through rate at each ranking position — a baseline for setting goals.
Rankings Distribution
How many of your queries sit on page 1, 2, 3+ — a portfolio view of visibility.
Search Intent Mix
Classifies every query by buyer-journey intent so you can see which funnel stages you actually rank for.
Comparison
Brand vs Non-brand Health
Trends brand vs non-brand clicks over time so non-brand decline can't hide behind a healthy headline number.
Year-over-Year Dashboard
Same period this year vs the same period last year, side by side.
Winners & Losers
Pages and queries with the biggest gains and biggest losses period-over-period.
Rising Pages
Pages whose clicks are accelerating versus the previous period — momentum to amplify.
Falling Pages
Pages losing the most clicks compared to the previous period — diagnose and rescue.
Structural
Site Section Contribution
How each top-level URL section (e.g. /blog, /products) contributes to total clicks.
Search Appearance Summary
Performance broken down by SERP feature (rich results, FAQ, video, etc.).
Raw Data Exports
All Queries Daily
Every query × day row in your selected window — the unfiltered source for deep dives.
All Pages Daily
Every page × day row in your window — the page-level companion to All Queries Daily.
Full GSC Data
The complete query × page × day grain — full Search Console fidelity for export.
PageSpeed
PageSpeed Overview
Latest mobile and desktop performance scores from Google PageSpeed Insights.
Core Web Vitals Distribution
How your URLs distribute across Good / Needs Improvement / Poor for each Core Web Vital.
PSI Opportunities
The Lighthouse audit findings (e.g. unused JavaScript) ranked by estimated savings — your prioritised performance backlog.
PSI Diagnostics
The 'why' behind a poor PageSpeed score — page weight, DOM size, TTFB, JS execution and other Lighthouse diagnostics rolled up across your URLs.
Third-party Impact
How much your visitors pay (in main-thread time and bytes) for every external vendor script — analytics, tag managers, chat widgets, embeds.
Worst Pages Leaderboard
A sortable leaderboard of your slowest pages with LCP, CLS, INP, TBT and PageSpeed score side-by-side, mobile vs desktop.
Slow + Popular Pages
Pages getting the most clicks AND scoring the worst on PageSpeed — every fix here moves the most users.
PageSpeed History
Trend of PageSpeed scores and Core Web Vitals over time so you can see progress.
Indexing & Crawl
Index Coverage
How many of your URLs are indexed vs excluded, with reasons grouped for triage.
Indexing Leak Detector
Excluded URLs that are still pulling impressions — the highest-leverage indexing fixes.
Crawl Efficiency
Where Googlebot is wasting its budget vs which money pages it has neglected.
Mobile-first Indexing Gaps
Pages earning clicks while still crawled as Desktop or flagged with mobile usability errors — your mobile-first indexing risk list.
Sitemaps Status
Submitted sitemaps, last fetch results, and how many URLs each sitemap discovered.
Crawl Stats
Googlebot crawl activity — requests per day, response codes, file types and host status.
Robots.txt Monitor
3-hourly snapshot of your robots.txt with change history, unified diffs, and a critical alert the moment crawlers are blocked.
Cross-signal
Revenue-Weighted PSI
Weight every URL's mobile PageSpeed score by its real click volume — the score your visitors actually experience.
Striking Distance × Slow Pages
Queries 11–20 whose landing page is also slow — one fix unlocks both ranking and UX upside.
CTR Opportunities × Web Vitals
Stops you over-attributing CTR drops to copy when the landing page experience is the real culprit.
Mobile Performance Drag
Where mobile-first indexing is actively penalising you — high-traffic URLs whose mobile PageSpeed is far worse than desktop.
URL Health Score
A 0–100 composite per URL combining performance, indexing, traffic and on-page basics — one number to watch per page.
Methodology
Statistical Layer
How Metricstab tells signal from noise — trend tests, anomaly detection and confidence intervals applied to your Search Console data.
Change Tracking & Impact
Change Events
The structured change log. Record every SEO, content and technical change with type, target page groups, owner and before/after so Metricstab can attribute traffic shifts to the work that caused them.
Testing & Experiments
SEO A/B Testing Engine
Before/after statistical analysis of your on-page changes using Welch's t-test and Mann-Whitney U.
Browse the full documentation index · Press Esc to close
Overview Dashboard

SERP Volatility

SERP Volatility is Metricstab's portfolio-wide ranking-churn gauge. It answers a single question: did the SERP move more than usual today? When the gauge spikes, something happened — an algorithm update, a major competitor change, an indexing event, a manual action — and you should investigate before the click impact shows up in your trend chart.

What it is

A single daily number — the churn score — that summarises how much your ranking positions moved across the entire portfolio that day. It is paired with a 30-day baseline so you can tell at a glance whether today is Calm, Elevated, or a Spike.

This is intentionally not a per-query list. Per-query position standard deviation on GSC data is noisy: the underlying daily position is itself an aggregate across personalised SERPs, devices and locations. Aggregating across many queries cancels most of that noise and leaves you with a much cleaner signal.

How we compute it

  1. Pull the trailing 38 days of gsc_query_day.
  2. For every (query, day) with at least 10 impressions, compute the impression-weighted average position (SUM(sum_position) / SUM(impressions)).
  3. Pair each day with the same query's prior day. If the query also had ≥10 impressions yesterday, compute |Δposition| — the absolute change in that query's position from yesterday to today.
  4. Per day, the churn score is the impression-weighted mean of those |Δposition| values across all qualifying queries: SUM(|Δposition| × impressions) / SUM(impressions).
  5. Days with fewer than 5 qualifying queries are dropped (sample too small to be meaningful).
  6. The baseline is the mean and standard deviation of the prior 30 days (excluding today, so an ongoing event does not poison its own baseline).
  7. The z-score is (today − baseline mean) / baseline std. The Calm/Elevated/Spike label is set from that z: z < 1 → Calm, 1 ≤ z < 2 → Elevated, z ≥ 2 → Spike.
The card requires at least 14 days of qualifying history (with at least 7 days in the baseline window) before it appears. New sites or sites with very thin daily traffic will not show this card until enough data has accrued.

How to read each part

  • Today's churn score — the average ranking move (in SERP positions) per impression-weighted query for the latest available day. A score of 0.4 means a typical query moved roughly 0.4 positions vs yesterday; a score of 3.0 means rankings churned by ~3 positions on average — a lot.
  • Calm — today is within 1σ of the baseline. Normal day-to-day SERP rotation.
  • Elevated — 1–2σ above baseline. Worth a quick look at Winners/Losers but no immediate action needed.
  • Spike — ≥2σ above baseline. The SERP itself moved meaningfully — investigate today.
  • σ chip (e.g. +1.4σ) — how many standard deviations away from the 30-day baseline today sits.
  • Sparkline — the last 30 daily churn scores. The dashed orange line is the baseline mean — an obvious pop above it is the signal.

What to do with it

If today is a Spike
  • Open Winners/Losers for a date range that includes the spike day and look for big position changes.
  • Cross-check against Annotations — was there a release, a deployment, a known SEO event?
  • Check third-party SEO trackers (e.g. Semrush Sensor, MozCast) for confirmed Google updates that day.
  • Look at Anomalies Snapshot: if clicks/impressions also moved that day, it's likely real impact rather than just SERP shuffle.
If Elevated
  • No emergency — but make a note. If the next day is also Elevated or worse, it's the start of an event, not noise.
  • Glance at Striking Distance and Content Decay — these reports surface the underlying queries/pages most likely to be affected.

Caveats & gotchas

  • GSC's daily position is itself an aggregate of personalised SERP positions. The churn score captures relative change well but should not be read as a precise rank-tracker delta.
  • For very small sites (few queries clearing the 10-impressions/day floor), the score can be choppy. The 5-query minimum filter cuts the worst of this; below that we drop the day entirely.
  • The baseline is computed against the prior 30 days only. A sustained week-long event will eventually be absorbed into the baseline — the card flags change, not level.
  • Search Console has a 2–3 day data lag, so "today" on this card is the latest day GSC has reported for your site, not the literal calendar today.

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