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Breakdowns

Device Breakdown

Device Breakdown splits all your Search Console performance into three buckets — mobile, desktop and tablet — and lets you see how each device class contributes to clicks, impressions, CTR and average position. The way Google ranks and renders pages is increasingly device-specific (mobile-first indexing, distinct Core Web Vitals targets, SERP layouts that differ by form factor), and this report is where those differences become visible. Use it whenever a top-line trend looks confusing — a device split almost always explains it.

What it measures

  • Device — mobile, desktop, tablet.
  • Clicks / Impressions — totals over the selected window for each device.
  • CTR — clicks ÷ impressions, computed at display time so it reflects the full window rather than an average of daily CTRs.
  • Average position — impression-weighted, so it answers "on the typical impression on this device, what position were we?".
  • Period-over-period delta when a comparison range is selected, for every metric on every device.

How we compute it

  1. For the selected window, we read your Search Console daily performance broken out by device.
  2. We aggregate clicks and impressions per device, recompute CTR as a window total, and compute the impression-weighted average position per device.
  3. If a comparison range is selected, the same calculation runs against the previous window of equal length and is shown alongside as a delta.

Scenarios you'll see

Mobile-first traffic

Mobile contributes 60–80% of impressions on consumer / informational sites. If your mobile share is materially below the norm for your sector, audit mobile UX and Core Web Vitals — Google may be ranking you lower on phones.

Desktop-skewed B2B

Tools, dashboards, technical docs and B2B SaaS often see desktop clicks > mobile clicks even though impressions follow the opposite split. CTR will be much higher on desktop — that's healthy intent matching, not a problem.

Mobile-only regression

Desktop position holds steady; mobile position degrades. Likely culprits: a recent mobile layout change, slow mobile LCP, intrusive interstitials, or a mobile-specific Core Web Vitals failure. Cross-check the PSI report.

CTR gap by device

Desktop CTR meaningfully higher than mobile at the same average position. Often explained by SERP density: mobile shows more SERP features (PAA, AI overviews, ads) above your link than desktop does for the same query mix.

Tablet long-tail

Tablet is almost always the smallest bucket — usually 1–4% of clicks. Treat it as informational only; don't over-engineer for tablet unless your product is genuinely tablet-first.

Mobile-driven spike

A clicks spike that lives entirely on mobile typically traces back to a social referral re-introducing the page to Google's freshness loop, or a viral search trend. Use Top Pages + Anomalies Snapshot to confirm.

What to do with it

  1. Always read this report alongside Traffic Trend — most "mystery" trends in Traffic Trend are explained by one device class moving in a different direction.
  2. If mobile and desktop diverge in either CTR or position, prioritise the mobile experience — Google indexes the mobile rendering of your page first.
  3. For ecommerce / consumer sites, use mobile share of clicks as a leading indicator of brand and discovery health; it should be growing or stable, not declining.
  4. Pair this report with the PSI report to confirm whether device-specific position shifts have a Core Web Vitals root cause.

Caveats & limits

  • Search Console classifies tablets separately from mobile; iPads in particular sometimes drift between buckets after OS updates.
  • Mobile and desktop have different SERP layouts and feature densities, so position numbers are not directly comparable across devices — they're internally comparable to each device's own history.
  • The split is what Google reports; we don't enrich it with user-agent parsing.

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