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The GEO Index · Australia

The publishers and platforms AI models reach for when answering Australia-market questions, ranked by citation share, with weekly movement.

Rolling 4 weeks: 10,497 citations · 2,583 model responses · every named domain seen across ≥ 2 independent projects

By modelAll modelsClaudePerplexityGeminiChatGPTGrokGoogle AIOGoogle AI Mode
By marketUnited KingdomCosta RicaPeruUnited StatesArgentinaColombiaFranceBelgiumBrazilChileGermany

This week's movers

Citation-share change, week commencing 2026-08-31 vs 2026-09-07. Minimum 25 citations in both weeks and a 0.2pp move to qualify; domains newly added to monitoring don't count as movers.

Gaining
vic.gov.au 0.5% → 2.1% ▲ +1.6pp
nsw.gov.au 1.7% → 2.0% ▲ +0.3pp
Declining
youtube.com 4.8% → 3.2% ▼ -1.6pp

Most-cited websites · Australia

Top 50 domains by share of all citations in the rolling window. The trend column is the weekly share trajectory.

#DomainShareCitationsTrend
1 youtube.com 4.1% 433 All models · Australia → youtube.com · w/c 24 Aug · 3.4%All models · Australia → youtube.com · w/c 31 Aug · 4.8%All models · Australia → youtube.com · w/c 7 Sept · 3.2%All models · Australia → youtube.com · w/c 14 Sept · 2.3%
2 carsales.com.au 2.2% 226
3 ato.gov.au 2.1% 224
4 reddit.com 2.0% 214 All models · Australia → reddit.com · w/c 24 Aug · 4.9%All models · Australia → reddit.com · w/c 31 Aug · 1.7%All models · Australia → reddit.com · w/c 7 Sept · 0.9%All models · Australia → reddit.com · w/c 14 Sept · 4.3%
5 carexpert.com.au 2.0% 209
6 facebook.com 1.9% 203 All models · Australia → facebook.com · w/c 24 Aug · 2.1%All models · Australia → facebook.com · w/c 31 Aug · 2.0%All models · Australia → facebook.com · w/c 7 Sept · 1.9%All models · Australia → facebook.com · w/c 14 Sept · 1.3%
7 acnc.gov.au 1.6% 169
8 nsw.gov.au 1.5% 156 All models · Australia → nsw.gov.au · w/c 31 Aug · 1.7%All models · Australia → nsw.gov.au · w/c 7 Sept · 2.0%
9 drive.com.au 1.3% 140
10 racv.com.au 1.3% 136 All models · Australia → racv.com.au · w/c 31 Aug · 2.1%All models · Australia → racv.com.au · w/c 7 Sept · 0.1%
11 cars24.com.au 1.2% 130
12 club4x4.com.au 1.1% 111
13 toyota.com.au 1.0% 103
14 ford.com.au 1.0% 103
15 4x4australia.com.au 1.0% 100
16 carsguide.com.au 0.9% 96
17 asthma.org.au 0.9% 91
18 chasingcars.com.au 0.8% 87
19 vic.gov.au 0.8% 79
20 hollows.org 0.7% 73
21 nih.gov 0.7% 70
22 google.com 0.6% 68
23 redcross.org.au 0.6% 66
24 healthdirect.gov.au 0.5% 57
25 choice.com.au 0.5% 56
26 qld.gov.au 0.5% 52
27 lifeline.org.au 0.5% 51
28 whichcar.com.au 0.5% 49
29 australianphilanthropicservices.com.au 0.5% 48
30 beyondblue.org.au 0.5% 48
31 givenow.com.au 0.4% 41
32 mercyships.org.au 0.4% 40
33 oxfam.org.au 0.4% 37
34 zeffy.com 0.3% 35
35 manofmany.com 0.3% 35
36 lawbridge.com.au 0.3% 35
37 health.gov.au 0.3% 33
38 carbarn.com.au 0.3% 33
39 savethechildren.org.au 0.3% 32
40 mynrma.com.au 0.3% 32
41 isuzuute.com.au 0.3% 31
42 philanthropy.org.au 0.3% 30
43 ecoflow.com 0.3% 29
44 nhvr.gov.au 0.3% 28
45 communityfoundation.org.au 0.3% 28
46 rac.com.au 0.3% 27
47 givingadvisory.com.au 0.2% 26
48 wikipedia.org 0.2% 26
49 racq.com.au 0.2% 25
50 novatedleaseaustralia.com.au 0.2% 25

Methodology

  • What's counted: every citation/source URL returned by citation-capable AI models for Australia-market projects across the rolling 4 ISO weeks, aggregated from every analysis run on BrandInsightAI. Citations deduplicate to one registrable domain per model response.
  • Quality gate: a domain must appear across ≥ 2 distinct projects to be named; shares are computed against ALL citations in scope, so the gate hides names, never distorts percentages.
  • Movers: week-over-week comparisons use the two most recent COMPLETE ISO weeks (2026-08-31 → 2026-09-07); the in-progress week is excluded because it refreshes hourly, and a domain must clear the citation floor in BOTH weeks, so a newly monitored category entering the dataset never shows up as a gainer.
  • Freshness: the snapshot behind this page recomputes every hour. All figures are measured, never estimated.

Where next

This board answers "which websites does AI cite?". These answer the questions that come next — which brands it recommends, which sources each model prefers, and how any of it is counted.

By modelAll modelsClaudePerplexityGeminiChatGPTGrokGoogle AIOGoogle AI Mode
By marketUnited KingdomCosta RicaPeruUnited StatesArgentinaColombiaFranceBelgiumBrazilChileGermany
Explorer The AI Source Index Dig into which sources each model trusts, filterable by market — compiled into a quarterly report you can download as PowerPoint or PDF. Updated hourly Live leaderboards The Category Index The board behind the story — every category ranked: brand visibility, citation share and how often a read page actually gets cited. Refreshed weekly Live leaderboard The AI Desire Index What AI assistants want from a brand: attraction, affinity and attachment for every brand in every category, indexed and refreshed weekly. Refreshed weekly Journal Analysis & articles The data journalism series — weekly citation movers, model vs model, what gets cited and why. Every edition reviewed before it publishes. New articles weekly Data story The Category Report How AI shops for Britain: the brands ChatGPT, Claude and Gemini actually recommend across 20 consumer categories, told as an animated story. Refreshed weekly Reference Methodology How every number is measured: real AI answers, counted not estimated, with sample sizes and limitations stated on every page. The rules behind it all Start here Insights overview The whole picture in one page: every live board, every data story and every published analysis, with what each one answers. The map of everything