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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: 11,066 citations · 2,979 model responses · every named domain seen across ≥ 2 independent projects

By modelAll modelsClaudeGeminiChatGPTGrokGoogle AIOGoogle AI Mode
By marketUnited KingdomIrelandCosta RicaUnited StatesPeruColombiaFranceMexicoNetherlandsGermanyBrazilArgentina

This week's movers

Citation-share change, week commencing 2026-09-14 vs 2026-09-21. Minimum 25 citations in both weeks and a 0.2pp move to qualify; domains newly added to monitoring don't count as movers.

Gaining

No qualifying gainers this week.

Declining

No qualifying decliners this week.

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 4.6% 512 All models · Australia → youtube.com · w/c 7 Sept · 3.2%All models · Australia → youtube.com · w/c 14 Sept · 2.3%All models · Australia → youtube.com · w/c 21 Sept · 4.9%All models · Australia → youtube.com · w/c 12 Oct · 5.4%
2 reddit.com 2.8% 310 All models · Australia → reddit.com · w/c 7 Sept · 0.9%All models · Australia → reddit.com · w/c 14 Sept · 4.3%All models · Australia → reddit.com · w/c 21 Sept · 2.3%All models · Australia → reddit.com · w/c 12 Oct · 3.6%
3 facebook.com 2.4% 267 All models · Australia → facebook.com · w/c 7 Sept · 1.9%All models · Australia → facebook.com · w/c 14 Sept · 1.3%All models · Australia → facebook.com · w/c 21 Sept · 1.7%All models · Australia → facebook.com · w/c 12 Oct · 3.2%
4 carexpert.com.au 2.1% 227 All models · Australia → carexpert.com.au · w/c 21 Sept · 3.4%All models · Australia → carexpert.com.au · w/c 12 Oct · 2.6%
5 drive.com.au 1.9% 213 All models · Australia → drive.com.au · w/c 21 Sept · 3.0%All models · Australia → drive.com.au · w/c 12 Oct · 2.5%
6 carsales.com.au 1.4% 154 All models · Australia → carsales.com.au · w/c 21 Sept · 2.6%All models · Australia → carsales.com.au · w/c 12 Oct · 1.6%
7 racv.com.au 1.2% 135 All models · Australia → racv.com.au · w/c 7 Sept · 0.1%All models · Australia → racv.com.au · w/c 21 Sept · 1.7%All models · Australia → racv.com.au · w/c 12 Oct · 1.6%
8 energy.gov.au 1.1% 127 All models · Australia → energy.gov.au · w/c 7 Sept · 1.6%All models · Australia → energy.gov.au · w/c 21 Sept · 0.5%All models · Australia → energy.gov.au · w/c 12 Oct · 1.4%
9 aer.gov.au 1.1% 123 All models · Australia → aer.gov.au · w/c 7 Sept · 3.1%All models · Australia → aer.gov.au · w/c 12 Oct · 1.0%
10 carsguide.com.au 1.1% 120 All models · Australia → carsguide.com.au · w/c 21 Sept · 1.9%All models · Australia → carsguide.com.au · w/c 12 Oct · 1.3%
11 nsw.gov.au 1.0% 108 All models · Australia → nsw.gov.au · w/c 7 Sept · 2.0%All models · Australia → nsw.gov.au · w/c 21 Sept · 0.7%All models · Australia → nsw.gov.au · w/c 12 Oct · 0.8%
12 cars24.com.au 1.0% 107 All models · Australia → cars24.com.au · w/c 21 Sept · 1.3%All models · Australia → cars24.com.au · w/c 12 Oct · 1.3%
13 shopping.google.com 1.0% 106 All models · Australia → shopping.google.com · w/c 7 Sept · 0.1%All models · Australia → shopping.google.com · w/c 14 Sept · 2.2%All models · Australia → shopping.google.com · w/c 21 Sept · 0.6%All models · Australia → shopping.google.com · w/c 12 Oct · 1.3%
14 qantas.com 0.9% 99 All models · Australia → qantas.com · w/c 14 Sept · 0.1%All models · Australia → qantas.com · w/c 12 Oct · 1.8%
15 vic.gov.au 0.9% 96 All models · Australia → vic.gov.au · w/c 7 Sept · 2.1%All models · Australia → vic.gov.au · w/c 21 Sept · 0.3%All models · Australia → vic.gov.au · w/c 12 Oct · 0.7%
16 asthma.org.au 0.8% 94
17 whichcar.com.au 0.8% 87
18 instagram.com 0.7% 74
19 carbarn.com.au 0.7% 72
20 choice.com.au 0.6% 61
21 evcentral.com.au 0.5% 60
22 chasingcars.com.au 0.5% 60
23 mercedes-benz.com.au 0.5% 57
24 nih.gov 0.5% 55
25 virginaustralia.com 0.5% 55
26 bmw.com.au 0.5% 54
27 thebeep.com.au 0.5% 53
28 autobuyersguide.com.au 0.5% 52
29 healthdirect.gov.au 0.5% 51
30 lexus.com.au 0.5% 51
31 aemc.gov.au 0.4% 49
32 qld.gov.au 0.4% 48
33 greenvehicleguide.gov.au 0.4% 47
34 australiantraveller.com 0.4% 45
35 ato.gov.au 0.4% 41
36 gridly.com.au 0.4% 40
37 ecoflow.com 0.3% 38
38 asn.au 0.3% 37
39 iseecars.com 0.3% 37
40 manofmany.com 0.3% 36
41 mynrma.com.au 0.3% 36
42 toyota.com.au 0.3% 34
43 originenergy.com.au 0.3% 34
44 audi.com.au 0.3% 34
45 edmunds.com 0.3% 33
46 mctmotorsport.com.au 0.3% 33
47 electricvehiclecouncil.com.au 0.3% 32
48 wikipedia.org 0.3% 31
49 canstar.com.au 0.3% 31
50 wa.gov.au 0.3% 31

The race for the top

Where the leading sources sat against each other, week by week. Rank space makes every crossing an event.

Figure 1The race for the top of the index
The race for the top of the index#1#2#3#4#5#67 Sept14 Sept21 Sept12 Octyoutube.com: #1 → #1 youtube.com reddit.com: #5 → #2 reddit.com facebook.com: #3 → #3 facebook.com racv.com.au: #6 → #4 racv.com.au energy.gov.au: #4 → #5 energy.gov.au nsw.gov.au: #2 → #6 nsw.gov.au 4 places lost nsw.gov.au, #2 → #6
Rank within the top 6 sources, week by week. Only the biggest mover is coloured; the greys are the rest of the field.
Data table
Series7 Sept14 Sept21 Sept12 Oct
youtube.com1211
reddit.com5122
facebook.com3333
racv.com.au6444
energy.gov.au4565
nsw.gov.au2656

4 places lost: nsw.gov.au, #2 → #6 (12 Oct)

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 (2026-09-14 → 2026-09-21); 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 modelsClaudeGeminiChatGPTGrokGoogle AIOGoogle AI Mode
By marketUnited KingdomIrelandCosta RicaUnited StatesPeruColombiaFranceMexicoNetherlandsGermanyBrazilArgentina
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