Microsoft Copilot reaches deep into the everyday software people already work in, which makes the sites it trusts worth knowing.
Copilot is woven through Windows, Edge, Bing, and Microsoft 365, and that reach is enormous: Microsoft says the Copilot apps alone draw more than 100 million monthly active users, with over 800 million people touching Copilot-powered AI features across its products. Whatever Copilot cites, in other words, lands in front of a vast, work-focused audience. With Microsoft now pushing shopping and checkout straight into Copilot chats, the commercial slant of its sources matters more than ever.
To see where it pulls from, we tracked every domain Copilot cited across a broad set of US queries, then ranked them by mention share — each domain’s slice of all the citations the top sources collectively earn. The leader is www.amazon.com, capturing 14.6% of citations.
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Mention share = a domain’s citations as a percentage of the summed citations of the top sources. Data via Ahrefs Brand Radar · United States, all topics · June 2026.
www.amazon.com
14.6%
–
369,843
96
2
www.walmart.com
10.2%
–
241,365
92
3
en.wikipedia.org
9.6%
–
74,787
97
4
www.reddit.com
4.9%
–
75,708
95
5
www.youtube.com
3.5%
▲ 1
95,706
99
6
www.target.com
3.3%
▼ 1
54,201
91
7
engineerfix.com
3.0%
▲ 3
39,038
51
8
www.etsy.com
2.8%
▼ 1
106,116
94
9
www.forbes.com
2.8%
–
13,273
94
10
www.bestbuy.com
2.2%
▼ 2
35,565
89
11
www.edmunds.com
2.2%
–
18,846
86
12
www.kbb.com
2.2%
▲ 1
22,783
89
13
www.homedepot.com
1.9%
▼ 1
39,101
90
14
goto.walmart.com
1.9%
–
38,899
92
15
biologyinsights.com
1.8%
–
24,030
68
16
scienceinsights.org
1.8%
▲ 9
19,094
61
17
www.wikihow.com
1.7%
▲ 1
11,162
91
18
www.lowes.com
1.4%
▲ 1
29,537
88
19
latestcost.com
1.4%
▲ 4
12,036
38
20
legalclarity.org
1.2%
–
14,565
74
21
www.healthline.com
1.2%
▲ 5
5,636
92
22
www.merriam-webster.com
1.2%
▲ 6
12,237
91
23
www.macys.com
1.2%
▼ 7
22,529
85
24
www.msn.com
1.1%
▲ 19
16,182
92
25
www.ebay.com
1.1%
▼ 8
22,338
93
26
www.trustpilot.com
1.1%
▼ 2
12,192
94
27
www.chefsresource.com
0.9%
▲ 2
12,950
53
28
www.linkedin.com
0.9%
▲ 3
14,223
99
29
www.newegg.com
0.9%
▲ 19
16,847
84
30
www.wayfair.com
0.9%
▼ 3
17,080
88
31
www.nordstrom.com
0.9%
▼ 10
15,427
86
32
grokipedia.com
0.9%
NEW
12,212
77
33
www.mayoclinic.org
0.8%
NEW
1,900
92
34
www.consumerreports.org
0.8%
▲ 15
8,440
90
35
www.webmd.com
0.8%
▲ 6
3,250
92
36
wellyhub.com
0.8%
NEW
12,098
0
37
www.slashgear.com
0.8%
▼ 2
5,359
81
38
www.goodhousekeeping.com
0.8%
NEW
2,694
90
39
dictionary.cambridge.org
0.8%
NEW
9,817
92
40
my.clevelandclinic.org
0.8%
NEW
2,183
92
41
www.tastingtable.com
0.8%
▲ 1
6,695
82
42
www.britannica.com
0.7%
NEW
7,469
92
43
www.instacart.com
0.7%
▼ 3
12,440
86
44
necolebitchie.com
0.7%
▲ 3
10,115
47
45
www.whowhatwear.com
0.7%
NEW
4,351
83
46
www.kohls.com
0.7%
▼ 12
13,695
82
47
www.tripadvisor.com
0.7%
▼ 25
11,399
93
48
wallethub.com
0.7%
▼ 11
4,504
83
49
www.ulta.com
0.7%
▼ 13
10,872
83
50
www.motortrend.com
0.7%
NEW
4,685
84
Ahrefs’ Brand Radar, which tracks the responses AI platforms give to a large, search-backed set of real user queries. For this article, we looked at every domain Copilot cited across over 3 million US queries spanning all topics, then counted how often each domain appeared as a source.
For each website we report:
Mention share — a domain’s citations as a percentage of the summed citations of the top 50 most-cited sources. It shows how much of Copilot’s “source attention” each website captures.
vs last month — how the domain’s rank has moved since the previous monthly snapshot (▲ climbed, ▼ fell, or NEW if it wasn’t in last month’s top 50).
Pages cited — the number of distinct pages on the domain that Copilot cited, a measure of how broadly the site is referenced rather than how often.
DR (Domain Rating) — Ahrefs’ 0–100 measure of a website’s backlink-profile strength, included for context on each source’s overall authority.
This article is generated and automatically kept up to date every month by Agent A, our AI agent. Each month it pulls the latest Brand Radar data, recalculates mention share and rank movement, and refreshes the chart and table above — so the figures always reflect the most recent snapshot.
Ahrefs’ Brand Radar.
Measure your brand’s visibility in Copilot, see the specific queries where your brand gets mentioned (and the ones where it doesn’t), the pages that mention your brand, and then compare every metric with your closest competitors:
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