AIRANKS — The Authoritative Rankings for AI Web Content

AIRANKS measures AI visibility: we ask AI models real product and service questions, capture the complete answers as immutable observations, and publish what they contain — which brands were mentioned, which domains were cited, and which exact pages were linked. Every domain gets an AIR score from 1–10 (a decile of visibility in the active dataset; 0 means insufficient data), with the methodology in the open.

AIR

PHRASE

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The Question

← all rankings / dataset COBALT

Best cooling mattress topper twin xl

Helix takes the top spot in 93.9% of resamples. Of 11 ranked brands, only 6 hold a position we'd call firm.

0
answers sampled
0
brands named
1,000
bootstrap resamples

Who AI Cites For This Question

25 cited pages · bars vs the leader

Premium Mattress Topper with GlacioTex - Helix Sleephelixsleep.comhelixsleep.com/products/cool-mattr…xl?utm=airanks.net259
Graphite Memory Foam Mattress Topper | Saatvawww.saatva.comsaatva.com/bedding/graphite-memory…er?utm=airanks.net259
Best Twin XL Mattress Toppers of 2026, Tested by Our Expertswww.sleepfoundation.orgsleepfoundation.org/best-mattress-…er?utm=airanks.net187
Birch Organic Mattress Topper | Natural Latex Mattress Topper - Birchbirchliving.combirchliving.com/products/plush-pil…xl?utm=airanks.net158
Best Cooling Mattress Toppers of 2026: Expert Testedwww.sleepfoundation.orgsleepfoundation.org/best-mattress-…er?utm=airanks.net49
Twin XL Mattress Toppers | The Ultimate College Dorm Upgradeviscosoft.comviscosoft.com/pages/size-twin-xl?utm=airanks.net39
CopperFlex® 301 Mattress Topper – Brooklyn Beddingbrooklynbedding.combrooklynbedding.com/products/coppe…01?utm=airanks.net35
Graphite Memory Foam Mattress Topper | Saatvawww.saatva.comsaatva.com/bedding/graphite-memory…xl+mattress+topper28
Twin XL 3" Cool Touch Gel Memory Foam Mattress Topper - Threshold™: CertiPUR-US, Moisture-Wicking, Jersey Cover : Targetwww.target.comtarget.com/p/-/A-87239775?utm=airanks.net25

The Ranking, With Its Uncertainty

Helix firm Helix — ci 0.90–1.00 · n=375 · 93.9% of resamples held this rank · named in 83% of answers
Saatva firm Saatva — ci 0.90–1.00 · n=375 · 93.9% of resamples held this rank · named in 82% of answers
ViscoSoft locked ViscoSoft — ci 0.80–0.80 · n=375 · 98.9% of resamples held this rank · named in 33% of answers
Brooklyn Bedding locked Brooklyn Bedding — ci 0.70–0.70 · n=375 · 98.9% of resamples held this rank · named in 22% of answers
Sleepyhead locked Sleepyhead — ci 0.50–0.60 · n=375 · 95.4% of resamples held this rank · named in 9% of answers
Nolah firm Nolah — ci 0.50–0.60 · n=375 · 94.9% of resamples held this rank · named in 8% of answers
Tempur-Pedic soft Tempur-Pedic — ci 0.30–0.40 · n=375 · 75.9% of resamples held this rank · named in 3% of answers
Zinus soft Zinus — ci 0.30–0.40 · n=375 · 76.2% of resamples held this rank · named in 3% of answers
Serta gathering Serta — gathering data, n=375. No bootstrap interval yet.
GhostBed gathering GhostBed — gathering data, n=375. No bootstrap interval yet.
Avocado gathering Avocado — gathering data, n=375. No bootstrap interval yet.

The Incomparability Lattice

what the intervals separate, not what the list claims

An edge means one brand's interval sits strictly above another's — zero overlap. No edge between two brands is not a gap in the drawing, it is the finding: their intervals overlap, and the bootstrap cannot tell them apart. Brands on the same rung are incomparable, not tied — the ranking above orders them anyway because a list has to print a total order; this diagram is the honest version.

Helix

0.90–1.00

Saatva

0.90–1.00

ViscoSoft

0.80–0.80

Brooklyn Bedding

0.70–0.70

Sleepyhead

0.50–0.60

Nolah

0.50–0.60

Tempur-Pedic

0.30–0.40

Zinus

0.30–0.40