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GTM AI Index
Index › Products › Google Lighthouse · October 2026 Edition
Google · 1 category · Named, not ranked

Google Lighthouse

15Judge labels
2First choices
1Negative labels
6 / 14Models named it
1Category
October 2026 Edition. Every number here is derived from the raw labels under vendor table v2026-10-05.2, every buyer segment counted.
Standing
4 labels, too few to rank
A product needs 10 labels in a category before a share or quadrant is stated. Google Lighthouse was named 4 times in Website governance, where Siteimprove led with 25%. The labels and the evidence are below, counted exactly.
By buyer segmentRead the same way at every buyer size.
In website governance · each standing computed within its segment · bars are 0 to 100 · the accent bar is the product's own best reading

Standing by category

Every category where a model named Google Lighthouse for a mid-market B2B company. Share is first choices across the direct, paraphrase, budget and scale prompts; rank is within every product named in that category.
CategoryFunctionShareRankNegative rateLabelsQuadrantSince September 2026
Website governance and accessibilityMarketing3%8 of 980%4under 10 labels · led by Siteimprove at 25%

Movement

This is the first edition on this tier, so no move can be computed for Google Lighthouse yet. From the next edition this section shows, per buyer segment and per category, whether its share moved by more than the measured noise floor.

By model

How each model treated Google Lighthouse across every prompt where it was named for a mid-market B2B company. Fourteen models, six prompts per category.
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ModelFirst choiceAlternativeMentionNegativeLabels
Claude Haiku 4.500000
GPT-5.4 mini00000
Gemini 3.5 Flash01001
Perplexity Sonar00000
Grok 4.1 Fast11002
Mistral Small00000
DeepSeek V4 Flash00000
Llama 4 Maverick00000
Qwen 3.7 Flash00000
Kimi K200000
GLM 4.7 FlashX10001
MiniMax M2.500000
GPT-6 Luna00000
Muse Glimmer 30B00000

By framing

Which of the six questions produced the naming. By model says how often; this says asked what. The first-choice count on the right carries the marks of the models that produced it.
FramingLabels by classFirst choices
Direct0 labelsNone
Paraphrase3 labelsNone
Comparative1 labelNone
Budget-constrained7 labels2
Scale-constrained0 labelsNone
Negative4 labels1not counted in share
First choiceAlternativeMentionNegative15 labels in all, every segment counted; 2 of the 3 first choices count toward share, since the comparative and negative framings do not. The bar is one segment per label class, to scale within the framing.

What the models said for it

Verbatim evidence the judge attached to positive labels.

“free or low-cost tools like WAVE (by WebAIM) or Google's Lighthouse are excellent starting points” Grok 4.1 Fast · Website governance · budget prompt · first choice
“Start with free tools - WAVE, Lighthouse, WCAGsafe” GLM 4.7 FlashX · Website governance · budget prompt · first choice
“Use auditing tools like Google Lighthouse, WAVE, axe DevTools, or Microsoft Accessibility Insights (free, no overlays).” Grok 4.1 Fast · Website governance · negative prompt · alternative
“Lighthouse runs on the Axe core and allows you to audit pages in seconds” Gemini 3.5 Flash · Website governance · budget prompt · alternative

And against it

Verbatim evidence attached to negative labels. A warning on a product with few labels is a warning; on a product with many, it is one voice among them.

No model argued against it.

Named alongside

The products named in the same answers as Google Lighthouse, over the 15 answers that named it. Took the first choice instead counts the answers where the other product was the first choice and Google Lighthouse was named but was not.
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ProductSame answerTook the first choice insteadHead to head
accessiBe13 of 151Not among the top eight
UserWay12 of 153Not among the top eight
axe DevTools12 of 150Not among the top eight
Siteimprove11 of 152Not among the top eight
Wave10 of 151Not among the top eight
Silktide8 of 150Not among the top eight
AudioEye7 of 150Not among the top eight
Pa11y5 of 151Not among the top eight
EqualWeb5 of 150Not among the top eight
Monsido5 of 150Not among the top eight
A head-to-head page exists where both products are among a category's top eight. The other rows are the same fact without a page behind them, so they link to the product instead.

What carried it into the answer

The sites and pages cited by the answers that named Google Lighthouse. A fact about retrieval, not a lever on the model.

Citations exist only for the models that return a source list, five of the fourteen in this edition, so these counts come from 15 of the 15 answers that named Google Lighthouse and are not a share of its labels.

Domains cited

g2.com11
accessibilitychecker.org10
us.fitgap.com8
silktide.com7
testparty.ai7
accessibe.com6
webtonic.io6
accessibilitychecker.com5
audioeye.com5
accessible.org4

Sixty-nine of the sixty-nine domain citations in answers naming Google Lighthouse came from somebody else's page.

Pages cited

Pages are listed as the models cited them.

Names read as Google Lighthouse

What the judge wrote, as written, with how often. The vendor table decides that these count as Google Lighthouse; a claim can dispute any of them.
Google's Lighthouse 1

Follow Google Lighthouse

An email the morning each edition publishes: where this product moved, where it held, and by how much against the noise floor. One address, confirmed by a click; a stop link in every email.

Already following? Everything you follow, with a stop for each.

The company

Google is the company behind Google Lighthouse.
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On record

Wikidata
Website
google.com
Headquarters
Mountain View, California, United States
Founded
1998
Ownership
Part of Alphabet Inc.

Fetched September 14, 2026, with a correction applied. These describe the company, not the product's standing, and a claimed page can dispute any of them. · Wikidata

Is this your product?

Claim this page

Claiming is free and changes nothing in the data. A claimed page shows a verified contact who is told when each edition publishes and when Google Lighthouse's standing changes by more than the noise floor; the right to propose corrections to the vendor table, meaning names the judge wrote that should or should not read as Google Lighthouse, applied by version and listed in the change log; and a one-line description supplied by the vendor and marked as such.

What a new claim receivesHide what a new claim receives

A new claim receives the current edition's vendor brief for Google Lighthouse by email, built from the raw record of the edition. It shows:

  • where Google Lighthouse is named, by buyer and by framing, and which cells hold its first choices;
  • the claims the models make when they name it, ranked, with the strongest and the weakest quoted;
  • its vocabulary against the segment leader's, and the pages the models cited;
  • who was chosen in the answers that did not name Google Lighthouse, and every reason the record gives;
  • a battlecard for each top rival: the head-to-head split, why they win, and the reservation quoted against them;
  • one page of published figures cleared to show a buyer.
The subscriber app

A verification link goes to your work email; an address at google.com is approved on the spot, any other is reviewed by hand. Your email is never published. Claiming gives no say over labels, shares, verdicts or which quotes appear.