Original SEO, AEO and GEO research
Studies built from data we collected ourselves, from live search results, AI answer samples and public site files, with the method, sample, date and limitations stated on every page.
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Original research
What Google AI Overviews cite for SEO queries: a 170-query study
Which sources Google AI Overviews cite for 170 SEO and AI search queries: how many domains each Overview cites, which domains appear most, and how often cited sources also rank.
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Original research
SEO search demand in 2026: which topics grew and which shrank
How US search demand for 39 SEO topics changed over 12 months, from answer engine optimization to programmatic SEO, based on 3,200 keywords and monthly volume data.
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Original research
What ChatGPT searches for before it answers: 331 fan-out queries
We logged 331 background searches ChatGPT ran while answering 50 SEO tool questions: how many per answer, how often it uses site: to read vendor pages, and how much they vary.
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Original research
How sites that rank for SEO queries treat AI crawlers in robots.txt
How 684 sites that rank for SEO queries handle AI crawlers in robots.txt: how many name GPTBot, ClaudeBot, or PerplexityBot, and how many block them.
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People Also Ask in SEO search results: what 541 questions show
How often People Also Ask appears for 170 SEO queries, how many questions it shows, how they start, which generic questions recur, and what that means for content planning.
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Original research
SERP features and ranking page types by search intent
Which SERP features and page types appear for 10 families of SEO queries, from tool searches to definitions, and how to choose the right format for a page before writing it.
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Original research
Homepage schema markup adoption among SEO-industry sites
Which JSON-LD types appear in the raw homepage HTML of 663 sites that rank for SEO queries: Organization, WebSite, FAQPage, SoftwareApplication and more, plus invalid markup rates.
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Original research
What ranks for '[tool] alternatives' searches in the SEO market
We analysed top results for 32 '[SEO tool] alternatives' searches: who ranks, how often the vendor itself ranks, and the length, tables, and pricing of winning pages.