Blog
GEO, measured. Guides without hype.
The Sourcelift blog covers how to get cited by ChatGPT, Claude, Gemini, Perplexity and Google AI Overviews. Every post opens with the answer, then shows the work, with the same measurement discipline we apply to every engagement.
The 10 Best GEO and AEO Agencies in 2026
Sourcelift, Optimist, First Page Sage, iPullRank and six more, scored on five public criteria, plus who the AI engines name today.
GEO Glossary: 49 AI Search Terms, Defined and Sourced
One-sentence definitions, evidence labels, dated sources and a test of how five AI engines define the vocabulary.
GEO for Consultants: Which Firms AI Recommends
We asked ChatGPT, Claude, Perplexity and Google AI Mode which consulting firm to hire. Who got named, which sources won, and 7 steps to get your firm named.
How to Get Direct Bookings from AI Search
Why AI search matters for direct bookings, what ChatGPT, Perplexity and Google AI Mode recommended in our tests, and steps for hotels, rentals and tours.
GEO for Accountants: How ChatGPT Picks a CPA
We asked ChatGPT, Perplexity and Google AI Mode for the best CPA firm in 8 situations: 67 firms named, few agreed on. What it means for your firm.
What Is AI Share of Voice? How to Measure It
AI share of voice, defined: the two ways to calculate it, why one run misleads, and what 78 AI answers showed about a logged-in account skewing it.
AI Shelf Index: Who Writes AI Gift Advice
Sourcelift's AI Shelf Index: nearly 3 in 4 ChatGPT holiday gift answers cite no brand website, and 30 of 50 independent brands never appear.
How to Get Your Law Firm Found in ChatGPT
We asked ChatGPT, Perplexity and Gemini for the best US lawyers twice, 18 days apart. Most names changed, and the second time no firm was named by all three.
Meta Muse for Brands: A 50-Site Readiness Test
Meta's Muse agent books dinners and buys from Shopify stores. We checked 50 health and low-ticket sites: none of the 42 we read named Meta's AI search crawler.
Perplexity SEO: How to Rank and Get Cited
Perplexity SEO explained: how Perplexity picks its citations, what 230K prompts of data say about its sources, and how to get your brand cited.
GEO for SaaS: How to Get Cited by ChatGPT
GEO for SaaS: how G2 reviews, comparison pages, docs and Reddit decide which software ChatGPT recommends, and the exact steps to earn the citation.
GEO Agency vs Tool vs In-House (2026): How to Choose
GEO agency vs tool vs in-house team in 2026: what each option covers, what it costs and which one fits your team, plus five questions to ask any GEO agency.
GEO vs SEO in 2026: Which to Prioritize First
GEO vs SEO in 2026: what the two share, what changes inside AI answers, and a gap test to decide which one gets your first budget. With citation overlap data.
Best GEO Tools in 2026
The GEO tools worth paying for in 2026: AI visibility trackers, suite add-ons, and the manual checks that keep them honest. Compared with criteria.
GEO for Ecommerce: How to Get Your Store Cited by ChatGPT
How to get your online store into ChatGPT answers: product schema, review signals and marketplace presence that earn AI citations.
Brand Mentions in ChatGPT: How to Earn Yours
ChatGPT mentions brands it learned in training and brands its search finds in trusted sources. What earns a mention, and how to track yours.
Claude SEO: How to Get Cited by Claude
Claude cites sources when it searches the web. Claude SEO is the work of becoming one of them: crawler access, quotable pages, mentions, measurement.
Gemini SEO: Visibility in Google’s AI Answers
Gemini leans on Google’s index more than any other assistant. Gemini SEO is classic search hygiene plus answer-first content, entity clarity and measurement.
How to Rank in ChatGPT: What Earns a Citation
How to rank in ChatGPT: the steps that earn a citation, the page checklist we use to optimize for it, and what our own ChatGPT tests showed in October 2026.
If AI doesn’t name you, it names a competitor.
The free diagnosis runs real buying prompts on five engines, shows who gets named instead of you and where you can win first.