Original Research
Original studies from the Attrifast cohort of ~200 Stripe-connected sites: AI traffic share and conversion benchmarks, citation rates by vertical and brand size, RPV by engine, and yearly state-of-analytics reports. Every number is measured from payment-joined first-party data, methodology is published, and the statistics are free to cite with attribution.
Original Research34 min readAI Citation Rate Benchmarks by Brand Size 2026: Startup vs Growth vs Enterprise (200-Site Cohort Study)What counts as a good AI citation rate depends on how big your company is. A 200-site Attrifast cohort cut by headcount, ARR, domain authority, and content age, reconciled with public Peec.ai, Profound, and SEOcrawl numbers.→Original Research32 min readAI Citation Rates by Industry 2026: A 1,200-Prompt Study Across ChatGPT, Claude, Gemini, and PerplexityAI citation rates by industry: an original 1,200-prompt benchmark across 12 verticals and 4 engines — citation density, top cited domains, YoY change vs 2025.→Original Research27 min readAI Traffic Conversion Rate Benchmarks 2026: What Good Looks Like by Channel, Vertical, and EngineAI traffic conversion rate benchmarks 2026: ChatGPT, Perplexity, Claude, and Gemini conversion by vertical and intent, from 200 Stripe-connected sites.→Original Research26 min readThe 2026 AI Search Revenue Benchmark: Real Data From 200 Stripe-Connected SitesAI search revenue benchmark 2026: an original 200-site, Stripe-joined study of ChatGPT, Perplexity, Claude, and Gemini traffic — RPV, conversion, verticals.→Original Research24 min readChatGPT Traffic vs Google Traffic: Which Actually Converts Better? (Data from 200 Sites)ChatGPT traffic vs Google traffic across 200 Stripe-joined sites: ChatGPT converts ~1.9x higher on B2B SaaS; Google sends ~30x the volume.→Original Research32 min readChatGPT vs Perplexity vs Claude Traffic: Which AI Engine Sends the Best Visits? (200-Site Cohort)ChatGPT vs Perplexity vs Claude traffic across 200 sites: Perplexity converts 1.5x higher than ChatGPT, Claude has the longest sessions, ChatGPT the volume.→Original Research28 min readHow Much Traffic Comes From ChatGPT in 2026? The Attrifast 200-Site Cohort BenchmarkHow much traffic comes from ChatGPT? Across ~200 Stripe-connected sites, a median 3.4% of sessions in May 2026 — by vertical, size, and geography.→Original Research34 min readWhich Brands Does ChatGPT Recommend in 2026? A 150-Prompt, 450-Run Study Across SaaS, DTC, and B2B ServicesWhich brands does ChatGPT recommend? An original 2026 study of 450 queries across 3 verticals: top 10 brands per vertical, run-to-run loyalty, format splits.→Industry Report20 min read2026 marketing attribution benchmark report: data, trends, and industry insightsAttribution model usage by company size, channel performance benchmarks, cookie deprecation impact data, AI traffic trends, and 2027 predictions.→Industry Report16 min readThe state of analytics 2026: trends, challenges, and opportunities6 defining trends reshaping analytics: cookie deprecation, AI traffic, privacy regulation, revenue attribution, GA4 unbundling, and server-side tracking.→