Subcategory · AI Citation Index
Serverless & Edge
Vercel leads shortlists at 76%; Cloudflare scores highest (78) but holds only 62% shortlist share. Two-month data shows category rising from 64→70.
50 discovery queries · 64 head-to-heads · refreshed May 4, 2026
Discovery stage
The shortlist
Across 50 buyer-style "Serverless & Edge" queries
Vercel appears in 38 of 50 prompts (76% shortlist rate, 83 mentions), outpacing Render (72%, 75 mentions) and Fly.io (70%, 54 mentions). Netlify (64%) and Cloudflare (62%) trail despite strong mention counts (61 and 65). Heroku sits at 46%, Railway at 54%—both mid-pack with modest mention volume.
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Evaluation stage
Head-to-head
How brands fare on comparison queries · category median 53/100
Vercel scores 77 in head-to-head queries, Azure App Service 76, but Azure barely registers in shortlists. Cloudflare and Netlify tie at 53 (median for the category). Render scores zero across 11 comparison queries despite high shortlist presence, signaling AI models cite it but rate alternatives higher in direct matchups.
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Each brand's evaluation score averages how AI responds to head-to-head comparison queries that mention them. Above-median brands win their comparisons more often than they lose; bubble size reflects how many head-to-heads they appear in.
Brands to know
In this category
Cloudflare
Highest evaluation score (78) and rising 12 points in trends, but only 62% shortlist rate. Models respect its edge-computing depth more in comparative analysis than in initial recommendations.
Read brand profile →Vercel
Dominant shortlist presence (76%) and 77 evaluation score across four comparison queries. Frontend-deployment focus drives consistent AI citation for Next.js and React workloads.
Read brand profile →Netlify
Scores 72 in evaluations and 53 in comparisons (11 queries). 64% shortlist rate shows steady but not leading citation; models position it as a mature Jamstack alternative to Vercel.
Read brand profile →Fly.io
Third-highest shortlist rate (70%, 54 mentions) with no evaluation score data yet. Low mention-to-appearance ratio suggests models cite it briefly rather than detailing feature depth.
Read brand profile →Render
Second in shortlists (72%, 75 mentions) but zero evaluation score across 11 queries and falling 5 points in trends. AI models shortlist it but consistently score competitors higher in direct comparisons.
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