Edge network
Vercel
50 measured sites. 3 of them, 6.0%, block at least one answer-surface AI crawler. Mean readiness score 73.6.
Compare against every other edge network
| Rank | Domain | Score | Answer-surface crawlers | Stack |
|---|---|---|---|---|
| 90 | f5.com | Score 72 out of 100, grade C | all allowed | Sanity . Vercel |
| 96 | nginx.com | Score 61 out of 100, grade C | all allowed | Next.js . Vercel |
| 601 | hotjar.com | Score 64 out of 100, grade C | all allowed | Contentful . Vercel |
| 653 | vercel.app | Score 67 out of 100, grade C | all allowed | Next.js . Vercel |
| 688 | optimizely.com | Score 83 out of 100, grade B | all allowed | Next.js . Vercel |
| 782 | cursor.sh | Score 80 out of 100, grade B | all allowed | Next.js . Vercel |
| 820 | adjust.comrefused GPTBot | Score 78 out of 100, grade B, partial assessment | all allowed | Vercel |
| 889 | pendo.io | Score 79 out of 100, grade B | all allowed | Next.js . Vercel |
| 956 | tailscale.com | Score 73 out of 100, grade C | all allowed | Sanity . Vercel |
| 1088 | supabase.co | Score 85 out of 100, grade B | all allowed | Next.js . Vercel |
| 1825 | chatgpt.site | Score 57 out of 100, grade D | all allowed | Astro . Vercel |
| 1988 | cpmstar.com | Score 59 out of 100, grade D | all allowed | Next.js . Vercel |
| 2056 | revenuecat.com | Score 83 out of 100, grade B | all allowed | Sanity . Vercel |
| 2101 | posthog.com | Score 83 out of 100, grade B | all allowed | Vercel |
| 2160 | customer.io | Score 81 out of 100, grade B | all allowed | Sanity . Vercel |
| 2228 | grafana.com | Score 80 out of 100, grade B | all allowed | Storyblok . Vercel |
| 2368 | mparticle.com | Score 35 out of 100, grade F | 8 blocked | Next.js . Vercel |
| 2708 | vtex.com | Score 74 out of 100, grade C | all allowed | HubSpot CMS . Vercel |
| 2791 | cloudx.io | Score 74 out of 100, grade C | all allowed | Next.js . Vercel |
| 2930 | venturebeat.com | Score 82 out of 100, grade B, partial assessment | 1 blocked | Vercel |
| 2978 | joinmassive.com | Score 83 out of 100, grade B | all allowed | HubSpot CMS . Vercel |
| 3099 | rudderstack.com | Score 83 out of 100, grade B | all allowed | Sanity . Vercel |
| 3123 | joyn.de | Score 64 out of 100, grade C | all allowed | Next.js . Vercel |
| 3133 | vercel.com | Score 89 out of 100, grade B | all allowed | Next.js . Vercel |
| 3344 | hootsuite.com | Score 71 out of 100, grade C | all allowed | Contentful . Vercel |
| 3419 | giantpanda.com | Score 86 out of 100, grade B | all allowed | Next.js . Vercel |
| 3555 | owasp.org | Score 56 out of 100, grade D | all allowed | Next.js . Vercel |
| 3564 | sardine.ai | Score 89 out of 100, grade B | all allowed | Sanity . Vercel |
| 3565 | cursor.com | Score 80 out of 100, grade B | all allowed | Next.js . Vercel |
| 3689 | grafana.net | Score 80 out of 100, grade B | all allowed | Storyblok . Vercel |
| 3819 | metmuseum.orgrefused GPTBot | Score 78 out of 100, grade B, partial assessment | all allowed | Vercel |
| 3990 | netbird.io | Score 64 out of 100, grade C | all allowed | Next.js . Vercel |
| 4109 | coindesk.com | Score 53 out of 100, grade D | 6 blocked | Sanity . Vercel |
| 4181 | mux.com | Score 83 out of 100, grade B | all allowed | Sanity . Vercel |
| 4291 | sonicwall.comrefused GPTBot | Score 57 out of 100, grade D | all allowed | HubSpot CMS . Vercel |
| 4328 | sanity.io | Score 75 out of 100, grade B | all allowed | Sanity . Vercel |
| 4371 | neon.techrefused GPTBot | Score 75 out of 100, grade B | all allowed | Next.js . Vercel |
| 4502 | hashicorp.comrefused GPTBot | Score 78 out of 100, grade B, partial assessment | all allowed | Vercel |
| 4526 | gist.build | Score 65 out of 100, grade C | all allowed | Sanity . Vercel |
| 4632 | cableone.netrefused GPTBot | Score 78 out of 100, grade B, partial assessment | all allowed | Vercel |
| 4728 | ezoic.net | Score 57 out of 100, grade D | all allowed | Next.js . Vercel |
| 4745 | soax.com | Score 74 out of 100, grade C | all allowed | Next.js . Vercel |
| 4919 | fpjs.io | Score 82 out of 100, grade B | all allowed | Gatsby . Vercel |
| 4974 | mango.com | Score 57 out of 100, grade D | all allowed | Next.js . Vercel |
| -- | aireport.fidgetlabs.io | Score 83 out of 100, grade B | all allowed | Next.js . Vercel |
| -- | crawlindex.org | Score 95 out of 100, grade A | all allowed | Next.js . Vercel |
| -- | fidgetlabs.io | Score 82 out of 100, grade B | all allowed | Next.js . Vercel |
| -- | imageclean.app | Score 73 out of 100, grade C | all allowed | Next.js . Vercel |
| -- | kerriganbaron.com | Score 60 out of 100, grade C | all allowed | Next.js . Vercel |
| -- | markwright.app | Score 82 out of 100, grade B | all allowed | Next.js . Vercel |
Using these figures
Free to reuse in research, journalism or a product under CC BY 4.0, with credit to Fidget Labs BV. Quote the measurement date so the claim stays checkable as the index moves.
CrawlIndex by Fidget Labs BV. "Agent readiness on Vercel." https://crawlindex.org (measured 2026-09-22). Licensed CC BY 4.0.