Edge network
Vercel
48 measured sites. 3 of them, 6.3%, block at least one answer-surface AI crawler. Mean readiness score 77.2.
Compare against every other edge network
| Rank | Domain | Score | Answer-surface crawlers | Stack |
|---|---|---|---|---|
| 97 | nginx.com | Score 56 out of 100, grade D | all allowed | Next.js . Vercel |
| 171 | f5.com | Score 64 out of 100, grade C | all allowed | Sanity . Vercel |
| 669 | optimizely.com | Score 67 out of 100, grade C | all allowed | Next.js . Vercel |
| 708 | cursor.sh | Score 84 out of 100, grade B | all allowed | Next.js . Vercel |
| 745 | vercel.app | Score 63 out of 100, grade C | all allowed | Next.js . Vercel |
| 779 | adjust.comrefused GPTBot | Score 83 out of 100, grade B, partial assessment | all allowed | Vercel |
| 967 | tailscale.com | Score 67 out of 100, grade C | all allowed | Sanity . Vercel |
| 1048 | pendo.io | Score 95 out of 100, grade A | all allowed | Next.js . Vercel |
| 1287 | supabase.co | Score 75 out of 100, grade B | all allowed | Next.js . Vercel |
| 2194 | revenuecat.com | Score 91 out of 100, grade A | all allowed | Sanity . Vercel |
| 2221 | cpmstar.com | Score 61 out of 100, grade C | all allowed | Next.js . Vercel |
| 2283 | posthog.com | Score 79 out of 100, grade B | all allowed | Vercel |
| 2287 | quantummetric.com | Score 79 out of 100, grade B | all allowed | Sanity . Vercel |
| 2329 | customer.io | Score 83 out of 100, grade B | all allowed | Sanity . Vercel |
| 2347 | grafana.com | Score 87 out of 100, grade B | all allowed | Storyblok . Vercel |
| 2443 | digg.comrefused GPTBot | Score 83 out of 100, grade B, partial assessment | all allowed | Vercel |
| 2552 | mparticle.com | Score 38 out of 100, grade F | 8 blocked | Next.js . Vercel |
| 2624 | rudderstack.com | Score 91 out of 100, grade A | all allowed | Sanity . Vercel |
| 2786 | venturebeat.comrefused GPTBot | Score 90 out of 100, grade A, partial assessment | 1 blocked | Vercel |
| 3001 | joinmassive.com | Score 91 out of 100, grade A | all allowed | HubSpot CMS . Vercel |
| 3053 | flashbots.net | Score 59 out of 100, grade D | all allowed | Next.js . Vercel |
| 3170 | hootsuite.com | Score 75 out of 100, grade B | all allowed | Contentful . Vercel |
| 3294 | vercel.com | Score 83 out of 100, grade B | all allowed | Next.js . Vercel |
| 3301 | joyn.de | Score 67 out of 100, grade C | all allowed | Next.js . Vercel |
| 3537 | vtex.com | Score 79 out of 100, grade B | all allowed | HubSpot CMS . Vercel |
| 3684 | metmuseum.orgrefused GPTBot | Score 83 out of 100, grade B, partial assessment | all allowed | Vercel |
| 3728 | grafana.net | Score 87 out of 100, grade B | all allowed | Storyblok . Vercel |
| 3794 | coindesk.com | Score 56 out of 100, grade D | 6 blocked | Sanity . Vercel |
| 3863 | cursor.com | Score 84 out of 100, grade B | all allowed | Next.js . Vercel |
| 3938 | netbird.io | Score 67 out of 100, grade C | all allowed | Next.js . Vercel |
| 4190 | sardine.ai | Score 95 out of 100, grade A | all allowed | Sanity . Vercel |
| 4213 | ezoic.net | Score 59 out of 100, grade D | all allowed | Next.js . Vercel |
| 4231 | cableone.netrefused GPTBot | Score 83 out of 100, grade B, partial assessment | all allowed | Vercel |
| 4240 | sonicwall.com | Score 67 out of 100, grade C | all allowed | HubSpot CMS . Vercel |
| 4241 | sanity.io | Score 79 out of 100, grade B | all allowed | Sanity . Vercel |
| 4257 | giantpanda.com | Score 95 out of 100, grade A | all allowed | Next.js . Vercel |
| 4388 | neon.tech | Score 79 out of 100, grade B | all allowed | Next.js . Vercel |
| 4457 | gist.build | Score 63 out of 100, grade C | all allowed | Sanity . Vercel |
| 4480 | mux.com | Score 91 out of 100, grade A | all allowed | Sanity . Vercel |
| 4528 | hebbia.ai | Score 67 out of 100, grade C | all allowed | HubSpot CMS . Vercel |
| 4617 | hashicorp.comrefused GPTBot | Score 83 out of 100, grade B, partial assessment | all allowed | Vercel |
| 4804 | cloudx.io | Score 75 out of 100, grade B | all allowed | Next.js . Vercel |
| -- | aireport.fidgetlabs.io | Score 88 out of 100, grade B | all allowed | Next.js . Vercel |
| -- | crawlindex.org | Score 100 out of 100, grade A | all allowed | Next.js . Vercel |
| -- | fidgetlabs.io | Score 87 out of 100, grade B | all allowed | Next.js . Vercel |
| -- | imageclean.app | Score 79 out of 100, grade B | all allowed | Next.js . Vercel |
| -- | kerriganbaron.com | Score 63 out of 100, grade C | all allowed | Next.js . Vercel |
| -- | markwright.app | Score 87 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 2026-08-09). Licensed CC BY 4.0.