App Hosting Platforms · reliability comparison
Azure App Service vs Vercel: which is more reliable? (2026)
Azure App Service is more reliable than Vercel, scoring 100.0 vs 66.8 out of 100. Over the last 90 days Azure App Service reported 0 incidents and Vercel reported 23, with effective uptime of 100% and 99.58% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | Azure App Service | Vercel |
|---|---|---|
| Reliability score | 100.0 | 66.8 |
| Rank (app hosting platforms) | — | #9 |
| Uptime (90 days) | 100% | 99.58% |
| Incidents (90 days) | 0 | 23 |
| Partial / major outages | 0 | 9 |
| Avg time to resolve | — | 1h 32m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Azure App Service and Vercel differ
- Azure App Service reported no incidents in the last 90 days, while Vercel reported 23.
- Vercel had 9 partial or major outages, compared with 0 for Azure App Service.
90-day uptime
Azure App Service
Vercel
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Azure App Service incidents
No incidents reported by Azure App Service in the last 90 days.
Recent Vercel incidents
- Degraded performanceOct 23, 2026 · resolved in 1h 2m
Delays in Logs and Observability data
Affected: Logs, Observability
- Partial outageOct 12, 2026 · resolved in 6h 36m
Increased build and deployment failuresofficial update ↗
Affected: Builds, Git Integrations
- Partial outageOct 10, 2026 · resolved in 1h 21m
Delays in Drains, Observability, and Workflow in Washington (iad1)
Affected: Drains, Logs, Observability, Queues, Workflow
- Partial outageOct 6, 2026 · resolved in 16m
Vercel Auth login failures for pages with Deployment Protection enabled
Affected: Routing Middleware
- Degraded performanceOct 6, 2026 · resolved in 25m
Elevated Sandbox error rates in Paris (cdg1)
Affected: Sandbox
- Degraded performanceSep 28, 2026 · resolved in 27m
Build failures and 500 errors for functions using Edge runtime
Affected: Builds
Other app hosting platforms to consider
- DigitalOcean App Platform · #1 · 99.98% uptime
- Heroku · #2 · 99.95% uptime
- Koyeb · #3 · 99.64% uptime
- Render · #4 · 99.71% uptime