Improved observability into redirects and external rewrites is now available to all Vercel customers.
External rewrites forward requests to APIs or websites outside your Vercel project, effectively allowing Vercel to function as a reverse proxy or standalone CDN.
Customers on all plans get new views that offer visibility into key rewrite metrics:
Total external rewrites
External rewrites by hostnames
Customers on Pro and Enterprise plans can upgrade to Observability Plus to get:
Connection latency to external host
Rewrites by source/destination paths
Routes and paths for redirect location
Drains have also been updated to support the following:
View external rewrites or learn more about Observability.