# Vercel — ISR on Vercel is now faster and more cost-efficient

- Company: Vercel (vercel.com)
- Announced: 2025-01-30T13:00:00+00:00
- Category: capability-change
- Coverage: not counted
- Announcement: yes
- Group: announcements
- Source: https://vercel.com/blog/isr-on-vercel-is-now-faster-and-more-cost-efficient
- Record: https://forck.live/items/20903-isr-on-vercel-is-now-faster-and-more-cost-efficient
- Subject: v0 / AI SDK / AI Gateway
- Pricing: This can reduce ISR spend by up to 65%, making ISR more efficient and affordable for high-traffic applications.

Vercel has optimized its Incremental Static Regeneration (ISR) caching with regionalized storage and automatic compression, reducing TTFB latency by up to 80% and ISR spend by up to 65%. The improvements require no configuration changes and are live for all Vercel users upon redeployment.

## Evidence

Verbatim from https://vercel.com/blog/isr-on-vercel-is-now-faster-and-more-cost-efficient:

> Regionalized ISR improves TTFB latency by up to 80% when an ISR cache read occurs within the same geographic area. These improvements are especially visible for those outside the United States.

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