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Next.js App Router vs Turbopack

Based on 228 and 114 real audits

MetricNext.js App RouterTurbopackWinner
Performance4044Turbopack
Accessibility9091Turbopack
Best Practices8889Turbopack
SEO9494Tie
Security6869Turbopack
TTFB308ms296msTurbopack
Composite7475Turbopack
Performance
Next.js App Router
40
Turbopack
44
Accessibility
Next.js App Router
90
Turbopack
91
Security
Next.js App Router
68
Turbopack
69
SEO
Next.js App Router
94
Turbopack
94
Composite
Next.js App Router
74
Turbopack
75

Turbopack outperforms Next.js App Router in 6 of 7 categories, with a stronger composite score (75 vs 74). Next.js App Router leads in no categories.

When to choose Next.js App Router

Next.js App Router doesn't clearly lead Turbopack in any category on the sampled sites — pick it based on developer experience, ecosystem, or existing team skills rather than the audit scores.

When to choose Turbopack

Choose Turbopack when your primary concern is server response time and performance. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 228 audited Next.js App Router sites and 114 audited Turbopack sites in the BeaverCheck database. Every audit runs the same 100+ checks — Lighthouse performance, security headers, accessibility, SEO, server response time — against a real URL. No vendor input, no sponsorship, no affiliate links. Read the full methodology →

FAQ

Which is faster, Next.js App Router or Turbopack?
Based on real BeaverCheck audits, Turbopack sites score higher on Lighthouse performance (44 vs 40 on average).
Which has better security, Next.js App Router or Turbopack?
Turbopack sites score higher on security analysis (69 vs 68 on average).
Which has better accessibility, Next.js App Router or Turbopack?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Turbopack (91 vs 90). Both technologies can be made fully accessible with care — the difference reflects common patterns in the sampled sites, not inherent platform limits.
Which is better for SEO, Next.js App Router or Turbopack?
Next.js App Router sites score higher on Lighthouse SEO signals (94 vs 94 on average), which cover meta tags, crawlability, mobile friendliness, and structured data. Content strategy and backlinks still matter more than platform choice for ranking.
Which has faster server response (TTFB), Next.js App Router or Turbopack?
Turbopack sites show lower Time to First Byte (296 ms vs 308 ms on average). TTFB depends heavily on hosting and CDN setup rather than the technology itself, but the sampled sites suggest a meaningful difference in common deployment patterns.
Should I choose Next.js App Router or Turbopack for my website?
Both platforms have trade-offs. Turbopack scores higher on overall composite score while Next.js App Router may excel in metrics you care about most. Run a free BeaverCheck audit on a real site using each to compare the metrics relevant to your use case.

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