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Next.js App Router vs Turbopack

Based on 233 and 115 real audits

View Next.js App Router details | View Turbopack details
MetricNext.js App RouterTurbopackWinner
Performance4143Turbopack
Accessibility9091Turbopack
Best Practices8889Turbopack
SEO9494Tie
Security6869Turbopack
TTFB319ms295msTurbopack
Composite7575Tie
Performance
Next.js App Router
41
Turbopack
43
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
75
Turbopack
75

Turbopack outperforms Next.js App Router in 5 of 7 categories, with a stronger composite score (75 vs 75). 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 233 audited Next.js App Router sites and 115 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 (43 vs 41 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 (295 ms vs 319 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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