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Next.js App Router vs Turbopack

Based on 424 and 192 real audits

View Next.js App Router details | View Turbopack details
MetricNext.js App RouterTurbopackWinner
Performance5554Next.js App Router
Accessibility9292Tie
Best Practices9292Tie
SEO9595Tie
Security7675Next.js App Router
TTFB578ms565msTurbopack
Composite8080Tie
Performance
Next.js App Router
55
Turbopack
54
Accessibility
Next.js App Router
92
Turbopack
92
Security
Next.js App Router
76
Turbopack
75
SEO
Next.js App Router
95
Turbopack
95
Composite
Next.js App Router
80
Turbopack
80

Next.js App Router outperforms Turbopack in 2 of 7 categories, with a stronger composite score (80 vs 80). Turbopack leads in TTFB.

When to choose Next.js App Router

Choose Next.js App Router when your primary concern is performance and security. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose Turbopack

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

How this comparison was built

Scores are medians across 424 audited Next.js App Router sites and 192 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, Next.js App Router sites score higher on Lighthouse performance (55 vs 54 on average).
Which has better security, Next.js App Router or Turbopack?
Next.js App Router sites score higher on security analysis (76 vs 75 on average).
Which has better accessibility, Next.js App Router or Turbopack?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Next.js App Router (92 vs 92). 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 (95 vs 95 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 (565 ms vs 578 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. Next.js App Router 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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