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Next.js vs Next.js App Router

Based on 657 and 271 real audits

View Next.js details | View Next.js App Router details
MetricNext.jsNext.js App RouterWinner
Performance4044Next.js App Router
Accessibility9091Next.js App Router
Best Practices8989Tie
SEO9494Tie
Security6870Next.js App Router
TTFB320ms373msNext.js
Composite7476Next.js App Router
Performance
Next.js
40
Next.js App Router
44
Accessibility
Next.js
90
Next.js App Router
91
Security
Next.js
68
Next.js App Router
70
SEO
Next.js
94
Next.js App Router
94
Composite
Next.js
74
Next.js App Router
76

Next.js App Router outperforms Next.js in 4 of 7 categories, with a stronger composite score (76 vs 74). Next.js leads in TTFB.

When to choose Next.js

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

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.

How this comparison was built

Scores are medians across 657 audited Next.js sites and 271 audited Next.js App Router 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 or Next.js App Router?
Based on real BeaverCheck audits, Next.js App Router sites score higher on Lighthouse performance (44 vs 40 on average).
Which has better security, Next.js or Next.js App Router?
Next.js App Router sites score higher on security analysis (70 vs 68 on average).
Which has better accessibility, Next.js or Next.js App Router?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Next.js App Router (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 or Next.js App Router?
Next.js 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 or Next.js App Router?
Next.js sites show lower Time to First Byte (320 ms vs 373 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 or Next.js App Router for my website?
Both platforms have trade-offs. Next.js App Router scores higher on overall composite score while Next.js 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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