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HTTP/3 vs Next.js App Router

Based on 2055 and 386 real audits

View HTTP/3 details | View Next.js App Router details
MetricHTTP/3Next.js App RouterWinner
Performance5654HTTP/3
Accessibility8992Next.js App Router
Best Practices9092Next.js App Router
SEO9294Next.js App Router
Security7376Next.js App Router
TTFB379ms522msHTTP/3
Composite7880Next.js App Router
Performance
HTTP/3
56
Next.js App Router
54
Accessibility
HTTP/3
89
Next.js App Router
92
Security
HTTP/3
73
Next.js App Router
76
SEO
HTTP/3
92
Next.js App Router
94
Composite
HTTP/3
78
Next.js App Router
80

Next.js App Router outperforms HTTP/3 in 5 of 7 categories, with a stronger composite score (80 vs 78). HTTP/3 leads in performance, TTFB.

When to choose HTTP/3

Choose HTTP/3 when your primary concern is server response time and performance. 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 accessibility and security. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 2055 audited HTTP/3 sites and 386 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, HTTP/3 or Next.js App Router?
Based on real BeaverCheck audits, HTTP/3 sites score higher on Lighthouse performance (56 vs 54 on average).
Which has better security, HTTP/3 or Next.js App Router?
Next.js App Router sites score higher on security analysis (76 vs 73 on average).
Which has better accessibility, HTTP/3 or Next.js App Router?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Next.js App Router (92 vs 89). 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, HTTP/3 or Next.js App Router?
Next.js App Router sites score higher on Lighthouse SEO signals (94 vs 92 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), HTTP/3 or Next.js App Router?
HTTP/3 sites show lower Time to First Byte (379 ms vs 522 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 HTTP/3 or Next.js App Router for my website?
Both platforms have trade-offs. HTTP/3 scores higher on overall composite score while HTTP/3 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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