Skip to content

Next.js vs Vercel Speed Insights

Based on 822 and 49 real audits

View Next.js details | View Vercel Speed Insights details
MetricNext.jsVercel Speed InsightsWinner
Performance4742Next.js
Accessibility9190Next.js
Best Practices9089Next.js
SEO9493Next.js
Security7270Next.js
TTFB438ms337msVercel Speed Insights
Composite7775Next.js
Performance
Next.js
47
Vercel Speed Insights
42
Accessibility
Next.js
91
Vercel Speed Insights
90
Security
Next.js
72
Vercel Speed Insights
70
SEO
Next.js
94
Vercel Speed Insights
93
Composite
Next.js
77
Vercel Speed Insights
75

Next.js outperforms Vercel Speed Insights in 6 of 7 categories, with a stronger composite score (77 vs 75). Vercel Speed Insights leads in TTFB.

When to choose Next.js

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

When to choose Vercel Speed Insights

Choose Vercel Speed Insights 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 822 audited Next.js sites and 49 audited Vercel Speed Insights 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 Vercel Speed Insights?
Based on real BeaverCheck audits, Next.js sites score higher on Lighthouse performance (47 vs 42 on average).
Which has better security, Next.js or Vercel Speed Insights?
Next.js sites score higher on security analysis (72 vs 70 on average).
Which has better accessibility, Next.js or Vercel Speed Insights?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Next.js (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 Vercel Speed Insights?
Next.js sites score higher on Lighthouse SEO signals (94 vs 93 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 Vercel Speed Insights?
Vercel Speed Insights sites show lower Time to First Byte (337 ms vs 438 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 Vercel Speed Insights for my website?
Both platforms have trade-offs. Next.js 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.
Audit your own site

Send Feedback