Skip to content

Next.js vs Vercel Speed Insights

Based on 596 and 42 real audits

View Next.js details | View Vercel Speed Insights details
MetricNext.jsVercel Speed InsightsWinner
Performance3847Vercel Speed Insights
Accessibility9091Vercel Speed Insights
Best Practices8889Vercel Speed Insights
SEO9494Tie
Security6768Vercel Speed Insights
TTFB289ms347msNext.js
Composite7475Vercel Speed Insights
Performance
Next.js
38
Vercel Speed Insights
47
Accessibility
Next.js
90
Vercel Speed Insights
91
Security
Next.js
67
Vercel Speed Insights
68
SEO
Next.js
94
Vercel Speed Insights
94
Composite
Next.js
74
Vercel Speed Insights
75

Vercel Speed Insights outperforms Next.js in 5 of 7 categories, with a stronger composite score (75 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 Vercel Speed Insights

Choose Vercel Speed Insights when your primary concern is performance and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 596 audited Next.js sites and 42 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, Vercel Speed Insights sites score higher on Lighthouse performance (47 vs 38 on average).
Which has better security, Next.js or Vercel Speed Insights?
Vercel Speed Insights sites score higher on security analysis (68 vs 67 on average).
Which has better accessibility, Next.js or Vercel Speed Insights?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Vercel Speed Insights (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 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 Vercel Speed Insights?
Next.js sites show lower Time to First Byte (289 ms vs 347 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. Vercel Speed Insights 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