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Next.js vs SvelteKit

Security & risk comparison · Updated October 2026

How does Next.js compare to SvelteKit on security, AI-readiness, and total cost of ownership? We scored both across 7 dimensions using NVD/NIST CVE data, GitHub metrics, and our census of the Tranco top 100,000.

Key finding

Next.js scores 81/100 overall versus SvelteKit's 77/100. Next.js has 25 total CVEs compared to SvelteKit's 5, though its larger ecosystem contributes to a higher CVE count. (Source: WebPulse framework scoring, NIST NVD and CISA KEV, updated October 2026)

Who actually runs Next.js and SvelteKit

Share of sites with an identified platform, from WebPulse's scan of the Tranco top 100,000 and our Common Crawl census.

WhereNext.jsSvelteKit
Top 1,000 34.4% (74) 0.0% (0)
Top 10,000 31.1% (797) 1.4% (37)
Top 100,000 23.1% (6,413) 0.9% (249)
Wider web2.6%0.1%

Highest-ranked sites on Next.js

  1. yahoo.com#59
  2. vimeo.com#88
  3. f5.com#90
  4. nginx.com#95
  5. snapchat.com#127

Highest-ranked sites on SvelteKit

  1. spiegel.de#1,092
  2. huggingface.co#1,113
  3. max.ru#1,518
  4. logitech.com#1,983
  5. granbluefantasy.jp#2,181

Detected from each homepage's HTML, headers and cookies in September 2026. Methodology

81
Next.js
Modern · JAVASCRIPT
vs
77
SvelteKit
Modern · JAVASCRIPT
Dimension-by-dimension breakdown
security SvelteKit
82
92
Next.js
SvelteKit
performance Tie
65
65
Next.js
SvelteKit
ecosystem Next.js
90
78
Next.js
SvelteKit
ai readiness Next.js
88
85
Next.js
SvelteKit
developer experience Next.js
85
80
Next.js
SvelteKit
market trajectory Next.js
85
50
Next.js
SvelteKit
cost of ownership Tie
75
75
Next.js
SvelteKit
Security details
Metric Next.js SvelteKit
Total CVEs 25 5
Critical CVEs 2 0
Exploited (KEV) 0 0
CVEs last year 8 2
Avg CVSS 4.5 3.5
Security score 82/100 92/100
Recommended
Next.js

Next.js scores 81/100. Verdict: Recommended.

Recommended
SvelteKit

SvelteKit scores 78/100. Verdict: Recommended.

Quick facts
Next.js
Category: Fullstack
Language: JAVASCRIPT
First release: 2016
Generation: Modern
Trend: Rising
Market share: 3.5%
SvelteKit
Category: Fullstack
Language: JAVASCRIPT
First release: 2020
Generation: Modern
Trend: Rising
Market share: 0.2%
Related briefings
Next.js 16.4.1 and 15.5.28: two critical RCE flaws fixed
October 16, 2026
Next.js 16.3.8 and 15.5.27: Seven Security Fixes Explained
October 1, 2026
Vinext 1.0: Cloudflare's AI-Maintained Next.js Alternative
September 29, 2026
SvelteKit 3.0.0 requires Node 22, Vite 8, TypeScript 6
October 2, 2026
WordPress Has 89 Contributors. Next.js Has 427. SvelteKit Has 452.
June 23, 2026
Remix and SvelteKit: Zero Commits Detected. The Alternatives Flatlined.
June 21, 2026
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Data sourced from NVD/NIST CVE database, GitHub API, and WebPulse framework scanner. Scores calculated using a 7-dimension model covering security, performance, ecosystem health, AI-readiness, developer experience, market trajectory, and cost of ownership. Updated October 2026.