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Next.js vs Astro

Security & risk comparison · Updated June 2026

How does Next.js compare to Astro on security, AI-readiness, and total cost of ownership? We scored both across 7 dimensions using NVD/NIST CVE data, GitHub metrics, and our scan of 10M+ sites.

Key finding

Astro scores 84/100 overall versus Next.js's 81/100. Astro has 3 total CVEs compared to Next.js's 25, giving it a smaller vulnerability surface. (Source: WebPulse framework scoring, NVD/NIST, July 2026)

81
Next.js
Modern · JAVASCRIPT
vs
84
Astro
Modern · JAVASCRIPT
Dimension-by-dimension breakdown
security Astro
82
95
Next.js
Astro
performance Tie
65
65
Next.js
Astro
ecosystem Next.js
90
88
Next.js
Astro
ai readiness Astro
88
92
Next.js
Astro
developer experience Next.js
85
78
Next.js
Astro
market trajectory Next.js
85
70
Next.js
Astro
cost of ownership Astro
75
90
Next.js
Astro
Security details
Metric Next.js Astro
Total CVEs 25 3
Critical CVEs 2 0
Exploited (KEV) 0 0
CVEs last year 8 1
Avg CVSS 4.5 3.2
Security score 82/100 95/100
Recommended
Next.js

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

Recommended
Astro

Astro scores 84/100. Verdict: Recommended.

Quick facts
Next.js
Category: Fullstack
Language: JAVASCRIPT
First release: 2016
Generation: Modern
Trend: Rising
Market share: 3.5%
Astro
Category: Ssg
Language: JAVASCRIPT
First release: 2021
Generation: Modern
Trend: Rising
Market share: 0.4%
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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 June 2026.