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React vs Astro

Security & risk comparison · Updated June 2026

How does React 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 React's 71/100. Astro has 3 total CVEs compared to React's 20, giving it a smaller vulnerability surface. (Source: WebPulse framework scoring, NVD/NIST, July 2026)

71
React
Modern · JAVASCRIPT
vs
84
Astro
Modern · JAVASCRIPT
Dimension-by-dimension breakdown
security Astro
80
95
React
Astro
performance Tie
65
65
React
Astro
ecosystem Astro
82
88
React
Astro
ai readiness Astro
55
92
React
Astro
developer experience Astro
70
78
React
Astro
market trajectory React
90
70
React
Astro
cost of ownership Astro
55
90
React
Astro
Security details
Metric React Astro
Total CVEs 20 3
Critical CVEs 2 0
Exploited (KEV) 0 0
CVEs last year 3 1
Avg CVSS 4.5 3.2
Security score 80/100 95/100
Acceptable
React

React scores 72/100. Verdict: Acceptable.

Recommended
Astro

Astro scores 84/100. Verdict: Recommended.

Quick facts
React
Category: Frontend
Language: JAVASCRIPT
First release: 2013
Generation: Modern
Trend: Rising
Market share: 8.0%
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.