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SvelteKit vs Astro

Security & risk comparison · Updated June 2026

How does SvelteKit 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 SvelteKit's 77/100. Astro has 3 total CVEs compared to SvelteKit's 5, giving it a smaller vulnerability surface. (Source: WebPulse framework scoring, NVD/NIST, July 2026)

77
SvelteKit
Modern · JAVASCRIPT
vs
84
Astro
Modern · JAVASCRIPT
Dimension-by-dimension breakdown
security Astro
92
95
SvelteKit
Astro
performance Tie
65
65
SvelteKit
Astro
ecosystem Astro
78
88
SvelteKit
Astro
ai readiness Astro
85
92
SvelteKit
Astro
developer experience SvelteKit
80
78
SvelteKit
Astro
market trajectory Astro
50
70
SvelteKit
Astro
cost of ownership Astro
75
90
SvelteKit
Astro
Security details
Metric SvelteKit Astro
Total CVEs 5 3
Critical CVEs 0 0
Exploited (KEV) 0 0
CVEs last year 2 1
Avg CVSS 3.5 3.2
Security score 92/100 95/100
Recommended
SvelteKit

SvelteKit scores 78/100. Verdict: Recommended.

Recommended
Astro

Astro scores 84/100. Verdict: Recommended.

Quick facts
SvelteKit
Category: Fullstack
Language: JAVASCRIPT
First release: 2020
Generation: Modern
Trend: Rising
Market share: 0.2%
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.