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Astro vs Joomla

Security & risk comparison · Updated June 2026

How does Astro compare to Joomla 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 Joomla's 34/100. Astro has 3 total CVEs compared to Joomla's 800, giving it a smaller vulnerability surface. (Source: WebPulse framework scoring, NVD/NIST, July 2026)

84
Astro
Modern · JAVASCRIPT
vs
34
Joomla
Legacy · PHP
Dimension-by-dimension breakdown
security Astro
95
30
Astro
Joomla
performance Tie
65
65
Astro
Joomla
ecosystem Astro
88
25
Astro
Joomla
ai readiness Astro
92
25
Astro
Joomla
developer experience Astro
78
40
Astro
Joomla
market trajectory Astro
70
20
Astro
Joomla
cost of ownership Astro
90
35
Astro
Joomla
Security details
Metric Astro Joomla
Total CVEs 3 800
Critical CVEs 0 65
Exploited (KEV) 0 5
CVEs last year 1 80
Avg CVSS 3.2 6.8
Security score 95/100 30/100
Recommended
Astro

Astro scores 84/100. Verdict: Recommended.

Migrate Away
Joomla

Joomla scores 34/100. Consider migrating to: nextjs, astro, hugo.

Alternatives: nextjs, astro, hugo

Quick facts
Astro
Category: Ssg
Language: JAVASCRIPT
First release: 2021
Generation: Modern
Trend: Rising
Market share: 0.4%
Joomla
Category: Cms
Language: PHP
First release: 2005
Generation: Legacy
Trend: Declining
Market share: 1.2%
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July 8, 2026
WordPress Ships Zero GitHub Releases. Every Other Framework Ships 40–50.
June 23, 2026
Joomla Ships 644 Commits Per Year. It Still Carries 1,313 CVEs.
June 23, 2026
More comparisons
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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.