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HTMX vs Astro

Security & risk comparison · Updated June 2026

How does HTMX 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 HTMX's 79/100. Astro has 3 total CVEs compared to HTMX's 1, though its larger ecosystem contributes to a higher CVE count. (Source: WebPulse framework scoring, NVD/NIST, July 2026)

79
HTMX
Modern · JAVASCRIPT
vs
84
Astro
Modern · JAVASCRIPT
Dimension-by-dimension breakdown
security Tie
95
95
HTMX
Astro
performance Tie
65
65
HTMX
Astro
ecosystem Astro
80
88
HTMX
Astro
ai readiness Astro
78
92
HTMX
Astro
developer experience Astro
75
78
HTMX
Astro
market trajectory Astro
55
70
HTMX
Astro
cost of ownership Tie
90
90
HTMX
Astro
Security details
Metric HTMX Astro
Total CVEs 1 3
Critical CVEs 0 0
Exploited (KEV) 0 0
CVEs last year 0 1
Avg CVSS 2.0 3.2
Security score 95/100 95/100
Recommended
HTMX

HTMX scores 79/100. Verdict: Recommended.

Recommended
Astro

Astro scores 84/100. Verdict: Recommended.

Quick facts
HTMX
Category: Frontend_lib
Language: JAVASCRIPT
First release: 2020
Generation: Modern
Trend: Rising
Market share: 0.1%
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.