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HTMX vs Squarespace

Security & risk comparison · Updated June 2026

How does HTMX compare to Squarespace 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

HTMX scores 79/100 overall versus Squarespace's 49/100. HTMX has 1 total CVEs compared to Squarespace's 0, though its larger ecosystem contributes to a higher CVE count. (Source: WebPulse framework scoring, NVD/NIST, July 2026)

79
HTMX
Modern · JAVASCRIPT
vs
49
Squarespace
Modern · JAVA
Dimension-by-dimension breakdown
security HTMX
95
50
HTMX
Squarespace
performance Tie
65
65
HTMX
Squarespace
ecosystem HTMX
80
50
HTMX
Squarespace
ai readiness HTMX
78
30
HTMX
Squarespace
developer experience HTMX
75
50
HTMX
Squarespace
market trajectory HTMX
55
50
HTMX
Squarespace
cost of ownership HTMX
90
55
HTMX
Squarespace
Security details
Metric HTMX Squarespace
Total CVEs 1 0
Critical CVEs 0 0
Exploited (KEV) 0 0
CVEs last year 0 0
Avg CVSS 2.0 0
Security score 95/100 50/100
Recommended
HTMX

HTMX scores 79/100. Verdict: Recommended.

Caution
Squarespace

Squarespace scores 50/100. Evaluate modern alternatives for better security and AI-readiness.

Quick facts
HTMX
Category: Frontend_lib
Language: JAVASCRIPT
First release: 2020
Generation: Modern
Trend: Rising
Market share: 0.1%
Squarespace
Category: Website_builder
Language: JAVA
First release: 2004
Generation: Modern
Trend: Declining
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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.