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Squarespace vs Joomla

Security & risk comparison · Updated June 2026

How does Squarespace 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

Squarespace scores 49/100 overall versus Joomla's 34/100. Squarespace has 0 total CVEs compared to Joomla's 800, giving it a smaller vulnerability surface. (Source: WebPulse framework scoring, NVD/NIST, July 2026)

49
Squarespace
Modern · JAVA
vs
34
Joomla
Legacy · PHP
Dimension-by-dimension breakdown
security Squarespace
50
30
Squarespace
Joomla
performance Tie
65
65
Squarespace
Joomla
ecosystem Squarespace
50
25
Squarespace
Joomla
ai readiness Squarespace
30
25
Squarespace
Joomla
developer experience Squarespace
50
40
Squarespace
Joomla
market trajectory Squarespace
50
20
Squarespace
Joomla
cost of ownership Squarespace
55
35
Squarespace
Joomla
Security details
Metric Squarespace Joomla
Total CVEs 0 800
Critical CVEs 0 65
Exploited (KEV) 0 5
CVEs last year 0 80
Avg CVSS 0 6.8
Security score 50/100 30/100
Caution
Squarespace

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

Migrate Away
Joomla

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

Alternatives: nextjs, astro, hugo

Quick facts
Squarespace
Category: Website_builder
Language: JAVA
First release: 2004
Generation: Modern
Trend: Declining
Joomla
Category: Cms
Language: PHP
First release: 2005
Generation: Legacy
Trend: Declining
Market share: 1.2%
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July 8, 2026
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June 23, 2026
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More comparisons
Squarespace vs WordPress Squarespace vs Next.js Squarespace vs Drupal Squarespace vs React Squarespace vs Angular Squarespace vs Django Squarespace vs Laravel Squarespace vs Vue.js Squarespace vs Astro Squarespace vs Hugo Squarespace vs SvelteKit Squarespace vs Rails Joomla vs WordPress Joomla vs Next.js Joomla vs Drupal Joomla vs React Joomla vs Angular Joomla vs Django Joomla vs Laravel Joomla vs Vue.js Joomla vs Astro Joomla vs Hugo Joomla vs SvelteKit Joomla vs Rails

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.