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Joomla vs Gatsby

Security & risk comparison · Updated June 2026

How does Joomla compare to Gatsby 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

Gatsby scores 60/100 overall versus Joomla's 34/100. Gatsby has 15 total CVEs compared to Joomla's 800, giving it a smaller vulnerability surface. (Source: WebPulse framework scoring, NVD/NIST, July 2026)

34
Joomla
Legacy · PHP
vs
60
Gatsby
Modern · JAVASCRIPT
Dimension-by-dimension breakdown
security Gatsby
30
78
Joomla
Gatsby
performance Tie
65
65
Joomla
Gatsby
ecosystem Tie
25
25
Joomla
Gatsby
ai readiness Gatsby
25
60
Joomla
Gatsby
developer experience Gatsby
40
70
Joomla
Gatsby
market trajectory Gatsby
20
25
Joomla
Gatsby
cost of ownership Gatsby
35
90
Joomla
Gatsby
Security details
Metric Joomla Gatsby
Total CVEs 800 15
Critical CVEs 65 1
Exploited (KEV) 5 0
CVEs last year 80 4
Avg CVSS 6.8 4.2
Security score 30/100 78/100
Migrate Away
Joomla

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

Alternatives: nextjs, astro, hugo

Acceptable
Gatsby

Gatsby scores 60/100. Verdict: Acceptable.

Quick facts
Joomla
Category: Cms
Language: PHP
First release: 2005
Generation: Legacy
Trend: Declining
Market share: 1.2%
Gatsby
Category: Ssg
Language: JAVASCRIPT
First release: 2015
Generation: Modern
Trend: Stable
Market share: 0.3%
Related briefings
Joomla Page Builder Flaw Lands on CISA's Actively Exploited Vulnerability List
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
Gatsby: 55K Stars, 183 Commits. Developer Love Dies Quietly.
June 21, 2026
HTMX Surpassed Gatsby and SvelteKit. 11,482 Sites at 10M.
June 2026
Joomla: 352,042 Detections. More Than Astro, SvelteKit, Remix, and Gatsby Combined.
June 2026
More comparisons
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 Gatsby vs WordPress Gatsby vs Next.js Gatsby vs Drupal Gatsby vs React Gatsby vs Angular Gatsby vs Django Gatsby vs Laravel Gatsby vs Vue.js Gatsby vs Astro Gatsby vs Hugo Gatsby vs SvelteKit Gatsby 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.