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Squarespace vs WordPress

Security & risk comparison · Updated October 2026

How does Squarespace compare to WordPress on security, AI-readiness, and total cost of ownership? We scored both across 7 dimensions using NVD/NIST CVE data, GitHub metrics, and our census of the Tranco top 100,000.

Key finding

Squarespace scores 49/100 overall versus WordPress's 44/100. Squarespace has 0 total CVEs compared to WordPress's 11334, giving it a smaller vulnerability surface. (Source: WebPulse framework scoring, NIST NVD and CISA KEV, updated October 2026)

Who actually runs Squarespace and WordPress

Share of sites with an identified platform, from WebPulse's scan of the Tranco top 100,000 and our Common Crawl census.

WhereSquarespaceWordPress
Top 1,000 1.9% (4) 23.3% (50)
Top 10,000 0.7% (17) 29.0% (743)
Top 100,000 0.6% (156) 37.4% (10,368)
Wider web0.5%74.3%

Highest-ranked sites on Squarespace

  1. googledomains.com#58
  2. squarespace.com#548
  3. mailchimp.com#736
  4. mailchi.mp#958
  5. statcounter.com#1,011

Highest-ranked sites on WordPress

  1. wordpress.org#48
  2. wordpress.com#100
  3. bit.ly#117
  4. criteo.com#132
  5. gravatar.com#154

Detected from each homepage's HTML, headers and cookies in September 2026. Methodology

49
Squarespace
Modern · JAVA
vs
44
WordPress
Legacy · PHP
Dimension-by-dimension breakdown
security Squarespace
50
22
Squarespace
WordPress
performance Tie
65
65
Squarespace
WordPress
ecosystem WordPress
50
55
Squarespace
WordPress
ai readiness WordPress
30
35
Squarespace
WordPress
developer experience Tie
50
50
Squarespace
WordPress
market trajectory WordPress
50
75
Squarespace
WordPress
cost of ownership Squarespace
55
35
Squarespace
WordPress
Security details
Metric Squarespace WordPress
Total CVEs 0 11334
Critical CVEs 0 387
Exploited (KEV) 0 23
CVEs last year 0 4200
Avg CVSS 0 6.1
Security score 50/100 22/100
Caution
Squarespace

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

Caution
WordPress

WordPress scores 45/100. Consider migrating to: astro, nextjs, hugo.

Alternatives: astro, nextjs, hugo

Quick facts
Squarespace
Category: Website_builder
Language: JAVA
First release: 2004
Generation: Modern
Trend: Declining
WordPress
Category: Cms
Language: PHP
First release: 2003
Generation: Legacy
Trend: Declining
Market share: 43.0%
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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 October 2026.