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jsDelivr CDN vs PostgreSQL

Based on 396 and 12 real audits

View jsDelivr CDN details | View PostgreSQL details
MetricjsDelivr CDNPostgreSQLWinner
Performance4059PostgreSQL
Accessibility8891PostgreSQL
Best Practices8695PostgreSQL
SEO9293PostgreSQL
Security6779PostgreSQL
TTFB371ms434msjsDelivr CDN
Composite7482PostgreSQL
Performance
jsDelivr CDN
40
PostgreSQL
59
Accessibility
jsDelivr CDN
88
PostgreSQL
91
Security
jsDelivr CDN
67
PostgreSQL
79
SEO
jsDelivr CDN
92
PostgreSQL
93
Composite
jsDelivr CDN
74
PostgreSQL
82

PostgreSQL outperforms jsDelivr CDN in 6 of 7 categories, with a stronger composite score (82 vs 74). jsDelivr CDN leads in TTFB.

When to choose jsDelivr CDN

Choose jsDelivr CDN when your primary concern is server response time. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose PostgreSQL

Choose PostgreSQL when your primary concern is performance and security. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 396 audited jsDelivr CDN sites and 12 audited PostgreSQL sites in the BeaverCheck database. Every audit runs the same 100+ checks — Lighthouse performance, security headers, accessibility, SEO, server response time — against a real URL. No vendor input, no sponsorship, no affiliate links. Read the full methodology →

FAQ

Which is faster, jsDelivr CDN or PostgreSQL?
Based on real BeaverCheck audits, PostgreSQL sites score higher on Lighthouse performance (59 vs 40 on average).
Which has better security, jsDelivr CDN or PostgreSQL?
PostgreSQL sites score higher on security analysis (79 vs 67 on average).
Which has better accessibility, jsDelivr CDN or PostgreSQL?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor PostgreSQL (91 vs 88). Both technologies can be made fully accessible with care — the difference reflects common patterns in the sampled sites, not inherent platform limits.
Which is better for SEO, jsDelivr CDN or PostgreSQL?
PostgreSQL sites score higher on Lighthouse SEO signals (93 vs 92 on average), which cover meta tags, crawlability, mobile friendliness, and structured data. Content strategy and backlinks still matter more than platform choice for ranking.
Which has faster server response (TTFB), jsDelivr CDN or PostgreSQL?
jsDelivr CDN sites show lower Time to First Byte (371 ms vs 434 ms on average). TTFB depends heavily on hosting and CDN setup rather than the technology itself, but the sampled sites suggest a meaningful difference in common deployment patterns.
Should I choose jsDelivr CDN or PostgreSQL for my website?
Both platforms have trade-offs. PostgreSQL scores higher on overall composite score while jsDelivr CDN may excel in metrics you care about most. Run a free BeaverCheck audit on a real site using each to compare the metrics relevant to your use case.
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