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PostgreSQL vs Supabase

Based on 13 and 10 real audits

View PostgreSQL details | View Supabase details
MetricPostgreSQLSupabaseWinner
Performance5962Supabase
Accessibility9192Supabase
Best Practices9494Tie
SEO9397Supabase
Security8081Supabase
TTFB430ms320msSupabase
Composite8384Supabase
Performance
PostgreSQL
59
Supabase
62
Accessibility
PostgreSQL
91
Supabase
92
Security
PostgreSQL
80
Supabase
81
SEO
PostgreSQL
93
Supabase
97
Composite
PostgreSQL
83
Supabase
84

Supabase outperforms PostgreSQL in 6 of 7 categories, with a stronger composite score (84 vs 83). PostgreSQL leads in no categories.

When to choose PostgreSQL

PostgreSQL doesn't clearly lead Supabase in any category on the sampled sites — pick it based on developer experience, ecosystem, or existing team skills rather than the audit scores.

When to choose Supabase

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

How this comparison was built

Scores are medians across 13 audited PostgreSQL sites and 10 audited Supabase 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, PostgreSQL or Supabase?
Based on real BeaverCheck audits, Supabase sites score higher on Lighthouse performance (62 vs 59 on average).
Which has better security, PostgreSQL or Supabase?
Supabase sites score higher on security analysis (81 vs 80 on average).
Which has better accessibility, PostgreSQL or Supabase?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Supabase (92 vs 91). 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, PostgreSQL or Supabase?
Supabase sites score higher on Lighthouse SEO signals (97 vs 93 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), PostgreSQL or Supabase?
Supabase sites show lower Time to First Byte (320 ms vs 430 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 PostgreSQL or Supabase for my website?
Both platforms have trade-offs. Supabase scores higher on overall composite score while PostgreSQL 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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