MongoDB vs PostgreSQL
Head-to-head usage across the sites we track.
Top sites by authority
MongoDB · PostgreSQL · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
6
8
Open Page Rank 8+
49
77
Open Page Rank 7+
108
230
Open Page Rank 6+
151
377
Open Page Rank 5+
220
557
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
MongoDB · PostgreSQL · share of sites in each country using one or the other
Türkiye
5,571
503
United States
1,247
2,401
France
628
2,722
Belgium
357
2,311
India
669
1,864
Spain
509
1,909
Germany
738
1,506
Mexico
379
1,553
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | MongoDB | PostgreSQL |
|---|---|---|
| LCP | 3.2 s | 1.7 s |
| INP | 200 ms | 75 ms |
| CLS | 0.05 | 0.05 |
| TTFB | 600 ms | 700 ms |
Median site's p75 values from the Chrome UX Report, Jun 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.