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+
3
6
Open Page Rank 8+
49
74
Open Page Rank 7+
113
226
Open Page Rank 6+
152
369
Open Page Rank 5+
215
556
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
5,281
464
United States
1,109
2,245
France
568
2,579
Belgium
318
2,286
India
604
1,765
Spain
471
1,859
Germany
648
1,464
Mexico
351
1,545
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | MongoDB | PostgreSQL |
|---|---|---|
| LCP | 3.3 s | 1.7 s |
| INP | 200 ms | 75 ms |
| CLS | 0.05 | 0.05 |
| TTFB | 900 ms | 700 ms |
Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.