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+
5
6
Open Page Rank 8+
49
73
Open Page Rank 7+
106
226
Open Page Rank 6+
147
367
Open Page Rank 5+
215
554
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
5,098
436
United States
1,116
2,231
France
537
2,482
Belgium
306
2,141
India
600
1,732
Spain
439
1,657
Germany
629
1,434
Mexico
352
1,501
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 | 800 ms | 700 ms |
Median site's p75 values from the Chrome UX Report, Aug 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.