PostgreSQL vs Solr
Head-to-head usage across the sites we track.
Top sites by authority
PostgreSQL · Solr · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
6
3
Open Page Rank 8+
73
48
Open Page Rank 7+
226
133
Open Page Rank 6+
367
194
Open Page Rank 5+
554
255
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
PostgreSQL · Solr · share of sites in each country using one or the other
France
2,482
167
United States
2,231
298
Belgium
2,141
81
India
1,732
203
Spain
1,657
185
Mexico
1,501
133
Germany
1,434
191
Indonesia
1,177
308
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | PostgreSQL | Solr |
|---|---|---|
| LCP | 1.7 s | 1.6 s |
| INP | 75 ms | 75 ms |
| CLS | 0.05 | 0 |
| TTFB | 700 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
PostgreSQL to Solr
| Domain | When |
|---|---|
| semarangkota.go.id | Sep 2025 |
Solr to PostgreSQL
| Domain | When |
|---|---|
| semarangkota.go.id | Sep 2025 |