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+
8
4
Open Page Rank 8+
77
48
Open Page Rank 7+
230
135
Open Page Rank 6+
377
198
Open Page Rank 5+
557
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
2,722
180
United States
2,401
330
Belgium
2,311
96
Spain
1,909
219
India
1,864
196
Germany
1,506
211
Indonesia
1,352
360
Mexico
1,553
139
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | PostgreSQL | Solr |
|---|---|---|
| LCP | 1.7 s | 1.5 s |
| INP | 75 ms | 75 ms |
| CLS | 0.05 | 0 |
| TTFB | 700 ms | 600 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.
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 |