Firebase vs Solr
Head-to-head usage across the sites we track.
Top sites by authority
Firebase · Solr · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
28
3
Open Page Rank 8+
338
48
Open Page Rank 7+
1,170
133
Open Page Rank 6+
2,165
194
Open Page Rank 5+
3,608
255
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Firebase · Solr · share of sites in each country using one or the other
United States
26,545
298
India
24,253
203
Japan
17,342
133
Indonesia
13,943
308
Brazil
12,320
206
Türkiye
11,109
93
United Kingdom
10,516
187
Germany
9,935
191
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Firebase | Solr |
|---|---|---|
| LCP | 2.3 s | 1.6 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 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.