Lucene vs Redis
Head-to-head usage across the sites we track.
Top sites by authority
Lucene · Redis · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
3
11
Open Page Rank 8+
48
237
Open Page Rank 7+
133
953
Open Page Rank 6+
194
1,872
Open Page Rank 5+
255
3,472
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Lucene · Redis · share of sites in each country using one or the other
United States
300
21,893
United Kingdom
189
9,582
France
169
9,350
Germany
197
8,748
Italy
175
8,395
Netherlands
127
7,367
India
205
7,158
Canada
141
7,026
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Lucene | Redis |
|---|---|---|
| LCP | 1.6 s | 2.1 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 1100 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.