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+
4
10
Open Page Rank 8+
48
221
Open Page Rank 7+
135
904
Open Page Rank 6+
198
1,791
Open Page Rank 5+
255
3,313
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
332
22,304
France
182
10,339
United Kingdom
206
10,243
Germany
217
9,444
Italy
206
9,145
Netherlands
151
8,026
Canada
149
7,899
India
198
7,716
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Lucene | Redis |
|---|---|---|
| LCP | 1.5 s | 2.1 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 1100 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.