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
10
Open Page Rank 8+
46
246
Open Page Rank 7+
125
986
Open Page Rank 6+
186
1,964
Open Page Rank 5+
257
3,643
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
310
22,368
France
162
10,206
United Kingdom
184
9,751
Germany
187
9,006
Italy
180
8,760
Netherlands
135
7,594
India
195
7,435
Canada
141
7,217
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Lucene | Redis |
|---|---|---|
| LCP | 1.6 s | 2 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 1100 ms |
Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.