Elasticsearch vs FAST ESP
Head-to-head usage across the sites we track.
Top sites by authority
Elasticsearch · FAST ESP · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
9
0
Open Page Rank 8+
104
1
Open Page Rank 7+
352
2
Open Page Rank 6+
590
3
Open Page Rank 5+
906
3
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Elasticsearch · FAST ESP · share of sites in each country using one or the other
United States
7,325
9
Germany
2,334
31
Canada
2,134
6
United Kingdom
2,048
8
Netherlands
1,874
6
France
1,865
11
India
1,736
4
Spain
1,535
9
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Elasticsearch | FAST ESP |
|---|---|---|
| LCP | 1.7 s | 1.3 s |
| INP | 100 ms | 100 ms |
| CLS | 0.05 | 0 |
| TTFB | 700 ms | 500 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.