FAST ESP vs Searchanise
Head-to-head usage across the sites we track.
Top sites by authority
FAST ESP · Searchanise · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
1
Open Page Rank 8+
1
14
Open Page Rank 7+
2
29
Open Page Rank 6+
3
54
Open Page Rank 5+
3
129
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
FAST ESP · Searchanise · share of sites in each country using one or the other
United States
9
4,270
United Kingdom
9
1,899
Canada
6
1,879
India
3
1,410
Australia
5
1,164
Germany
30
987
France
11
796
Italy
9
657
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | FAST ESP | Searchanise |
|---|---|---|
| LCP | 1.4 s | 1.8 s |
| INP | 100 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 500 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.