Reservio vs Slice
Head-to-head usage across the sites we track.
Top sites by authority
Reservio · Slice · 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+
8
5
Open Page Rank 7+
15
6
Open Page Rank 6+
19
6
Open Page Rank 5+
26
7
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Reservio · Slice · share of sites in each country using one or the other
United States
27
4,861
Czechia
457
9
France
101
13
Italy
85
15
Brazil
83
14
Indonesia
18
75
Slovakia
85
7
Spain
67
17
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Reservio | Slice |
|---|---|---|
| LCP | 1.7 s | 1.5 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 700 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.