PerfectApps Swift vs Smile App
Head-to-head usage across the sites we track.
Top sites by authority
PerfectApps Swift · Smile App · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
2
Open Page Rank 8+
1
6
Open Page Rank 7+
2
19
Open Page Rank 6+
2
40
Open Page Rank 5+
2
100
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
PerfectApps Swift · Smile App · share of sites in each country using one or the other
United States
152
11,797
United Kingdom
61
3,763
Canada
43
3,449
India
41
2,463
Australia
35
2,463
France
28
1,853
Germany
35
1,613
Spain
26
1,136
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | PerfectApps Swift | Smile App |
|---|---|---|
| LCP | 1.6 s | 1.4 s |
| INP | 100 ms | 75 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.