Booster Page Speed Optimizer vs PerfectApps Swift
Head-to-head usage across the sites we track.
Top sites by authority
Booster Page Speed Optimizer · PerfectApps Swift · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Booster Page Speed Optimizer · PerfectApps Swift · share of sites in each country using one or the other
United States
2,898
178
India
1,454
49
United Kingdom
1,178
79
Canada
849
66
Germany
869
44
France
771
33
Australia
753
43
Italy
702
34
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Booster Page Speed Optimizer | PerfectApps Swift |
|---|---|---|
| LCP | 1.8 s | 1.7 s |
| INP | 100 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 500 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.
All Booster Page Speed Optimizer sites · All PerfectApps Swift sites