Booster Page Speed Optimizer vs Justuno App
Head-to-head usage across the sites we track.
Top sites by authority
Booster Page Speed Optimizer · Justuno App · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
2
1
Open Page Rank 8+
7
1
Open Page Rank 7+
11
1
Open Page Rank 6+
22
2
Open Page Rank 5+
37
8
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 · Justuno App · share of sites in each country using one or the other
United States
2,898
454
India
1,454
59
United Kingdom
1,178
86
Canada
849
88
Germany
869
27
Australia
753
57
France
771
25
Italy
702
19
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Booster Page Speed Optimizer | Justuno App |
|---|---|---|
| LCP | 1.8 s | 1.5 s |
| INP | 100 ms | 75 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 Justuno App sites