Bold Brain vs Booster Page Speed Optimizer
Head-to-head usage across the sites we track.
Top sites by authority
Bold Brain · Booster Page Speed Optimizer · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
2
Open Page Rank 8+
0
7
Open Page Rank 7+
0
11
Open Page Rank 6+
0
22
Open Page Rank 5+
0
37
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Bold Brain · Booster Page Speed Optimizer · share of sites in each country using one or the other
United States
9
2,898
India
3
1,454
United Kingdom
5
1,178
Germany
4
869
Canada
5
849
France
4
771
Australia
3
753
Italy
3
702
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Bold Brain | Booster Page Speed Optimizer |
|---|---|---|
| LCP | 2.5 s | 1.8 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 800 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 Bold Brain sites · All Booster Page Speed Optimizer sites