Booster Page Speed Optimizer vs Locksmith
Head-to-head usage across the sites we track.
Top sites by authority
Booster Page Speed Optimizer · Locksmith · 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 · Locksmith · share of sites in each country using one or the other
United States
2,475
5,101
United Kingdom
1,012
1,828
Canada
750
1,679
India
1,230
975
Australia
631
1,362
Germany
736
1,124
France
628
879
Italy
606
680
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Booster Page Speed Optimizer | Locksmith |
|---|---|---|
| LCP | 1.7 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Booster Page Speed Optimizer to Locksmith
| Domain | When |
|---|---|
| evacassis.com.au | Mar 2026 |
| goblizz.com | Dec 2025 |
| hastko.com | Dec 2025 |
| tartagelatina.com | Dec 2025 |
| balancecancun.com | Sep 2025 |
| rachelantonoff.com | Sep 2025 |
All Booster Page Speed Optimizer sites · All Locksmith sites