Clockwork vs PHPDebugBar
Head-to-head usage across the sites we track.
Top sites by authority
Clockwork · PHPDebugBar · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 8+
1
7
Open Page Rank 7+
14
38
Open Page Rank 6+
18
59
Open Page Rank 5+
22
71
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Clockwork · PHPDebugBar · share of sites in each country using one or the other
Indonesia
129
305
United States
53
310
India
54
298
Germany
37
281
France
40
213
Italy
35
169
United Kingdom
36
158
Bangladesh
14
161
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Clockwork | PHPDebugBar |
|---|---|---|
| LCP | 1.8 s | 2 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 900 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.