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+
0
9
Open Page Rank 7+
6
33
Open Page Rank 6+
9
50
Open Page Rank 5+
12
67
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
113
239
United States
36
287
India
40
275
Germany
21
274
France
26
184
Italy
26
174
United Kingdom
28
147
Spain
24
143
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 | 800 ms | 900 ms |
Median site's p75 values from the Chrome UX Report, Sep 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.
Clockwork to PHPDebugBar
| Domain | When |
|---|---|
| co.ua | Jul 2026 |