PHPDebugBar vs SlickStack
Head-to-head usage across the sites we track.
Top sites by authority
PHPDebugBar · SlickStack · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 8+
10
0
Open Page Rank 7+
36
0
Open Page Rank 6+
56
0
Open Page Rank 5+
75
1
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
PHPDebugBar · SlickStack · share of sites in each country using one or the other
India
293
11
United States
277
26
Germany
261
3
Indonesia
250
4
France
178
5
Bangladesh
165
3
United Kingdom
141
13
Italy
148
4
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | PHPDebugBar | SlickStack |
|---|---|---|
| LCP | 2 s | 2.1 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 1100 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.