Classy vs Donorbox
Head-to-head usage across the sites we track.
Top sites by authority
Classy · Donorbox · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
11
Open Page Rank 8+
20
30
Open Page Rank 7+
44
76
Open Page Rank 6+
70
135
Open Page Rank 5+
96
253
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Classy · Donorbox · share of sites in each country using one or the other
United States
431
2,173
United Kingdom
103
528
Canada
120
409
India
139
325
Australia
72
278
France
56
283
Mexico
63
209
Italy
43
229
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Classy | Donorbox |
|---|---|---|
| LCP | 1.8 s | 1.8 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 700 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.