Mollom vs reCAPTCHA
Head-to-head usage across the sites we track.
Top sites by authority
Mollom · reCAPTCHA · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
160
Open Page Rank 8+
0
2,971
Open Page Rank 7+
0
13,304
Open Page Rank 6+
0
27,590
Open Page Rank 5+
0
50,540
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Mollom · reCAPTCHA · share of sites in each country using one or the other
United States
20
603,209
India
15
224,820
United Kingdom
9
207,765
Japan
8
199,902
France
11
176,039
Canada
9
160,997
Brazil
4
159,360
Spain
11
153,221
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Mollom | reCAPTCHA |
|---|---|---|
| LCP | 1.7 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.