DDoS-Guard vs Slider Captcha
Head-to-head usage across the sites we track.
Top sites by authority
DDoS-Guard · Slider Captcha · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
1
Open Page Rank 8+
48
4
Open Page Rank 7+
197
11
Open Page Rank 6+
407
25
Open Page Rank 5+
735
37
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
DDoS-Guard · Slider Captcha · share of sites in each country using one or the other
Russia
73,946
119
Belarus
8,363
16
Germany
6,351
64
Kazakhstan
6,077
20
United States
5,239
120
Netherlands
4,400
45
Uzbekistan
3,504
22
Ukraine
3,307
33
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | DDoS-Guard | Slider Captcha |
|---|---|---|
| LCP | 2.3 s | 2.2 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 800 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.