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+
0
1
Open Page Rank 8+
41
2
Open Page Rank 7+
192
9
Open Page Rank 6+
397
22
Open Page Rank 5+
716
36
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
65,971
124
Belarus
7,183
11
Kazakhstan
5,117
17
Germany
4,815
52
Netherlands
3,808
40
United States
3,558
98
Uzbekistan
2,830
16
Ukraine
2,749
25
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | DDoS-Guard | Slider Captcha |
|---|---|---|
| LCP | 2.2 s | 2.2 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 750 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.