Isso vs Question2Answer
Head-to-head usage across the sites we track.
Top sites by authority
Isso · Question2Answer · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 8+
1
1
Open Page Rank 7+
1
9
Open Page Rank 6+
1
21
Open Page Rank 5+
2
28
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Isso · Question2Answer · share of sites in each country using one or the other
United States
5
95
India
3
89
Germany
8
80
Saudi Arabia
1
80
Türkiye
3
74
Egypt
1
74
France
6
68
United Kingdom
3
64
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Isso | Question2Answer |
|---|---|---|
| LCP | 2 s | 2.1 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 400 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.