Expivi vs mirrAR
Head-to-head usage across the sites we track.
By country
Expivi · mirrAR · share of sites in each country using one or the other
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Expivi | mirrAR |
|---|---|---|
| LCP | 1.4 s | 2.4 s |
| INP | 100 ms | 175 ms |
| CLS | 0 | 0.05 |
| TTFB | 500 ms | 1100 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.