Back In Stock vs Privy App
Head-to-head usage across the sites we track.
Top sites by authority
Back In Stock · Privy App · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Back In Stock · Privy App · share of sites in each country using one or the other
United States
1,474
7,112
United Kingdom
829
1,721
Canada
749
1,678
India
684
1,148
Australia
597
1,217
Indonesia
1,317
358
France
588
882
Germany
560
714
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Back In Stock | Privy App |
|---|---|---|
| LCP | 1.9 s | 1.4 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 500 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Back In Stock to Privy App
| Domain | When |
|---|---|
| mahlkoenig.us | Jan 2026 |
| knife-depot.com | Sep 2025 |