Blue vs PebblePost
Head-to-head usage across the sites we track.
Top sites by authority
Blue · PebblePost · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
0
Open Page Rank 8+
7
7
Open Page Rank 7+
21
32
Open Page Rank 6+
45
62
Open Page Rank 5+
91
92
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Blue · PebblePost · 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 | Blue | PebblePost |
|---|---|---|
| LCP | 2.7 s | 2.1 s |
| INP | 200 ms | 125 ms |
| CLS | 0.05 | 0 |
| TTFB | 1100 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.