Insider vs Simon
Head-to-head usage across the sites we track.
Top sites by authority
Insider · Simon · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
10
1
Open Page Rank 8+
50
3
Open Page Rank 7+
135
10
Open Page Rank 6+
250
19
Open Page Rank 5+
443
32
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Insider · Simon · share of sites in each country using one or the other
Indonesia
3,338
49
United States
1,478
146
India
1,011
69
United Kingdom
947
66
Germany
951
48
Brazil
897
47
France
802
48
Canada
754
92
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Insider | Simon |
|---|---|---|
| LCP | 2.5 s | 2.3 s |
| INP | 200 ms | 125 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 800 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.