Priority Hints vs Speed Kit
Head-to-head usage across the sites we track.
Top sites by authority
Priority Hints · Speed Kit · 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
Priority Hints · Speed Kit · share of sites in each country using one or the other
United States
1,391,338
184
India
486,083
133
United Kingdom
435,468
154
Germany
421,099
316
Brazil
362,916
62
France
361,116
235
Italy
311,723
219
Canada
309,477
96
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Priority Hints | Speed Kit |
|---|---|---|
| LCP | 1.9 s | 1.9 s |
| INP | 75 ms | 150 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 900 ms |
Median site's p75 values from the Chrome UX Report, Sep 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.
Priority Hints to Speed Kit
| Domain | When |
|---|---|
| basler-beauty.de | Aug 2026 |
| autoteile-immler.com | Apr 2026 |
Speed Kit to Priority Hints
| Domain | When |
|---|---|
| italoferretti.com | Apr 2026 |
| suitepad.de | Mar 2026 |