HSTS vs Norton Shopping Guarantee
Head-to-head usage across the sites we track.
Top sites by authority
HSTS · Norton Shopping Guarantee · 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
HSTS · Norton Shopping Guarantee · share of sites in each country using one or the other
United States
1,348,640
199
United Kingdom
403,486
40
Germany
403,347
29
India
400,388
52
France
317,870
24
Brazil
290,538
19
Canada
289,821
65
Italy
219,709
16
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | HSTS | Norton Shopping Guarantee |
|---|---|---|
| LCP | 1.7 s | 1.9 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0.05 |
| TTFB | 600 ms | 900 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Norton Shopping Guarantee to HSTS
| Domain | When |
|---|---|
| ultimamax.com | Feb 2026 |