Seal Subscriptions vs Vitals
Head-to-head usage across the sites we track.
Top sites by authority
Seal Subscriptions · Vitals · 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
Seal Subscriptions · Vitals · share of sites in each country using one or the other
United States
5,335
3,310
United Kingdom
1,797
1,382
Canada
1,280
993
India
823
1,273
Australia
1,054
956
Germany
979
992
France
649
905
Spain
500
670
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Seal Subscriptions | Vitals |
|---|---|---|
| LCP | 1.5 s | 1.6 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 500 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.
Seal Subscriptions to Vitals
| Domain | When |
|---|---|
| trendtonic.co.uk | Jun 2026 |
| earthcoffeeco.shop | Jun 2026 |
| ofpfarms.com | May 2026 |
| tornagris.com | Apr 2026 |
| reismansbakery.com | Feb 2026 |
| haymakerbox.com | Jan 2026 |
| venuzanails.com | Dec 2025 |
| leanliving.co.za | Nov 2025 |
| aishwaryamoils.com | Nov 2025 |
Vitals to Seal Subscriptions
| Domain | When |
|---|---|
| iglow.me | Jun 2026 |
| happyminutes.store | May 2026 |
| trykinsa.com | Apr 2026 |
| trynatria.com | Sep 2025 |
| trynourify.com | Sep 2025 |