Marker vs Sentry
Head-to-head usage across the sites we track.
Top sites by authority
Marker · Sentry · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
9
136
Open Page Rank 8+
34
2,050
Open Page Rank 7+
109
7,315
Open Page Rank 6+
205
13,313
Open Page Rank 5+
328
21,753
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Marker · Sentry · share of sites in each country using one or the other
United States
2,067
359,106
United Kingdom
771
105,998
India
607
86,387
Canada
733
84,660
Germany
467
77,287
France
390
75,293
Brazil
207
74,887
Japan
171
58,513
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Marker | Sentry |
|---|---|---|
| LCP | 1.8 s | 1.6 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 600 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Marker to Sentry
| Domain | When |
|---|---|
| sanitairdesigncenter.nl | May 2026 |
| jamboree.online | Mar 2026 |
| cccis.com | Feb 2026 |
| skoutshonor.com | Jan 2026 |
| populusdenver.com | Oct 2025 |
| joellecollection.com | Sep 2025 |
| frontcover.io | Aug 2025 |
| mondaymansion.com | Jul 2025 |
Sentry to Marker
| Domain | When |
|---|---|
| emicare.co.uk | Mar 2026 |
| bbqland.co.uk | Jan 2026 |
| hadrian.io | Dec 2025 |
| iconbydesign.com | Nov 2025 |
| cityden.com | Nov 2025 |
| theramenbae.com | Nov 2025 |
| clocksandcolours.com | Nov 2025 |
| weightwatchers.com | Nov 2025 |
| elmbiosciences.com | Nov 2025 |