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Device Bound Session Credentials on new websites

Browser protocol that binds a session cookie to a device held key to resist token theft.

Sites using Device Bound Session Credentials
1
since Aug 2026
Last 30 days
0.0%
of new sites, to Oct 21
no change on the 30 days before
Last 7 days
0.0%
of new sites, 7-day average
no change on the week before
Rank in Protocol
#18
of 23 tools, all time
First seen Aug 21, 2026

What we found

  1. Device Bound Session Credentials did not appear on any new site in the last 30 days.[1]

Share of new sites using Device Bound Session Credentials

0.00% 0.25% 0.50% 0.75% 1.00% 10 Sep Oct

The line is the 7-day average share of new sites that use Device Bound Session Credentials, since 10 September.

Protocol on new sites

# Movement Tool Share of all sites Share of category Bar
1 – HTTP/3 50.5% >99.9%
2 – Tor Onion Service <0.1% <0.1%
3 ▼3 United States Semantic Standard <0.1% <0.1%
4 ▼1 I2P <0.1% <0.1%
5 ▼1 njump <0.1% <0.1%
…
18 Device Bound Session Credentials <0.1% <0.1%

All-time shares across the new sites we track: of all of them, and of the sites using any Protocol tool. All 23 in Protocol

Recently launched products built on Device Bound Session Credentials

1 of the 1 sites using Device Bound Session Credentials are product launches we list individually.

Site Found Also detected
Does your browser support DBSC? dbsc.dev · Developer Tools Aug 21 Cloudflare

Notes

  1. These figures cover websites that went live since April 2026, not the web as a whole.

How this page is made

FirstSited looks at each new website near the day it goes live and records what it was built with. We do not go back later, so these figures describe what sites launch with, not what they run today. A site counts towards Device Bound Session Credentials when we detect Device Bound Session Credentials on it at that look.

Every share on this page is a proportion of the new sites we were tracking at the time. Sites we found across the wider web count towards the figures, but only product launches are listed by name. How we detect technologies · How we find new sites

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