Defaults.Exposed › Stats › TLS & certificates
What percent of websites use TLS 1.3?
As of July 28, 2026 · census snapshot 2026-07-28
As of July 28, 2026, 94.8% of the 210.4 million HTTPS-serving domains in the Defaults.Exposed census negotiate TLS 1.3 — 199,590,201 domains. 5.2% top out at TLS 1.2.
Denominator = HTTPS-serving (TLS-reachable) domains, not all graded domains. Negotiated-version distribution; servers offering but not negotiating legacy 1.0/1.1 are not enumerable.
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Statistic current as of July 28, 2026. Recomputed from the live census each edition; the number on this page and the machine-readable twin always match. Please cite Defaults.Exposed and link this page.
Defaults.Exposed, "What percent of websites use TLS 1.3?" (as of July 28, 2026). https://defaults.exposed/stats/what-percent-of-websites-use-tls-1-3
Permalink:https://defaults.exposed/stats/what-percent-of-websites-use-tls-1-3 · Machine-readable:tls13-adoption.json · Licence:open data
Methodology: how we grade the internet · Source data: defaults.exposed/data. Updated with each census edition.