TLS Versions

Max TLS versions

This table lists the maximum supported version of connections, either from the Handshake version, or the first (non-GREASE) listed in the supported_versions extension.

Rank Version Connections
1 TLS 1.3 (0x0304) 75.2%
2 TLS 1.2 (0x0303) 24.2%
3 TLS 1.0 (0x0301) 0.5%
4 TLS 1.1 (0x0302) 0.1%
5 TLS 1.3-draft-23 (0x7f17) 0.0%
6 TLS 1.3-draft-18 (0x7f12) 0.0%
7 TLS 1.3-draft-28 (0x7f1c) 0.0%
8 SSL 3.0 (0x0300) 0.0%
9 Unknwon (0x7e02) 0.0%
10 Unknwon (0x7e01) 0.0%
11 TLS 1.3-draft-26 (0x7f1a) 0.0%
12 TLS 1.3-draft-20 (0x7f14) 0.0%
13 Unknwon (0x0000) 0.0%
14 TLS 1.3-draft-22 (0x7f16) 0.0%

Top supported_versions

This table breaks down the percent of connections that send the supported_versions extension (defined by TLS 1.3), and what version they support.

Rank Supported Version Fingerprints Connections
1 TLS 1.2 (0x0303) 2373 75.5%
2 TLS 1.3 (0x0304) 2316 75.2%
3 GREASE (0x0a0a) 433 53.1%
4 TLS 1.1 (0x0302) 1389 26.4%
5 TLS 1.0 (0x0301) 1318 26.3%
6 SSL 3.0 (0x0300) 99 0.4%
7 Unknown (0xfb1a) 32 0.2%
8 TLS 1.3-draft-23 (0x7f17) 19 0.0%
9 TLS 1.3-draft-18 (0x7f12) 16 0.0%
10 TLS 1.3-draft-28 (0x7f1c) 9 0.0%
11 Unknown (0x7e02) 3 0.0%
12 Unknown (0x7e01) 3 0.0%
13 TLS 1.3-draft-26 (0x7f1a) 3 0.0%
14 TLS 1.3-draft-27 (0x7f1b) 2 0.0%