Top Extensions (past week)

Rank Extension Fingerprints Connections
1 GREASE (0x0a0a) 520 108.7%
2 supported_groups (0x000a) 3791 99.4%
3 signature_algorithms (0x000d) 3659 99.4%
4 ec_point_formats (0x000b) 3756 99.2%
5 server_name (0x0000) 3753 98.9%
6 extended_master_secret (0x0017) 2456 91.7%
7 renegotiation_info (0xff01) 1831 83.0%
8 status_request (0x0005) 1889 82.7%
9 application_layer_protocol_negotiation (0x0010) 1749 77.8%
10 SessionTicket TLS (0x0023) 2644 74.3%
11 supported_versions (0x002b) 1144 74.2%
12 key_share (0x0033) 1084 73.9%
13 psk_key_exchange_modes (0x002d) 1029 72.6%
14 padding (0x0015) 1144 67.8%
15 signed_certificate_timestamp (0x0012) 735 64.4%
16 compressed_certificate (0x001b) 133 46.2%
17 pre_shared_key (0x0029) 191 6.4%
18 record_size_limit (0x001c) 166 6.4%
19 encrypt_then_mac (0x0016) 514 6.0%
20 NPN (0x3374) 602 5.0%
21 heartbeat (0x000f) 895 4.6%
22 post_handshake_auth (0x0031) 92 3.3%
23 token_binding (0x0018) 77 2.0%
24 ChannelID (0x7550) 147 0.5%
25 signature_algorithms_cert (0x0032) 61 0.3%
26 early_data (0x002a) 21 0.3%
27 status_request_v2 (0x0011) 50 0.2%
28 Unknown (0xff03) 7 0.0%
29 extended_random (0x0028) 22 0.0%
30 max_fragment_length (0x0001) 29 0.0%
31 Unknown (0x4242) 4 0.0%
32 LEGACY_token_binding (0x5500) 6 0.0%
33 LEGACY_ChannelID (0x754f) 9 0.0%
34 Unknown (0x0022) 8 0.0%
35 Unknown (0xef00) 1 0.0%
36 Unknown (0x2cf0) 1 0.0%
37 Unknown (0x2cf2) 1 0.0%
38 LEGACY_padding (0x8b47) 5 0.0%