Top Extensions (past week)

Rank Extension Fingerprints Connections
1 supported_groups (0x000a) 2767 99.8%
2 signature_algorithms (0x000d) 2732 99.6%
3 server_name (0x0000) 2696 99.1%
4 ec_point_formats (0x000b) 2677 97.6%
5 extended_master_secret (0x0017) 2063 90.2%
6 renegotiation_info (0xff01) 1362 69.0%
7 application_layer_protocol_negotiation (0x0010) 1400 63.6%
8 status_request (0x0005) 1357 57.0%
9 SessionTicket TLS (0x0023) 1756 55.8%
10 supported_versions (0x002b) 1402 55.2%
11 key_share (0x0033) 1346 53.9%
12 psk_key_exchange_modes (0x002d) 1273 51.2%
13 padding (0x0015) 925 43.4%
14 signed_certificate_timestamp (0x0012) 546 26.3%
15 GREASE (0x0a0a) 233 23.0%
16 encrypt_then_mac (0x0016) 623 20.7%
17 compressed_certificate (0x001b) 164 18.9%
18 NPN (0x3374) 368 12.9%
19 post_handshake_auth (0x0031) 191 12.7%
20 record_size_limit (0x001c) 169 6.5%
21 pre_shared_key (0x0029) 264 6.3%
22 heartbeat (0x000f) 482 4.6%
23 Unknown (0x0022) 68 1.7%
24 signature_algorithms_cert (0x0032) 115 1.5%
25 application_settings (0x4469) 27 1.2%
26 early_data (0x002a) 32 0.9%
27 status_request_v2 (0x0011) 80 0.3%
28 ChannelID (0x7550) 51 0.1%
29 Unknown (0xff04) 2 0.1%
30 max_fragment_length (0x0001) 14 0.0%
31 token_binding (0x0018) 15 0.0%
32 server_certificate_type (0x0014) 2 0.0%
33 Unknown (0xfe0d) 7 0.0%
34 extended_random (0x0028) 11 0.0%
35 Unknown (0xff03) 2 0.0%
36 LEGACY_ChannelID (0x754f) 1 0.0%
37 Unknown (0xef00) 1 0.0%
38 LEGACY_token_binding (0x5500) 2 0.0%
39 LEGACY_padding (0x8b47) 1 0.0%