Top Extensions (past week)

Rank Extension Fingerprints Connections
1 supported_groups (0x000a) 4441 99.9%
2 signature_algorithms (0x000d) 4294 99.6%
3 server_name (0x0000) 4296 99.4%
4 ec_point_formats (0x000b) 4367 98.9%
5 extended_master_secret (0x0017) 3072 96.3%
6 status_request (0x0005) 2217 90.5%
7 renegotiation_info (0xff01) 2237 90.5%
8 application_layer_protocol_negotiation (0x0010) 2098 87.7%
9 supported_versions (0x002b) 1640 84.6%
10 key_share (0x0033) 1555 84.4%
11 psk_key_exchange_modes (0x002d) 1488 84.0%
12 signed_certificate_timestamp (0x0012) 855 77.5%
13 padding (0x0015) 1417 71.9%
14 GREASE (0x0a0a) 344 71.6%
15 SessionTicket TLS (0x0023) 2975 54.2%
16 compressed_certificate (0x001b) 207 35.9%
17 Unknown (0x4469) 45 28.6%
18 pre_shared_key (0x0029) 334 10.9%
19 NPN (0x3374) 605 4.1%
20 encrypt_then_mac (0x0016) 683 4.0%
21 record_size_limit (0x001c) 244 2.8%
22 Unknown (0x0022) 81 2.2%
23 post_handshake_auth (0x0031) 141 1.9%
24 heartbeat (0x000f) 927 1.5%
25 early_data (0x002a) 43 0.8%
26 signature_algorithms_cert (0x0032) 133 0.2%
27 ChannelID (0x7550) 108 0.1%
28 token_binding (0x0018) 41 0.1%
29 status_request_v2 (0x0011) 104 0.1%
30 Unknown (0xff03) 8 0.0%
31 extended_random (0x0028) 24 0.0%
32 max_fragment_length (0x0001) 28 0.0%
33 LEGACY_ChannelID (0x754f) 11 0.0%
34 LEGACY_token_binding (0x5500) 3 0.0%
35 Unknown (0x4242) 2 0.0%
36 server_certificate_type (0x0014) 1 0.0%
37 LEGACY_padding (0x8b47) 4 0.0%
38 Unknown (0xef00) 1 0.0%
39 Unknown (0x2cf0) 1 0.0%
40 Unknown (0x2cf2) 1 0.0%