Top Extensions (past week)

Rank Extension Fingerprints Connections
1 GREASE (0x0a0a) 742 117.8%
2 supported_groups (0x000a) 6132 99.7%
3 signature_algorithms (0x000d) 5959 99.3%
4 ec_point_formats (0x000b) 6083 99.1%
5 server_name (0x0000) 6549 99.1%
6 extended_master_secret (0x0017) 3917 90.6%
7 renegotiation_info (0xff01) 2829 86.7%
8 status_request (0x0005) 2907 86.4%
9 application_layer_protocol_negotiation (0x0010) 2684 79.4%
10 supported_versions (0x002b) 1840 75.3%
11 key_share (0x0033) 1709 74.8%
12 psk_key_exchange_modes (0x002d) 1619 73.8%
13 SessionTicket TLS (0x0023) 3994 67.7%
14 padding (0x0015) 1778 67.4%
15 signed_certificate_timestamp (0x0012) 1098 67.3%
16 compressed_certificate (0x001b) 203 40.4%
17 pre_shared_key (0x0029) 309 9.5%
18 encrypt_then_mac (0x0016) 844 5.1%
19 NPN (0x3374) 873 4.3%
20 record_size_limit (0x001c) 282 4.2%
21 heartbeat (0x000f) 1209 3.0%
22 post_handshake_auth (0x0031) 174 1.9%
23 token_binding (0x0018) 81 0.8%
24 early_data (0x002a) 33 0.5%
25 signature_algorithms_cert (0x0032) 147 0.4%
26 ChannelID (0x7550) 212 0.2%
27 status_request_v2 (0x0011) 123 0.1%
28 max_fragment_length (0x0001) 31 0.0%
29 Unknown (0xff03) 10 0.0%
30 extended_random (0x0028) 33 0.0%
31 Unknown (0x4469) 6 0.0%
32 Unknown (0x0022) 17 0.0%
33 Unknown (0x4242) 4 0.0%
34 LEGACY_token_binding (0x5500) 10 0.0%
35 LEGACY_padding (0x8b47) 13 0.0%
36 LEGACY_ChannelID (0x754f) 19 0.0%
37 Unknown (0x2cf0) 1 0.0%
38 Unknown (0x2cf2) 1 0.0%
39 Unknown (0xef00) 1 0.0%
40 cert_type (0x0009) 2 0.0%
41 Unknown (0xffce) 1 0.0%