Top Extensions (past week)

Rank Extension Fingerprints Connections
1 supported_groups (0x000a) 5964 100.0%
2 signature_algorithms (0x000d) 5776 99.7%
3 server_name (0x0000) 5530 99.0%
4 ec_point_formats (0x000b) 5746 95.0%
5 extended_master_secret (0x0017) 4398 92.9%
6 application_layer_protocol_negotiation (0x0010) 2947 77.0%
7 renegotiation_info (0xff01) 2651 73.4%
8 supported_versions (0x002b) 3083 72.3%
9 key_share (0x0033) 2978 72.2%
10 psk_key_exchange_modes (0x002d) 2789 70.3%
11 status_request (0x0005) 2666 64.8%
12 padding (0x0015) 1967 55.4%
13 SessionTicket TLS (0x0023) 3656 47.6%
14 signed_certificate_timestamp (0x0012) 1009 38.8%
15 GREASE (0x0a0a) 423 38.0%
16 compressed_certificate (0x001b) 286 28.8%
17 encrypt_then_mac (0x0016) 1459 18.5%
18 post_handshake_auth (0x0031) 541 17.0%
19 pre_shared_key (0x0029) 637 9.1%
20 NPN (0x3374) 608 8.2%
21 record_size_limit (0x001c) 338 3.5%
22 Unknown (0x0022) 144 3.2%
23 Unknown (0xfe0d) 65 2.9%
24 early_data (0x002a) 51 1.8%
25 heartbeat (0x000f) 866 1.5%
26 signature_algorithms_cert (0x0032) 281 1.5%
27 ChannelID (0x7550) 76 0.9%
28 status_request_v2 (0x0011) 214 0.6%
29 Unknown (0xff04) 2 0.1%
30 server_certificate_type (0x0014) 2 0.1%
31 token_binding (0x0018) 23 0.0%
32 max_fragment_length (0x0001) 29 0.0%
33 application_settings (0x4469) 50 0.0%
34 extended_random (0x0028) 22 0.0%
35 LEGACY_ChannelID (0x754f) 8 0.0%
36 Unknown (0xef00) 1 0.0%
37 LEGACY_padding (0x8b47) 3 0.0%
38 Unknown (0xff03) 6 0.0%
39 LEGACY_token_binding (0x5500) 3 0.0%
40 Unknown (0x270f) 1 0.0%