Top Extensions (past week)

Rank Extension Fingerprints Connections
1 GREASE (0x0a0a) 674 109.9%
2 supported_groups (0x000a) 5792 99.9%
3 ec_point_formats (0x000b) 5744 99.7%
4 signature_algorithms (0x000d) 5644 99.2%
5 server_name (0x0000) 6246 98.4%
6 extended_master_secret (0x0017) 3539 90.3%
7 renegotiation_info (0xff01) 2618 82.2%
8 status_request (0x0005) 2759 82.0%
9 application_layer_protocol_negotiation (0x0010) 2421 74.6%
10 SessionTicket TLS (0x0023) 3727 74.3%
11 supported_versions (0x002b) 1770 73.3%
12 key_share (0x0033) 1588 72.5%
13 psk_key_exchange_modes (0x002d) 1504 71.4%
14 padding (0x0015) 1606 65.0%
15 signed_certificate_timestamp (0x0012) 1024 63.2%
16 compressed_certificate (0x001b) 193 42.6%
17 heartbeat (0x000f) 1209 7.3%
18 pre_shared_key (0x0029) 268 5.9%
19 encrypt_then_mac (0x0016) 816 5.7%
20 record_size_limit (0x001c) 253 5.7%
21 NPN (0x3374) 868 3.1%
22 post_handshake_auth (0x0031) 169 2.6%
23 signature_algorithms_cert (0x0032) 132 0.7%
24 token_binding (0x0018) 73 0.5%
25 ChannelID (0x7550) 187 0.3%
26 status_request_v2 (0x0011) 110 0.2%
27 Unknown (0x4469) 13 0.2%
28 early_data (0x002a) 25 0.2%
29 max_fragment_length (0x0001) 24 0.0%
30 Unknown (0xff03) 8 0.0%
31 Unknown (0x0022) 14 0.0%
32 LEGACY_token_binding (0x5500) 9 0.0%
33 extended_random (0x0028) 29 0.0%
34 Unknown (0x4242) 3 0.0%
35 LEGACY_ChannelID (0x754f) 16 0.0%
36 Unknown (0xef00) 1 0.0%
37 LEGACY_padding (0x8b47) 8 0.0%
38 Unknown (0x2cf0) 1 0.0%
39 Unknown (0x2cf2) 1 0.0%
40 Unknown (0xffce) 1 0.0%