badssl.com
🎛
Dashboard
Dashboard
🎫
Certificate
expired
wrong.host
self-signed
untrusted-root
revoked
pinning-test
no-common-name
no-subject
incomplete-chain
sha256
sha384
sha512
1000-sans
10000-sans
ecc256
ecc384
rsa2048
rsa4096
rsa8192
extended-validation
🎟
Client Certificate
Certificate Downloads
client
client-cert-missing
🖼
Mixed Content
mixed-script
very
mixed
mixed-favicon
mixed-form
✏️
HTTP
http
http-textarea
http-password
http-login
http-dynamic-login
http-credit-card
🔀
Cipher Suite
cbc
rc4-md5
rc4
3des
null
mozilla-old
mozilla-intermediate
mozilla-modern
🔑
Key Exchange
dh480
dh512
dh1024
dh2048
dh-small-subgroup
dh-composite
static-rsa
↔️
Protocol
tls-v1-0
tls-v1-1
tls-v1-2
🔍
Certificate Transparency
no-sct
⬆️
Upgrade
hsts
upgrade
preloaded-hsts
subdomain.preloaded-hsts
https-everywhere
👀
UI
spoofed-favicon
lock-title
long-extended-subdomain-name-containing-many-letters-and-dashes
longextendedsubdomainnamewithoutdashesinordertotestwordwrapping
❌
Known Bad
(Lenovo) Superfish
(Dell) eDellRoot
(Dell) DSD Test Provider
preact-cli
webpack-dev-server
Chrome Tests
captive-portal
mitm-software
☠️
Defunct
sha1-2016
sha1-2017
sha1-intermediate
invalid-expected-sct
🛠
Test Suites
Safe Browsing Tests
SSL Labs Client Test
Your Browser:
📋 Click to copy
On GitHub