We found that only 15 websites were following best practices. Those rows are highlighted in green.

We collected data from October 2021 to December 2021. Researchers can download our data here.

Website Tranco rank Minimum length Requires specific types of characters Allowed leaked (out of 20 tested) Allowed easiest-guessed (out of 20 tested) Strength meter present
google.com 1 8 0 0 Models guessability
netflix.com 2 6 20 20
facebook.com 4 6 8 2 Models complexity
microsoft.com 5 8 14 0
twitter.com 6 8 12 2
instagram.com 7 6 8 3
linkedin.com 9 8 14 0
apple.com 11 8 4 0 Models complexity
wikipedia.org 12 8 5 1
amazon.com 16 6 20 20
yahoo.com 17 7 0 0 Models guessability
pinterest.com 21 6 4 1
adobe.com 22 8 0 0
vimeo.com 24 8 18 15
wordpress.com 27 6 3 1
reddit.com 31 8 16 4
zoom.us 33 8 20 20
github.com 34 8 0 0
amazonaws.com 36 8 20 20
bit.ly 37 6 6 3
tumblr.com 43 8 0 0 Models guessability
vk.com 48 6 1 1
nytimes.com 49 6 20 20
flickr.com 51 12 20 20
dropbox.com 53 6 20 20 Models guessability
soundcloud.com 56 8 20 20
spotify.com 59 8 12 6
myshopify.com 60 5 20 20 Models guessability
cnn.com 65 8 20 20
forbes.com 66 8 20 20
ebay.com 68 6 11 9
theguardian.com 69 8 0 0
w3.org 70 8 0 0 Models complexity
paypal.com 72 8 15 5
twitch.tv 73 8 0 0 Models guessability
sourceforge.net 74 10 0 0
cloudflare.com 75 8 20 20
archive.org 76 3 20 20
imdb.com 77 8 20 20
bbc.co.uk 89 8 17 14
issuu.com 91 4 20 20
weebly.com 92 8 0 0
aliexpress.com 95 6 20 20 Models complexity
washingtonpost.com 96 8 20 20
stackoverflow.com 98 8 20 20
etsy.com 99 6 20 20 Models complexity
reuters.com 103 8 20 20
tinyurl.com 106 6 20 20
tiktok.com 108 8 20 20
wsj.com 109 5 20 20
wix.com 113 6 20 20 Models complexity
bloomberg.com 114 8 2 1
sciencedirect.com 118 8 20 20 Models complexity
slideshare.net 120 5 20 20
imgur.com 121 6 20 20
oracle.com 122 8 20 20
opera.com 123 8 0 0
booking.com 125 10 20 20
indeed.com 126 8 9 1
businessinsider.com 127 8 20 20
canva.com 132 8 2 0 Models guessability
godaddy.com 135 9 20 20 Models guessability
cnet.com 140 6 20 20
ibm.com 143 8 19 20
researchgate.net 144 6 20 20 Models complexity
digicert.com 145 10 20 20
dailymail.co.uk 148 5 20 20
slack.com 150 6 13 4
fandom.com 154 1 20 20
nature.com 157 8 20 20
force.com 159 8 19 18
cnbc.com 160 8 20 20
usatoday.com 161 5 20 20 Models complexity
chase.com 163 8 11 9
walmart.com 164 8 20 20
hp.com 166 8 20 20
surveymonkey.com 168 8 11 2
aol.com 170 7 0 0 Models guessability
yelp.com 171 6 14 6 Models complexity
eventbrite.com 173 8 20 20 Models guessability
telegraph.co.uk 174 8 20 20
opendns.com 176 8 20 20
cpanel.net 177 4 7 7 Models guessability
springer.com 186 6 20 20
time.com 187 8 20 20
npr.org 189 5 20 20
ted.com 190 8 20 20
samsung.com 191 8 19 14
myspace.com 194 8 20 20
dailymotion.com 196 8 20 20
themeforest.net 198 8 0 0
huffingtonpost.com 199 8 20 20
wired.com 200 6 20 20
mailchimp.com 201 8 20 20
espn.com 202 6 14 10 Models complexity
addthis.com 204 6 20 20
techcrunch.com 205 7 0 0 Models guessability
scribd.com 208 8 20 20
zillow.com 211 8 20 20
goodreads.com 212 6 20 20
unsplash.com 213 6 20 20
indiatimes.com 214 6 20 20
trello.com 219 8 20 20
grammarly.com 220 8 0 0
tripadvisor.com 221 6 11 3
freepik.com 222 6 0 2
independent.co.uk 225 6 20 20
roblox.com 226 8 18 6
squarespace.com 230 6 20 20
foxnews.com 232 6 20 20
zendesk.com 237 5 20 20
latimes.com 239 6 20 20
line.me 245 6 20 20
shutterstock.com 246 8 20 20
livejournal.com 247 6 19 10
wetransfer.com 248 8 19 4
intuit.com 250 8 20 20
intel.com 254 8 20 20
stackexchange.com 256 8 20 20
w3schools.com 262 8 20 20