比較対象は上位 1,000,000 サイトのみです。登録すると上位 3,000,000 サイトと、アップグレードするとすべてのサイトと比較できます。
<title>Page Not Found</title>
<title>Sorry, there was a problem with the page</title>
<title>Page not found</title>
<title>Access Restricted</title>
<title>Unavailable</title>
<title>404 - Page Not Found</title>
<title>Whoops, we couldn't find that.</title>
<title>In4mo</title>
<title>Object moved</title>
<title>Sorry - we could not find the page you are looking for</title>
<title>Making sure you're not a bot!</title>
<title>404 - Page Not Found</title>
<title>Making sure you're not a bot!</title>
<title>Access to this page has been denied.</title>
<title>Access to this page has been denied.</title>
<title>Access to this page has been denied.</title>
<title>Access to this page has been denied.</title>
<title>Access to this page has been denied.</title>
<title>Access to this page has been denied.</title>
<title>Access to this page has been denied.</title>