If you are not sure if the website you want to visit is safe, you can check it out here. Enter the address (url) of the website and see the invisible elements, such as a header or meta data.
site address:java.net/bugzilla/show_bug.cgi redirected to: java.net/bugzilla/show_bug.cgi
favicon.ico:
site title:Search by bug number
Url ContentHyperText Markup Language (HTML)
MIME Type / Internet Media Typetext/html
MIME Type text
File Extension.html
More Details (link to:)Wikipedia: HTML
Powered by: Very Tiny URL Shortener at https://vturl.net VeryTinyURL

Header

HTTP/1.0 302 Found
Location htt????/java.net/bugzilla/show_bug.cgi
Server BigIP
Connection Keep-Alive
Content-Length 0
HTTP/1.1 200 OK
Date Thu, 23 Feb 2017 05:05:11 GMT
Server Apache/2.2.31 (Unix) mod_perl/2.0.7 Perl/v5.14.2
X-xss-protection 1; mode=block
X-frame-options SAMEORIGIN
X-content-type-options nosniff
Content-Type text/html; charset=UTF-8
Set-Cookie Bugzilla_login_request_cookie=RPFcd3NPDi; path=/bugzilla/; HttpOnly
Cache-Control max-age=0
Expires Thu, 23 Feb 2017 05:05:11 GMT
Vary Accept-Encoding
Content-Encoding gzip
Content-Length 1963
Connection close

Meta Tags

title="Search by bug number"
http-equiv="Content-Type" content="text/html; charset=UTF-8"

Load Info

page size6703
load time (s)1.102375
redirect count1
speed download1780
server IP137.254.56.25


* all occurrences of the string "http://" have been changed to "htt???/"