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:launchpad.net/~cryptoexchange/+archive/ubuntu/ppa27 redirected to: launchpad.net/~cryptoexchange/+archive/ubuntu/ppa2...
favicon.ico:
URL does not point to a web page (html/xhtml) or read error or page not found. (410)
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/1.1 301 Moved Permanently
Date Sat, 20 Apr 2019 22:44:03 GMT
Server Apache
Location htt????/launchpad.net/~cryptoexchange/+archive/ubuntu/ppa27
Content-Length 267
Content-Type text/html; charset=iso-8859-1
HTTP/1.1 410 Gone
Date Sat, 20 Apr 2019 22:44:03 GMT
Server zope.server.http (HTTP)
X-Powered-By Zope (www.zope.org), Python (www.python.org)
X-Lazr-OopsId OOPS-e217bab7e64e137b1aefda40ee66e76f
Content-Type text/html;charset=utf-8
X-Cache MISS from nutmeg
X-Cache-Lookup MISS from nutmeg:3128
Via 1.1 nutmeg (squid/3.5.12)
Vary Accept-Encoding
Content-Encoding gzip
Transfer-Encoding chunked

Meta Tags

title="Error: Page gone"
charset="UTF-8"

Load Info

page size9334
load time (s)1.773718
redirect count1
speed download1867
server IP91.189.89.222


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