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:univ-rennes1.fr/ redirected to: univ-rennes1.f...
URL does not point to a web page (html/xhtml) or read error or page not found. (6401)
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 Wed, 21 Feb 2018 09:15:29 GMT
Server Apache
Location htt????/univ-rennes1.fr/
Content-Type text/html; charset=iso-8859-1
HTTP/1.1 401 Unauthorized
Date Wed, 21 Feb 2018 09:15:29 GMT
Server Apache
WWW-Authenticate Basic realm= Mot de passe Sesame
Last-Modified Thu, 17 Aug 2017 15:51:06 GMT
ETag 428-556f4faf62e80
Accept-Ranges bytes
Content-Length 1064
Vary User-Agent
Content-Type text/html; charset=UTF-8

Load Info

page size1064
load time (s)0.129265
redirect count1
speed download0
server IP129.20.126.134


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