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:weblettres.net/pedagogie/gt_tl/contributions/comment_les_personnages_expriment_ils_leur_passion_dans_les_2_oeuvres.pd...
favicon.ico:
URL does not point to a web page (html/xhtml) or read error or page not found. (401)
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/1.1 401 Authorization Required
Date Thu, 19 Apr 2018 17:40:26 GMT
Server Apache
WWW-Authenticate Basic realm= Acces Restreint
Vary Accept-Encoding
Content-Encoding gzip
Content-Length 290
Content-Type text/html; charset=iso-8859-1

Load Info

page size401
load time (s)4.516499
redirect count0
speed download64
server IP62.210.116.116


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