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/@images/picto_adherer.jpg redirected to: weblettres.net/@images/picto_adherer.jp...
site title:
Url ContentJPEG Image
MIME Type / Internet Media Typeimage/jpeg
MIME Type image
File Extension.jpeg, .jpg
More Details (link to:)RFC 1314
Powered by: Very Tiny URL Shortener at https://vturl.net VeryTinyURL

Header

HTTP/1.1 301 Moved Permanently
Date Mon, 23 Jul 2018 17:57:02 GMT
Server Apache
X-Frame-Options SAMEORIGIN
Location htt????/weblettres.net/@images/picto_adherer.jpg
Vary Accept-Encoding
Content-Encoding gzip
Content-Length 213
Content-Type text/html; charset=iso-8859-1
HTTP/1.1 200 OK
Date Mon, 23 Jul 2018 17:57:02 GMT
Server Apache
X-Frame-Options SAMEORIGIN
Last-Modified Wed, 22 Aug 2012 21:03:21 GMT
ETag 26d20f-3be-4c7e112a1b840
Accept-Ranges bytes
Content-Length 958
X-XSS-Protection 1; mode=block
X-Content-Type-Options nosniff
X-Content-Security-Policy allow self ;
Content-Type image/jpeg

Load Info

page size958
load time (s)1.533971
redirect count1
speed download0
server IP62.210.116.116


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