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:www.bu.edu.eg/portal/uploads/NewsPDF/monaqsa.pd...
site title:
Url ContentAdobe Portable Document Format
MIME Type / Internet Media Typeapplication/pdf
MIME Type application
File Extension.pdf
More Details (link to:)Adobe PDF
Powered by: Very Tiny URL Shortener at https://vturl.net VeryTinyURL

Header

HTTP/1.1 200 OK
Date Sun, 24 Jun 2018 07:19:40 GMT
Server Apache/2.4.16 (Win32) mod_antiloris/0.6.0 OpenSSL/1.0.1p PHP/5.6.12
Last-Modified Wed, 04 Oct 2017 08:21:26 GMT
ETag 8052f-55ab44b43ebb1
Accept-Ranges bytes
Content-Length 525615
Vary User-Agent
Cache-Control max-age=604800
Content-Type application/pdf

Load Info

page size525615
load time (s)0.017121
redirect count0
speed download0
server IP65.52.129.84


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