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:cdn4.slideserve.com/7962737/welcome-to-t.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/1.1 200 OK
Server Apache/2.2.29 (Unix) mod_ssl/2.2.29 OpenSSL/1.0.1e-fips mod_bwlimited/1.4
Last-Modified Mon, 06 Aug 2018 11:27:38 GMT
ETag d443c85-b85-572c2908dfe80
Accept-Ranges bytes
Content-Length 2949
Content-Type image/jpeg
Cache-Control max-age=31535993
Expires Wed, 24 Jun 2020 12:13:28 GMT
Date Tue, 25 Jun 2019 12:13:35 GMT
Connection keep-alive

Load Info

page size2949
load time (s)0.709344
redirect count0
speed download0
server IP23.50.58.82


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