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:21stcenturywire.com/wp-content/uploads/2013/12/1-Iran-nuclear-deal-120x120.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
Date Fri, 22 Jun 2018 03:53:57 GMT
Content-Type image/jpeg
Content-Length 3746
Connection keep-alive
Set-Cookie __cfduid=d1bf3519980d9747203a9bfb7fa374a331529639636; expires=Sat, 22-Jun-19 03:53:56 GMT; path=/; domain=.21stcenturywire.com; HttpOnly
Last-Modified Sat, 14 Apr 2018 16:40:37 GMT
ETag 5ad22f05-ea2
X-Type static/known
Cache-Control public, max-age=2592000
Vary Accept-Encoding
Access-Control-Allow-Origin *
CF-Cache-Status MISS
Expires Sun, 22 Jul 2018 03:53:57 GMT
Accept-Ranges bytes
Server cloudflare
CF-RAY 42ebc551731cb7b3-CDG

Load Info

page size3746
load time (s)0.212466
redirect count0
speed download0
server IP104.27.79.19


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