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/2016/07/mock-chemical-attack-exercise-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 Thu, 21 Jun 2018 19:56:40 GMT
Content-Type image/jpeg
Content-Length 7749
Connection keep-alive
Set-Cookie __cfduid=dca655110a1279852fed3bd68cd79f28a1529611000; expires=Fri, 21-Jun-19 19:56:40 GMT; path=/; domain=.21stcenturywire.com; HttpOnly
Last-Modified Sat, 14 Apr 2018 14:36:35 GMT
ETag 5ad211f3-1e45
X-Type static/known
Cache-Control public, max-age=2592000
Vary Accept-Encoding
Access-Control-Allow-Origin *
CF-Cache-Status MISS
Expires Sat, 21 Jul 2018 19:56:40 GMT
Accept-Ranges bytes
Server cloudflare
CF-RAY 42e90a2f35ee6908-CDG

Load Info

page size7749
load time (s)1.710458
redirect count0
speed download0
server IP104.27.78.19


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