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:ion.ir/content/modulefile/file/286907.jpg?width=505&height=310&bgcolor=ee...
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
Cache-Control public, must-revalidate, max-age=604800
Content-Length 28771
Content-Type image/jpeg
Expires Tue, 30 Jan 2018 07:53:49 GMT
Last-Modified Thu, 14 Dec 2017 13:47:48 GMT
Accept-Ranges bytes
ETag 1f2afb20e274d31:0
Vary Accept-Encoding
Server Microsoft-IIS/8.5
ImageProcessedBy ImageProcessor/2.5.4.0 - ImageProcessor.Web/4.8.4.0
X-Powered-By ASP.NET
Date Tue, 23 Jan 2018 07:53:48 GMT

Load Info

page size28771
load time (s)1.257221
redirect count0
speed download0
server IP185.2.14.202


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