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/280234.jpg?width=449&height=367&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 62537
Content-Type image/jpeg
Expires Sun, 28 Jan 2018 18:30:19 GMT
Last-Modified Wed, 29 Nov 2017 11:34:01 GMT
Accept-Ranges bytes
ETag f4c219f4569d31:0
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 Sun, 21 Jan 2018 18:30:19 GMT

Load Info

page size62537
load time (s)1.256892
redirect count0
speed download0
server IP185.2.14.202


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