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:edukacija.rs/wp-content/uploads/2018/02/dinosauru-ihtiosaurus-59x42_c.jpe...
favicon.ico:
URL does not point to a web page (html/xhtml) or read error or page not found. (5002)
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 nginx
Date Thu, 05 Dec 2019 15:42:35 GMT
Content-Type image/jpeg
Content-Length 1600
Last-Modified Wed, 25 Sep 2019 07:06:59 GMT
Connection keep-alive
ETag 5d8b1213-640
Expires Thu, 31 Dec 2037 23:55:55 GMT
Cache-Control max-age=315360000
Accept-Ranges bytes

Load Info

page size1600
load time (s)1.537491
redirect count0
speed download1040
server IP5.9.12.146

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