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:i.astratex.cz/ig/bannery/AT_new/menu/CZ/plavky.jpg?v=...
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
Cache-Control max-age=1209600
Content-Type image/jpeg
Last-Modified Fri, 12 Jul 2019 11:53:39 GMT
Accept-Ranges bytes
ETag 4118cd71a838d51:0
Server Microsoft-IIS/8.5
Access-Control-Allow-Origin *
Date Wed, 27 May 2020 15:17:55 GMT
Content-Length 19178

Load Info

page size19178
load time (s)1.639358
redirect count0
speed download11698
server IP193.105.159.25


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