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:www.panoramastock.com/image/psdefault/slide/banner4.jpg?...
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
Content-Type image/jpeg
Last-Modified Sat, 29 Jul 2017 02:32:37 GMT
Accept-Ranges bytes
ETag 5e5f68f1128d31:0
Server Microsoft-IIS/7.5
X-Powered-By ASP.NET
Date Tue, 17 Jul 2018 17:06:28 GMT
Content-Length 246772

Load Info

page size246772
load time (s)0.411711
redirect count0
speed download0
server IP121.52.223.69


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