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:images1.amazinesmedia.com/images/spacer.gi...
site title:
Url ContentGraphics Interchange Format
MIME Type / Internet Media Typeimage/gif
MIME Type image
File Extension.gif
More Details (link to:)Wikipedia: Graphics Interchange Format
Powered by: Very Tiny URL Shortener at https://vturl.net VeryTinyURL

Header

HTTP/1.1 200 OK
Content-Type image/gif
Last-Modified Fri, 21 Oct 2005 18:31:36 GMT
Accept-Ranges bytes
ETag 03415ab6dd6c51:0
Server Microsoft-IIS/7.5
X-Powered-By ASP.NET
Date Wed, 14 Nov 2018 13:39:27 GMT
Content-Length 49

Load Info

page size49
load time (s)0.453588
redirect count0
speed download0
server IP34.217.190.247


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