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.asahi.com/images08/common/icn_tool_twitter.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
Server Apache/2
Last-Modified Fri, 08 Jun 2012 01:35:13 GMT
ETag 6048120-53f-4c1ec02f69640
Accept-Ranges bytes
Content-Length 1343
Content-Type image/gif
Cache-Control max-age=559
Expires Thu, 19 Sep 2019 13:33:28 GMT
Date Thu, 19 Sep 2019 13:24:09 GMT
Connection keep-alive

Load Info

page size1343
load time (s)1.517631
redirect count0
speed download0
server IP23.217.245.6

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