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...
favicon.ico:
URL does not point to a web page (html/xhtml) or read error or page not found. (5002)
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
cached page - cached page ( 2 days ago )

Header

HTTP/1.1 200 OK
Server nginx
Content-Type image/gif
Content-Length 1343
Last-Modified Fri, 08 Jun 2012 01:35:13 GMT
ETag 4fd156d1-53f
Accept-Ranges bytes
Cache-Control max-age=311
Expires Sun, 29 Mar 2020 15:35:18 GMT
Date Sun, 29 Mar 2020 15:30:07 GMT
Connection close

Load Info

page size1343
load time (s)0.073616
redirect count0
speed download18243
server IP23.206.37.240

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