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:tw.670149.sex520-tw.net/images2/title-online-01-a.jp...
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
Date Mon, 30 Mar 2020 00:04:08 GMT
Server Apache/1.3.41 (Unix) mod_gzip/1.3.19.1a PHP/4.4.8
Last-Modified Wed, 24 Oct 2007 22:19:44 GMT
ETag 1368c15-5c1-471fc500
Accept-Ranges bytes
Content-Length 1473
Content-Type image/jpeg

Load Info

page size1473
load time (s)2.047939
redirect count0
speed download719
server IP220.229.238.49


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