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:cdn-ak.f.st-hatena.com/images/fotolife/s/skr21/20180124/20180124235444.jp...
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
x-amz-id-2 c5/ZfkAeSTqEn2a7UgM5HkaSLW7GElFREryRKf8XWBpJeV6ldUsAVu3dqdrgHx2vimLZL6WBUPU=
x-amz-request-id 398B1D9B83CA5C3A
Last-Modified Wed, 24 Jan 2018 14:54:45 GMT
ETag 9fe2306ee1a2be1b6325663065e41492
x-amz-version-id null
Accept-Ranges bytes
Content-Type image/jpeg
Content-Length 49318
Server AmazonS3
Cache-Control public, max-age=0, s-maxage=86400
Date Thu, 20 Sep 2018 17:00:55 GMT
Connection keep-alive

Load Info

page size49318
load time (s)3.711525
redirect count0
speed download0
server IP23.57.82.2


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