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-ak2.favicon.st-hatena.com/?url=https%3A%2F%2Fnikkan-spa.jp%2F1574598 redirected to: cdn-ak-scissors.favicon.st-hatena.com/image/favicon2/315999bfc4b4b463b0beaac4dc49ebb833b0b02d/backend=imagemagick;size=16;version=1/https%3A%2F%2Fnikkan-spa.jp%2Fwp-content%2Fthemes%2Fdayspa%2Fstatic%2Fimg%2Ffavicon.ic...
site title:
Url ContentPortable Network Graphics (PNG)
MIME Type / Internet Media Typeimage/png
MIME Type image
File Extension.png
More Details (link to:)RFC 2083
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Header

HTTP/1.1 302 Moved Temporarily
Content-Type text/html; charset=utf-8
Content-Length 250
Location htt????/cdn-ak-scissors.favicon.st-hatena.com/image/favicon2/315999bfc4b4b463b0beaac4dc49ebb833b0b02d/backend=imagemagick;size=16;version=1/https%3A%2F%2Fnikkan-spa.jp%2Fwp-content%2Fthemes%2Fdayspa%2Fstatic%2Fimg%2Ffavicon.ico
Date Sun, 21 Jul 2019 21:08:53 GMT
Connection keep-alive
HTTP/1.1 200 OK
Content-Type image/png
X-Runtime 0.045597
Content-Length 1133
Cache-Control max-age=1041863
Expires Fri, 02 Aug 2019 22:33:16 GMT
Date Sun, 21 Jul 2019 21:08:53 GMT
Connection keep-alive

Load Info

page size1133
load time (s)2.510348
redirect count1
speed download0
server IP23.34.189.175


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