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%2Fspeakerdeck.com%2Fkubosho%2Fsolution-of-css-is-too-fragile-by-abematv redirected to: cdn-ak-scissors.favicon.st-hatena.com/image/favicon2/a49e2b7231a05a4341d343b0a7f268b22d020edc/backend=imagemagick;size=16;version=1/https%3A%2F%2Fd2dfho4r6t7asi.cloudfront.net%2Fassets%2Ffavicon-c0fe5475f88a65b817c8cc7c0fedc01b7acc17fe27628fa13ca3f96e56e16977.pn...
favicon.ico:
URL does not point to a web page (html/xhtml) or read error or page not found. (5002)
Url ContentPortable Network Graphics (PNG)
MIME Type / Internet Media Typeimage/png
MIME Type image
File Extension.png
More Details (link to:)RFC 2083
Powered by: Very Tiny URL Shortener at https://vturl.net VeryTinyURL

Header

HTTP/1.1 302 Moved Temporarily
Content-Type text/html; charset=utf-8
Location htt????/cdn-ak-scissors.favicon.st-hatena.com/image/favicon2/a49e2b7231a05a4341d343b0a7f268b22d020edc/backend=imagemagick;size=16;version=1/https%3A%2F%2Fd2dfho4r6t7asi.cloudfront.net%2Fassets%2Ffavicon-c0fe5475f88a65b817c8cc7c0fedc01b7acc17fe27628fa13ca3f96e56e16977.png
X-Cloud-Trace-Context 46813b471c3b5981cd439ac38e7ab15d
Server Google Frontend
Content-Length 294
Date Wed, 27 May 2020 11:28:48 GMT
Connection keep-alive
HTTP/1.1 200 OK
Content-Type image/png
X-Runtime 0.950559
Content-Length 714
Cache-Control max-age=839819
Expires Sat, 06 Jun 2020 04:45:48 GMT
Date Wed, 27 May 2020 11:28:49 GMT
Connection keep-alive

Load Info

page size714
load time (s)2.398507
redirect count1
speed download297
server IP96.7.227.105


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