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:b.hatena.ne.jp/entry/image/http://r.gnavi.co.jp/sp/g-mag/entry/013381 redirected to: cdn-ak.b.st-hatena.com/images/users/gif/normal/00235.gi...
site title:

Header

HTTP/1.1 302 Found
Server nginx
Date Thu, 20 Sep 2018 21:04:26 GMT
Content-Length 0
Connection keep-alive
Cache-Control public, max-age=3600, s-maxage=3600
Location htt????/cdn-ak.b.st-hatena.com/images/users/gif/normal/00235.gif
X-Varnish 994947438 950007501
Age 2380
Via 1.1 varnish-v4
X-Cache HIT

Load Info

load time (s)6.999822
redirect count1
speed download0
server IP59.106.194.17


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