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:images-na.ssl-images-amazon.com/images/I/71FcjnLbD4L._SL1500_.jp...
favicon.ico:
URL does not point to a web page (html/xhtml) or read error or page not found. (503)
Url ContentHyperText Markup Language (HTML)
MIME Type / Internet Media Typetext/html
MIME Type text
File Extension.html
More Details (link to:)Wikipedia: HTML
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Header

HTTP/1.1 503 Service Unavailable
Server AkamaiGHost
Mime-Version 1.0
Content-Type text/html
Content-Length 271
Expires Mon, 18 Jun 2018 18:48:58 GMT
Date Mon, 18 Jun 2018 18:48:58 GMT
Connection keep-alive
Access-Control-Allow-Origin *

Load Info

page size271
load time (s)0.514105
redirect count0
speed download527
server IP23.57.80.20


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