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:static.c.photoshelter.com/ps-mkt/img/core/cs-headshots-115239DSC_1673-core-group.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
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Header

HTTP/1.1 200 OK
Accept-Ranges bytes
Cache-Control max-age=86400
Content-Type image/jpeg
Date Wed, 17 Oct 2018 21:36:59 GMT
Etag 802896927
Expires Thu, 18 Oct 2018 21:36:59 GMT
Last-Modified Fri, 18 May 2018 21:56:25 GMT
Server EOS (vny002/B298)
Content-Length 174540

Load Info

page size174540
load time (s)4.512274
redirect count0
speed download0
server IP152.195.39.79


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