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:burpple-2.imgix.net/boxes/image/50-tmguide_seahimfoodctr-png_509765_original?w=268&fit=crop&q=8...
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/1.1 200 OK
Cache-Control public,max-age=31536000
Last-Modified Thu, 19 Apr 2018 17:25:57 GMT
Server imgix-fe
Accept-Ranges bytes
Date Thu, 19 Apr 2018 17:25:58 GMT
Age 0
Connection keep-alive
Content-Type image/png
X-Content-Type-Options nosniff
X-Served-By cache-lax8651-LAX, cache-cdg8729-CDG
X-Cache MISS, MISS
Transfer-Encoding chunked

Load Info

load time (s)1.326502
redirect count0
speed download0
server IP151.101.120.188

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