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:d2b7mii36yxg1t.cloudfront.net/img/NL.gi...
Url ContentGraphics Interchange Format
MIME Type / Internet Media Typeimage/gif
MIME Type image
File Extension.gif
More Details (link to:)Wikipedia: Graphics Interchange Format
Powered by: Very Tiny URL Shortener at https://vturl.net VeryTinyURL

Header

HTTP/1.1 200 OK
Content-Type image/gif
Content-Length 360
Connection keep-alive
Cache-Control max-age=31536000,Public
Last-Modified Fri, 15 Aug 2014 13:51:11 GMT
Accept-Ranges bytes
ETag edfe1cf98fb8cf1:0
P3P CP= IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT
X-FRAME-OPTIONS DENY
Strict-Transport-Security max-age=31536000
Date Fri, 10 Nov 2017 07:05:20 GMT
Age 2906399
X-Cache Hit from cloudfront
Via 1.1 5b57906dd14eaff78d7273fbad3ab00e.cloudfront.net (CloudFront)
X-Amz-Cf-Id Vpy_7fBNJy2gu-hTXm4CM7-bLrpzjf4NL4infqALBgDUjLdJecoY3A==

Load Info

page size360
load time (s)0.036648
redirect count0
speed download0
server IP13.32.66.129


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