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:www.999whereareyou.org/wp-content/uploads/2018/05/d_129843pr-150x150.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
Server nginx
Date Tue, 18 Jun 2019 11:55:52 GMT
Content-Type image/jpeg
Content-Length 8372
Connection keep-alive
Last-Modified Fri, 25 May 2018 07:41:06 GMT
ETag 2127-56d02e3fe2880-gzip
Accept-Ranges bytes
Cache-Control max-age=2592000
Expires Thu, 18 Jul 2019 11:55:52 GMT
Vary Accept-Encoding
Content-Encoding gzip

Load Info

page size8372
load time (s)3.817434
redirect count0
speed download0
server IP219.94.128.15


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