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.actualite-entrepreneur.fr/wp-content/uploads/sites/42/2017/03/internet3-590x401_1.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
Date Sat, 23 Jun 2018 15:46:53 GMT
Server Apache
Last-Modified Wed, 01 Mar 2017 09:17:22 GMT
ETag 167f0-549a7c7affa95
Accept-Ranges bytes
Content-Length 92144
Connection close
Content-Type image/jpeg

Load Info

page size92144
load time (s)1.513606
redirect count0
speed download0
server IP176.31.218.47


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