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:ajenti.org/static/home/img/screens/ajenti-v/4.pn...
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
Server nginx
Content-Type image/png
Last-Modified Wed, 20 Sep 2017 20:22:07 GMT
ETag 59c2cdef-d876
Content-Length 55414
Accept-Ranges bytes
Date Sun, 27 May 2018 03:11:38 GMT
X-Varnish 2109399583
Age 0
Via 1.1 varnish
Connection keep-alive

Load Info

page size55414
load time (s)0.04149
redirect count0
speed download0
server IP109.239.49.179


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