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:wpguru.co.uk/wp-content/uploads/2017/05/Parameters.gi...
site title:
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
Server nginx
Date Wed, 24 Oct 2018 05:33:06 GMT
Content-Type image/gif
Content-Length 300503
Last-Modified Mon, 30 Apr 2018 15:36:02 GMT
Connection keep-alive
ETag 5ae737e2-495d7
X-Powered-By PleskLin
Accept-Ranges bytes

Load Info

page size300503
load time (s)0.453528
redirect count0
speed download0
server IP207.254.52.237


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