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.headfirstlabs.com/Images/modules/testdrive_solid.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


HTTP/1.1 200 OK
Date Wed, 25 Apr 2018 03:01:31 GMT
Server Apache
X-Content-Type-Options nosniff
Last-Modified Wed, 30 Jan 2008 21:57:45 GMT
ETag 1fe096d-be7-444f7a18fa840
Accept-Ranges bytes
Content-Length 3047
Cache-Control max-age=0
Expires Wed, 25 Apr 2018 03:01:31 GMT
Content-Type image/gif

Load Info

page size3047
load time (s)4.71334
redirect count0
speed download0
server IP65.212.180.43

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