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.androidhive.info/wp-content/uploads/2017/12/android-user-activity-recognition-still-walking-running-driving-110x73.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
Powered by: Very Tiny URL Shortener at https://vturl.net VeryTinyURL

Header

HTTP/1.1 200 OK
Server nginx/1.10.3 (Ubuntu)
Date Sun, 20 May 2018 21:36:43 GMT
Content-Type image/jpeg
Content-Length 2370
Last-Modified Mon, 18 Dec 2017 08:39:37 GMT
Connection keep-alive
ETag 5a377ec9-942
Expires Thu, 31 Dec 2037 23:55:55 GMT
Cache-Control max-age=315360000
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-XSS-Protection 1; mode=block
Accept-Ranges bytes

Load Info

page size2370
load time (s)0.271669
redirect count0
speed download0
server IP139.59.11.216


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