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.litmir.me/data/Book/0/597000/597321/BC4_1510900210.jp...
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
Date Wed, 13 Dec 2017 22:20:19 GMT
Content-Type image/jpeg
Content-Length 23833
Connection keep-alive
Set-Cookie __cfduid=d2b49edc466578691ae3fe22d6a60ad501513203619; expires=Thu, 13-Dec-18 22:20:19 GMT; path=/; domain=.litmir.me; HttpOnly
Last-Modified Fri, 17 Nov 2017 06:30:10 GMT
ETag 5d19-55e27de563265
CF-Cache-Status MISS
Vary Accept-Encoding
Expires Thu, 13 Dec 2018 22:20:19 GMT
Cache-Control public, max-age=31536000
Accept-Ranges bytes
Server cloudflare-nginx
CF-RAY 3ccc4f5f300e3c05-CDG

Load Info

page size23833
load time (s)0.150529
redirect count0
speed download0
server IP104.20.71.250


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