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:media-cdn.tripadvisor.com/media/photo-s/03/31/91/f7/getlstd-property-photo.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
Accept-Ranges bytes
Access-Control-Allow-Origin *
Cache-Control max-age=2592000
Content-Type image/jpeg
Date Wed, 15 Aug 2018 08:58:36 GMT
Etag 9ae530efa686582fd8142d59ce031d06
Last-Modified Sat, 21 Dec 2013 05:49:28 GMT
Server ECAcc (dcc/42BC)
Timing-Allow-Origin htt????/www.tripadvisor.com
X-Cache HIT
X-Media-CDN 282112505
X-Media-CDN-Cache PASS
X-Media-CDN-Cache-Hits 0
Content-Length 40878

Load Info

page size40878
load time (s)0.061596
redirect count0
speed download0
server IP68.232.34.11


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