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
Content-Type image/jpeg
ETag 9ae530efa686582fd8142d59ce031d06
Last-Modified Fri, 28 Mar 2014 01:33:17 GMT
Cache-Control max-age=2592000
X-Media-CDN 335772123
X-Media-CDN-Cache PASS
X-Media-CDN-Cache-Hits 0
Access-Control-Allow-Origin *
Timing-Allow-Origin htt????/www.tripadvisor.com
Via 1.1 varnish
Fastly-Debug-Digest f2020ae6c7020c47e6660517ba75b5bd37fe575a31a80c8e286436bfce141e2c
Content-Length 40878
Accept-Ranges bytes
Date Sat, 23 Jun 2018 15:51:08 GMT
Via 1.1 varnish
Age 798885
Connection keep-alive
X-Served-By cache-iad2133-IAD, cache-cdg20738-CDG
X-Cache HIT, HIT
X-Cache-Hits 1, 15
X-Timer S1529769068.181582,VS0,VE0

Load Info

page size40878
load time (s)1.510692
redirect count0
speed download0
server IP151.101.122.38


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