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:static.tacdn.com/img2/generic/site/loading_anim_gry_sml.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

Header

HTTP/1.1 200 OK
Accept-Ranges bytes
Cache-Control max-age=2592000
Content-Type image/gif
Date Sat, 23 Jun 2018 19:18:40 GMT
Expires Mon, 23 Jul 2018 19:18:40 GMT
Last-Modified Mon, 25 Feb 2013 22:00:08 GMT
Server ECS (pox/A5D9)
Timing-Allow-Origin htt????/www.tripadvisor.com
X-Cache HIT
Content-Length 974

Load Info

page size974
load time (s)0.0611
redirect count0
speed download0
server IP68.232.35.198


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