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.bigelowchemists.com/skin/frontend/default/default/images/opc-ajax-loader.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
Server Sucuri/Cloudproxy
Date Mon, 21 May 2018 01:28:47 GMT
Content-Type image/gif
Content-Length 1849
Connection keep-alive
Last-Modified Wed, 26 Aug 2015 14:40:19 GMT
Expires Thu, 31 Dec 2037 23:55:55 GMT
Cache-Control max-age=315360000
Accept-Ranges bytes
X-Sucuri-Cache MISS
X-XSS-Protection 1; mode=block
X-Frame-Options SAMEORIGIN
X-Content-Type-Options nosniff
X-Sucuri-ID 15018

Load Info

page size1849
load time (s)1.519066
redirect count0
speed download0
server IP192.124.249.68


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