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:s7.addthis.com/static/btn/sm-share-en.gi...
favicon.ico:
URL does not point to a web page (html/xhtml) or read error or page not found. (5002)

Header

HTTP/1.1 200 OK
Content-Type image/gif
Content-Length 325
Last-Modified Tue, 25 Jun 2019 19:16:58 GMT
ETag 5d12732a-145
Timing-Allow-Origin *
Cache-Control public, max-age=86313600
Accept-Ranges bytes
Date Thu, 22 Apr 2021 15:34:39 GMT
Connection keep-alive
X-Host s7.addthis.com

Load Info

page size325
load time (s)0.143088
redirect count0
speed download2271
server IP104.80.20.125


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