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:alltrails.com:44...
favicon.ico:
URL does not point to a web page (html/xhtml) or read error or page not found. (400)

Header

HTTP/1.1 400 Bad Request
Server CloudFront
Date Tue, 24 Nov 2020 21:23:10 GMT
Content-Type text/html
Content-Length 915
Connection close
X-Cache Error from cloudfront
Via 1.1 93cfeed105500c4613cee2ee99f5f9a7.cloudfront.net (CloudFront)
X-Amz-Cf-Pop LHR52-C1
X-Amz-Cf-Id Ssy5g6ekMI2oCymJMwP1lAEZa0MOCdDl_h9vyl056FIZMn1ml_xg7A==

Meta Tags

title="ERROR: The request could not be satisfied"
http-equiv="Content-Type" content="text/html; charset=iso-8859-1"

Load Info

page size915
load time (s)0.037762
redirect count0
speed download24230
server IP13.227.170.64


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