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:64.media.tumblr.com/4b86fa267ca29ceb991da402f5f26441/f101b0cf438c9eff-b4/s30x30u_c1/fbf9cc5c90b7974a5af55d91c304f7ef9d186bf5.jp...
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
Server nginx
Date Tue, 11 May 2021 22:42:37 GMT
Content-Type image/jpeg
Content-Length 1185
Connection keep-alive
Last-Modified Fri, 06 Sep 2019 04:55:19 GMT
Etag e24607d5f0a1f4a589b45bf47e31c625-1498089600-f5a42ca
Content-Disposition inline; filename= tumblr_4b86fa267ca29ceb991da402f5f26441_fbf9cc5c_30.jpg
x-frames 1
Timing-Allow-Origin *
Cache-Control max-age=315360000
X-nc MISS cdg 8
Access-Control-Allow-Methods GET
Access-Control-Allow-Origin *
Access-Control-Max-Age 86400
Strict-Transport-Security max-age=31536000; preload

Load Info

page size1185
load time (s)0.185382
redirect count0
speed download6392
server IP192.0.77.3


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