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:duo3.kvetinas.bz/preview.htm...
favicon.ico:
site title:ULTRA HOT PREVIEW
Url ContentHyperText Markup Language (HTML)
MIME Type / Internet Media Typetext/html
MIME Type text
File Extension.html
More Details (link to:)Wikipedia: HTML
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Header

HTTP/1.1 200 OK
Server nginx/1.10.2
Date Sat, 23 Jun 2018 19:42:26 GMT
Content-Type text/html
Content-Length 2531
Connection keep-alive
Last-Modified Tue, 30 Jan 2018 18:23:26 GMT
ETag 2456-564027568ea94-gzip
Accept-Ranges bytes
Vary Accept-Encoding,User-Agent
Content-Encoding gzip

Meta Tags

title="ULTRA HOT PREVIEW"
charset="utf-8"

Load Info

page size9302
load time (s)0.166105
redirect count0
speed download15237
server IP185.174.172.177


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