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:econom.uu.ru/?a%5B%5D=/etc/passw...
site title:phpinfo()
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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HTTP/1.1 200 OK
Date Sun, 18 Aug 2019 01:43:36 GMT
Server Apache/2.4.35 (Unix) OpenSSL/1.1.0c
X-Powered-By PHP/5.0.3
Vary Accept-Encoding,User-Agent
Content-Encoding gzip
Content-Length 5949
Content-Type text/html; charset=windows-1251

Load Info

page size37455
load time (s)1.698626
redirect count0
speed download3502
server IP195.54.2.18

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