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:pagead2.googlesyndication.com/pagead/js/r20171129/r20170110/show_ads_impl.j...
site title:


HTTP/1.1 200 OK
P3P policyref= htt???/www.googleadservices.com/pagead/p3p.xml , CP= NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC
Timing-Allow-Origin *
Vary Accept-Encoding
Date Thu, 18 Oct 2018 09:06:16 GMT
Expires Thu, 18 Oct 2018 09:06:16 GMT
Cache-Control private, max-age=1209600
Content-Type text/javascript; charset=ISO-8859-1
ETag 7592733533791538753
X-Content-Type-Options nosniff
Content-Disposition attachment; filename= f.txt
Content-Encoding gzip
Server cafe
Content-Length 74393
X-XSS-Protection 1; mode=block

Load Info

page size200564
load time (s)0.153818
redirect count0
speed download483643
server IP216.58.204.226

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