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:analytics.twitter.com/i/adsct?txn_id=nwc7o&p_id=Twitter&tw_sale_amount=0&tw_order_quantity=0 redirected to: analytics.twitter.com/i/adsct?txn_id=nwc7o&p_id=Twitter&tw_sale_amount=0&tw_order_quantity=...
site title:
Url ContentGraphics Interchange Format
MIME Type / Internet Media Typeimage/gif
MIME Type image
File Extension.gif
More Details (link to:)Wikipedia: Graphics Interchange Format
Powered by: Very Tiny URL Shortener at https://vturl.net VeryTinyURL

Header

HTTP/1.1 301 Moved Permanently
content-length 0
date Fri, 20 Apr 2018 14:21:20 GMT
location htt????/analytics.twitter.com/i/adsct?txn_id=nwc7o&p_id=Twitter&tw_sale_amount=0&tw_order_quantity=0
server tsa_f
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set-cookie guest_id=v1%3A152423408032955481; Expires=Sun, 19 Apr 2020 14:21:20 UTC; Path=/; Domain=.twitter.com
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x-response-time 100
HTTP/1.1 200 OK
cache-control no-cache, no-store, must-revalidate, pre-check=0, post-check=0
content-encoding gzip
content-length 65
content-type image/gif;charset=utf-8
date Fri, 20 Apr 2018 14:21:20 GMT
expires Tue, 31 Mar 1981 05:00:00 GMT
last-modified Fri, 20 Apr 2018 14:21:20 GMT
pragma no-cache
server tsa_f
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set-cookie guest_id=v1%3A152423408048759142; Expires=Sun, 19 Apr 2020 14:21:20 UTC; Path=/; Domain=.twitter.com
status 200 OK
strict-transport-security max-age=631138519
x-connection-hash fee9584f0db0e427b282348c15062ebc
x-content-type-options nosniff
x-frame-options SAMEORIGIN
x-response-time 105
x-transaction 00175efc00232cb2
x-twitter-response-tags BouncerCompliant
x-xss-protection 1; mode=block; report=htt????/twitter.com/i/xss_report

Load Info

page size65
load time (s)0.228849
redirect count1
speed download0
server IP104.244.42.195


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