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:burpple.com/s...
favicon.ico:
URL does not point to a web page (html/xhtml) or read error or page not found. (403)
Url ContentHyperText Markup Language (HTML)
MIME Type / Internet Media Typetext/html
MIME Type text
File Extension.html
More Details (link to:)Wikipedia: HTML
Powered by: Very Tiny URL Shortener at https://vturl.net VeryTinyURL

Header

HTTP/1.1 403 Forbidden
Date Wed, 25 Apr 2018 02:29:04 GMT
Content-Type text/html; charset=UTF-8
Transfer-Encoding chunked
Connection close
Set-Cookie __cfduid=d490b26f8dc4e4845275e55be5e212fb31524623344; expires=Thu, 25-Apr-19 02:29:04 GMT; path=/; domain=.burpple.com; HttpOnly; Secure
CF-Chl-Bypass 1
Cache-Control max-age=2
Expires Wed, 25 Apr 2018 02:29:06 GMT
X-Frame-Options SAMEORIGIN
Server cloudflare
CF-RAY 410d613fe4fca84b-CDG
Content-Encoding gzip

Meta Tags

title="Attention Required! | Cloudflare"
name="captcha-bypass" id="captcha-bypass"
charset="UTF-8"
http-equiv="Content-Type" content="text/html; charset=UTF-8"
http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1"
name="robots" content="noindex, nofollow"
name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"

Load Info

page size5436
load time (s)0.024369
redirect count0
speed download78132
server IP104.25.71.4


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