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:www.coursera.org/courses?languages=en&query=Mozilla+FireFox%2C1800%2C261%2C3851+Mozilla+Firefox+support+phone+number+USA redirected to: www.coursera.org/courses?languages=en&query=Mozilla+FireFox%2C1800%2C261%2C3851+Mozilla+Firefox+support+phone+number+US...
favicon.ico:
URL does not point to a web page (html/xhtml) or read error or page not found. (410)
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/1.1 301 Moved Permanently
Server CloudFront
Date Tue, 22 Jan 2019 04:23:43 GMT
Content-Type text/html
Content-Length 183
Connection keep-alive
Location htt????/www.coursera.org/courses?languages=en&query=Mozilla+FireFox%2C1800%2C261%2C3851+Mozilla+Firefox+support+phone+number+USA
X-Cache Redirect from cloudfront
Via 1.1 15915c6842263dc42a906b5361d7d566.cloudfront.net (CloudFront)
X-Amz-Cf-Id LZOdPmuX-h3a7zewEfweoJ2NOilVlljS975WR0hrEhACdUrYovBJPg==
HTTP/1.1 410 Gone
Content-Type text/html
Content-Length 11711
Connection keep-alive
Date Tue, 22 Jan 2019 04:23:43 GMT
X-Cache Error from cloudfront
Via 1.1 eed7d9591f36cd4a3ae68df24cf888c0.cloudfront.net (CloudFront)
X-Amz-Cf-Id Sy4rUzZ9X0bhf74X4ntz8Sh_C1PATlFfnH2HLjU0adx8Avqur2RbgQ==

Meta Tags

title="Search Error"
name="viewport" content="width=device-width, initial-scale=1.0"

Load Info

page size11711
load time (s)4.984756
redirect count1
speed download2349
server IP54.230.187.181


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