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  2. List of HTTP status codes - Wikipedia

    https://en.wikipedia.org/wiki/List_of_HTTP_status_codes

    An expansion of the 400 Bad Request response code, used when a client certificate is required but not provided. 497 HTTP Request Sent to HTTPS Port. An expansion of the 400 Bad Request response code, used when the client has made a HTTP request to a port listening for HTTPS requests. 499 Client Closed Request.

  3. HTTPS - Wikipedia

    https://en.wikipedia.org/wiki/HTTPS

    Hypertext Transfer Protocol Secure (HTTPS) is an extension of the Hypertext Transfer Protocol (HTTP). It uses encryption for secure communication over a computer network, and is widely used on the Internet. [1][2] In HTTPS, the communication protocol is encrypted using Transport Layer Security (TLS) or, formerly, Secure Sockets Layer (SSL).

  4. Wikipedia - Wikipedia

    https://en.wikipedia.org/wiki/Wikipedia

    Wikipedia began as a complementary project for Nupedia, a free online English-language encyclopedia project whose articles were written by experts and reviewed under a formal process. [ 20 ] It was founded on March 9, 2000, under the ownership of Bomis, a web portal company.

  5. What to Know About Patient Portals - WebMD

    https://www.webmd.com/a-to-z-guides/patient-portals-overview

    A patient portal is a secure website set up by a health care system, hospital, or clinic. The tools (or features) vary, depending on the portal. Patient portals can help you access medical records ...

  6. Outlook on the web - Wikipedia

    https://en.wikipedia.org/wiki/Outlook_on_the_web

    Outlook on the web (formerly Outlook Web App and Outlook Web Access [2]) is a personal information manager web app from Microsoft. It is a web-based version of Microsoft Outlook , and is included in Exchange Server and Exchange Online (a component of Microsoft 365 .) [ 3 ] [ 4 ] [ 5 ]

  7. History of the World Wide Web - Wikipedia

    https://en.wikipedia.org/wiki/History_of_the_World_Wide_Web

    t. e. The World Wide Web ("WWW", "W3" or simply "the Web") is a global information medium that users can access via computers connected to the Internet. The term is often mistakenly used as a synonym for the Internet, but the Web is a service that operates over the Internet, just as email and Usenet do.

  8. World Wide Web - Wikipedia

    https://en.wikipedia.org/wiki/World_Wide_Web

    The World Wide Web (WWW or simply the Web) is an information system that enables content sharing over the Internet through user-friendly ways meant to appeal to users beyond IT specialists and hobbyists. [1] It allows documents and other web resources to be accessed over the Internet according to specific rules of the Hypertext Transfer ...

  9. List of S&P 500 companies - Wikipedia

    https://en.wikipedia.org/wiki/List_of_S&P_500_companies

    The S&P 500 is a stock market index maintained by S&P Dow Jones Indices.It comprises 503 common stocks which are issued by 500 large-cap companies traded on American stock exchanges (including the 30 companies that compose the Dow Jones Industrial Average).