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2. W3C Markup Validation Service - Wikipedia

   en.wikipedia.org/wiki/W3C_Markup_Validation_Service

   The Markup Validation Service is a validator by the World Wide Web Consortium (W3C) that allows Internet users to check pre-HTML5 HTML and XHTML documents for well-formed markup against a document type definition (DTD). Markup validation is an important step towards ensuring the technical quality of web pages.

3. Validator - Wikipedia

   en.wikipedia.org/wiki/Validator

   A validator is a computer program used to check the validity or syntactical correctness of a fragment of code or document. The term is commonly used in the context of validating HTML, [1] [2] CSS, and XML documents like RSS feeds, though it can be used for any defined format or language.

4. CSS HTML Validator - Wikipedia

   en.wikipedia.org/wiki/CSS_HTML_Validator

   CSS HTML Validator (previously named CSE HTML Validator) is an HTML editor and CSS editor for Microsoft Windows (and Linux and other Unix-like operating systems when used with Wine) that helps web developers create syntactically correct and accessible HTML/HTML5, XHTML, and CSS documents by locating errors, potential problems like browser compatibility issues, and common mistakes.

5. Fix security certificate error messages in Internet Explorer

   help.aol.com/articles/message-the-security...

   Seeing security certificate errors when visiting certain websites? Learn how to remedy this issue in Internet Explorer.

6. Online Certificate Status Protocol - Wikipedia

   en.wikipedia.org/wiki/Online_Certificate_Status...

   OCSP also remains a valid defense against situations where the attacker is not a "man-in-the-middle" (code-signing or certificates issued in error). The OCSP protocol assumes the requester has network access to connect to an appropriate OCSP responder.

7. Use AOL Official Mail to confirm legitimate AOL emails

   help.aol.com/articles/what-is-official-aol-mail

   AOL Mail is focused on keeping you safe while you use the best mail product on the web. One way we do this is by protecting against phishing and scam emails though the use of AOL Official Mail. When we send you important emails, we'll mark the message with a small AOL icon beside the sender name.

8. Extended Validation Certificate - Wikipedia

   en.wikipedia.org/wiki/Extended_Validation...

   The legal entity names are not unique, therefore an attacker who wants to impersonate an entity might incorporate a different business with the same name (but, e.g., in a different state or country) and obtain a valid certificate for it, but then use the certificate to impersonate the original site.

9. Philippines woos neighbours to craft code on South China Sea

   www.aol.com/news/philippines-eyes-codes-conduct...

   MANILA (Reuters) -The Philippines has approached neighbours such as Malaysia and Vietnam to discuss a separate code of conduct regarding the South China Sea, its president said on Monday, citing ...