Question

What are proprietary tags?
Tags that work only on certain browsers
Tags that displayed copyright information
Tags used to define ownership of the
content​

Answer 1

Answer:

Some browsers incorporate proprietary HTML tags; that is, they only work in that particular browser. ... This means that these proprietary tags will display properly only in IE or possibly some other browsers.

Answer 2

Proprietary tags are certain HTML tags that only work on certain browsers

• These are additional functions developed by individual developers and are not a part of the base HTML language of code
• These tags can help provide a browser with increased functionality and potentially be used to entice users towards a certain product over the other
• It is generally recommended that developers use as many standard tags for their platform as possible, to offer the widest user base, since proprietary tags may sometimes lead to the presence of incompatibility across various platforms
• Examples of proprietary tags include the <blink>, <font>, and <marquee> tags

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