The DOCTYPE html marker must be placed in the first position of HTML documents and sub-pages. The DOCTYPE tag lets you specify the syntax and grammar you are using. Browsers know immediately what type of document it is. Lack of markup may cause website display issues. Find out everything you need to know about DOCTYPE html here.

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What does “RTFM” mean? Origin and use of the abbreviation
Abbreviations like “LOL” are extremely popular on the internet. In this article, discover with us the meaning of the abbreviation “RTFM”, its origin and its