HTML

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HTML Validators

    by web url · by file upload · by direct input
    validation help · why validate?
 

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HTML Tutors & Reference

    Web Hut:   HTML Tutors & Reference
    W3 SChools:   HTML Tutor · HTML Reference
    HTML Dog Reference
    Sitepoint Reference
    Web Code Examples
    Character Reference Chart
 

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Misc.

    TryIt Editor
    Web Usage Stats

    CSS

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CSS Validators

    by web url · by file upload · by direct input
    validation help · why validate?
 

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CSS Tutors & Reference

    Web Hut:   CSS Tutors & Reference
    W3 Schools:   CSS Tutor · CSS Reference
    Sitepoint CSS Reference
    YouTube Tutor

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    CSS Layout     CSS Positioning
    google guidelines: feed the bot

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    CSS Properties in JavaScript
 

Interface and Design

    SitePoint
    Smashing Magazine
    ZenGarden Design (css)