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  • Free

It is a tool for checking foreground and background color combinations of all DOM elements and determining if they provide sufficient contrast when viewed by someone having color..

CheckMyColors

TOOL SCORE

68 %

  • Free

The W3C CSS Validation Service is a free software tool created by the W3C to help Web designers and Web developers check Cascading Style Sheets (CSS). ..

The W3C CSS Validation Service

TOOL SCORE

64 %

  • Free

The W3C Markup Validation Service is a tool that allows you to check the markup validity of Web documents in HTML, XHTML. ..

The W3C Markup Validation Service

TOOL SCORE

63 %