If you use CSS your code needs to be correct. Improper code may cause unexpected results in how your page looks or functions. CSS helps speed up load times, and makes accessibility a lot more manageable.



W3C CSS Validator (World Wide Web Consortium)  This validator checks your css by either file upload, direct imput, or URI - one page at a time. This validator will tell you what and where each error is located if you have one.


The WDG CSS check validator lets you validate your css by direct imput, file upload, and URI. Errors will be listed by line and column numbers if you have any. errors usually come with links to explain the error.


Other sites have CSS validators and if you check the results you will find they come back from W3C validator service.

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