Title: w3.org Validation Issues Last modified: August 24, 2016 --- # w3.org Validation Issues * [sonyalynndesigns](https://wordpress.org/support/users/sonyalynndesigns/) * (@sonyalynndesigns) * [11 years, 1 month ago](https://wordpress.org/support/topic/w3org-validation-issues/) * Using this website to validate my website: [http://validator.w3.org/](http://validator.w3.org/) * I’m get this error related to this Simple Social Icons plugin: * Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073) * Is there a solution for this issue? * [https://wordpress.org/plugins/simple-social-icons/](https://wordpress.org/plugins/simple-social-icons/) Viewing 1 replies (of 1 total) * Plugin Contributor [Ron Rennick](https://wordpress.org/support/users/wpmuguru/) * (@wpmuguru) * [11 years, 1 month ago](https://wordpress.org/support/topic/w3org-validation-issues/#post-6046780) * From [http://lists.w3.org/Archives/Public/www-validator/2013May/0004.html](http://lists.w3.org/Archives/Public/www-validator/2013May/0004.html) * > > It is a warning, not an error message. A minimal document that triggers > > > the warning is > > > >  > > As far as I > can see, there is nothing in the HTML5 CR or in the WHATWG > Living HTML document > that justifies the warning. I cannot find any > statement about the allowed > set of characters in HTML serialization. For > XHTML serialization, generic > XML rules apply, and they do not disallow > Private Use characters (on the > contrary, the explicit rule for allowed > characters allows them, and there > is no recommendation against them either > in XML, as far as data characters > are considered). * If you really want to eliminate the warning use a different social icon plugin. Viewing 1 replies (of 1 total) The topic ‘w3.org Validation Issues’ is closed to new replies. * ![](https://ps.w.org/simple-social-icons/assets/icon.svg?rev=3358424) * [Simple Social Icons](https://wordpress.org/plugins/simple-social-icons/) * [Frequently Asked Questions](https://wordpress.org/plugins/simple-social-icons/#faq) * [Support Threads](https://wordpress.org/support/plugin/simple-social-icons/) * [Active Topics](https://wordpress.org/support/plugin/simple-social-icons/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/simple-social-icons/unresolved/) * [Reviews](https://wordpress.org/support/plugin/simple-social-icons/reviews/) ## Tags * [Validation error](https://wordpress.org/support/topic-tag/validation-error/) * 1 reply * 2 participants * Last reply from: [Ron Rennick](https://wordpress.org/support/users/wpmuguru/) * Last activity: [11 years, 1 month ago](https://wordpress.org/support/topic/w3org-validation-issues/#post-6046780) * Status: not resolved