Warning: Use of undefined constant THUMBNAIL_SHORTCODE - assumed 'THUMBNAIL_SHORTCODE' (this will throw an Error in a future version of PHP) in /home/customer/www/5sec-validator.webfactoryltd.com/public_html/wp-content/plugins/image-sizes-manager/image-sizes-manager.php on line 75
5sec Validator - Validate your complete site with a single click.
  • a must have for any SEO aware webmaster
  • uses industry-standard validator from W3C
  • validate any post, page, category or custom page
  • detailed error and warnings reports

Login and test the plugin

  • validate your complete site in seconds
  • validate any URL – post, page, (custom) taxonomy or custom post type
  • detailed errors report for HTML
  • detailed errors and warnings report for every CSS file used
  • uses industry-standard validator from W3C
  • a must have for any SEO aware webmaster
  • improve your site’s SEO and speed
  • native WP GUI
  • famous 5sec concept from WebFactory – no setup, no configuration, no nonsense, no bullsh**