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Open Validator verifies and corrects many aspects of conformance of Web sites to standards of Internet best practices such as W3C WCAG and ISO/IEC 23026:2006 - Software Engineering - Recommended Practice for the Internet - Web Site Engineering, Web Site Management, and Web Site Life Cycle.

Features:

• Verification of a single page or entire web site at your option;
• HTML Validation against W3C DTDs and WHATWG (X)HTML5 pre-release schemas;
• Automatic checking and correction of many aspects of conformance to international best practices;
• Visualization of a snapshot with a given character encoding (the user agent is also chosen in order to present the specific version originally intended to be seen in a given web browser);
• Complete verification of links.
• Automatic correction of missing widths and heights of images to enable better responsiveness of web pages;
• Automatic correction of missing meta tags elements like default language and metadata;
• Support for web pages in Chinese, Japanese, Korean and many other languages.
• Performance optimization for multi-core processors.
• Validation during navigation.
• Application of standards during revalidation.
• Memory revalidation with no need to make all corrections of a web page at once (users may correct small portions of the code and see the results pressing F5).
• HTML Tidy accessibility check.
• Balloon tooltips for contextual help.
• Recursive validation for frames.
• Proxy support.
• Integrated web inspector with javascript debugger.
• Site map detection in 51 languages.
• Export reports to HTML
• Bypass selected paths when using recursive options