DTD XHTML 1.0 过渡文档包含以下链接到 facebook 页面的编码 URL 示例
https://www.facebook.com/login.php?api_key=//////////////&skip_api_login=1&display=popup&social_plugin=like&external_page_url=http%3A%2F%2Fwww.facebook.com%2Fpages%2FSome-Name%2F237492089634567&next=http%3A%2F%2Fwww.facebook.com%2Fconnect%2Fuiserver.php%3F ethod%3Dopt.inlike%26app_id%3D127760087287645%26display%3Dpopup%26social_plugin%3Dlike%26secure%3Dfalse%26protocol%3Dhttp%253A%26external_page_url%3Dhttp%253A%252F%252Fwww.facebook.com%252Fpages%252FSome-Name%252F567892089644210%26from_login%3D1%26client_id%3D12773257237610&rcount=1
未经 W3C 等服务提供商提供的 html 验证工具验证
我是否应该遵循此指南来验证链接？
是否有其他替代方案可用于相同目的？