[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2008-09-01。"],[[["Website visitors encounter 404 errors due to various reasons, including mistyped URLs, broken links, or deleted content."],["Google Webmaster Tools offers a widget to enhance custom 404 pages, providing suggestions to help visitors find the desired content."],["The 404 widget can suggest corrections to the URL, link to parent directories, offer a sitemap, and provide site search options."],["Webmasters can customize the appearance of the 404 widget using CSS, and this feature is currently experimental with ongoing improvements."]]],["Webmaster Tools added an \"Enhance `404` pages\" section to help visitors encountering `404` errors. This feature lets users embed a widget in custom `404` pages, providing suggestions to help find the correct content. The widget attempts to correct URLs and offers links to the parent subdirectory, a sitemap, and site search suggestions. Users can add this widget via a generated JavaScript snippet from Webmaster Tools and customize its appearance with CSS.\n"]]