[[["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):2009-12-01。"],[[["Google has launched \"Site Performance,\" an experimental feature in Webmaster Tools that provides insights into website speed and offers suggestions for improvement."],["Site Performance data includes page load times, historical performance, comparisons to other sites, specific page examples, and Page Speed suggestions to reduce latency."],["The data used in Site Performance is gathered from Google Toolbar users who have opted into enhanced features, reflecting a global average load time."],["This feature is still in development and considered a Labs product; Google welcomes feedback through the Webmaster Tools Forum."],["Faster website speed leads to improved user retention and activity, increased revenue, and reduced costs."]]],[]]