[[["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."]]],["Webmaster Tools launched a Site Performance feature, displaying site speed information and improvement suggestions. This feature shows page load times, historical performance, and comparisons with other sites. The data is gathered from Google Toolbar users who opted-in. It's a development product, and feedback is encouraged through the Webmaster Tools Forum. The goal is to make the web faster, with data-backed, actionable speed information for users. Further updates about this feature were provided in JohnMu's recent post.\n"]]