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HomeWeb Front-endHTML TutorialAkamai 新版 Ion 解决重大移动效能挑战_html/css_WEB-ITnose

内容递送网络(content delivery network,CDN)服务厂商 Akamai Technologies, Inc. 21 日发布旗舰级 Web Performance Solution(网络效能解决方案) Akamai Ion 的多项重大升级。Ion 能够加速网站、网络应用程序和移动应用程序的递送,即使透过移动数据连线亦可执行。网站效能迟缓会降低客户满意度,让企业失去创造营收的机会。全新 Ion 可克服关键问题,让所有使用者都拥有更快速的体验。

Ion 的最佳化功能可因应目前新式网站的各项挑战。例如网站设计中常用的重叠样式表(Cascading Style Sheets,CSS)可能造成移动体验低落,因为网页的呈现必须等待 CSS 档案递送到浏览器。此外,越来越多的第三方内容,包含社交网络链接、广告和赞助内容,都可能造成效能瓶颈。采用新的网络通讯协定与标准如 HTTP/2, 意味着网站拥有者将内容递送给所有使用者时,无论使用者的浏览器是否支持这些通讯协定,都必须确保他们享有最佳体验。

为同时满足内容拥有者和使用者的需求,Ion 最近做了以下的功能改良:

增强移动效能──数个 Ion 新功能可提供更好、更一致的移动体验,以因应移动设备独有的挑战,例如移动数据连线与设备功能不足。 透过重新排列 CSS 档案顺序改善浏览体验,Ion 让移动设备使用者即使透过移动数据连线也能快速看到移动网页并开始互动。Edge-CSS 与 Critical-CSS 等功能能够利用 Akamai 遍布全球的运算平台,并与移动用户端搭配运作,让 CCS 档案以最合理的次序呈现。

Ion 亦加入预先连线功能,在浏览器要求连线前便提早与嵌入式第三方主机建立连线,避免嵌入式第三方 URL 成为网站效能的瓶颈。

透过进阶 HTTP/2 支持提高效能── Akamai 致力为更多使用者提供更好的线上体验。 因此,Akamai 对全体客户扩大 HTTP/2 的支持 ,这是首个针对新标准可提供如此广泛可用性的内容递送网络。

为协助所有使用者实现最佳体验,新版的 Ion 提供感知 HTTP/2 的前端最佳化(Front End Optimizations,FEO)功能。无论浏览器是否支持 HTTP/2,不需使用者自行设定,Ion 即可套用最合适的用户端效能。

让操作更简单──使用 Ion 整合以及反覆执行网站与应用程序时的便利性,与 Ion 可达成的效能同等重要。 Ion 让自行部署与设定具有成本效益的 SSL/TLS 凭证变得更简单。此外,Akamai 进一步改良 Ion 内建的实际使用者监视(Real User Monitoring,RUM)功能,其中包含一些新的报告,能让企业更容易监控效能变化。这些功能协助客户更加地了解其对网站所做的变更,将如何改善网站和应用程序的效能。

Akamai 网络体验事业单位资深副总裁暨总经理 Ash Kulkarni 表示:“网站持续演进,而我们的工作就是确保客户随时可以运用合适的工具和技术,将移动或其他设备的最佳体验递送到终端使用者手中。透过 Ion 来支持逐渐备受重视的“移动优先(mobile first)”概念,协助客户善用最新网络技术与通讯协定,例如 HTTP/2。此外,我们亦允许客户以最符合企业需求的方式与 Ion 进行互动。”

Ion 可帮助客户满足永远在线的使用者所带来之挑战。Ion 透过遍布全球的 Akamai 智能平台 (Akamai Intelligent Platform)为基础,能简化越来越复杂的网页和移动网站传递,藉由更高的可用性、安全性和延展性满足尖峰需求,提供更快速的使用体验。

(首图来源: Akamai )

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