Z.cn Site Title
亚马逊-网上购物商城：要网购, 就来Z.cn!
Z.cn Meta Description
亚马逊中国（z.cn）坚持“以客户为中心”的理念，秉承“天天低价，正品行货”信念，销售电脑、数码家电、母婴百货、服饰箱包等上千万种来自英美日德的四国产品。支持海外直邮到家，致力于为中国消费者提供便利、快捷的海淘体验。
Z.cn Test Results
z.cn Mobile Usability: 98/100
Quick overview:
Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target
<a id="nav-logobar-greeting" href="https://www.am…avm_hdr_signin" class="nav-a">登录</a> is close to 1 other tap targets .
...
z.cn Mobile Speed: 52/100
Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 3 blocking CSS resources. This causes a delay in rendering your page.
Approximately 29% of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Optimize CSS Delivery of the following:
https://images-cn.ssl-images-amazon.com/images/I/51t2PAKig3L.css?AUIClients/NavAuiMobileAssetsSmart
...
Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://z.cn/
...
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://fls-cn.amazon.cn/1/batch/1/OP/AAHKV2X7AFYLW:457-9803379-4150967:9F6KHDW15ENQPVQ6P04X$uedata=s:%2Fgp%2Fhomepage.html%2Fuedata%2Funsticky%2F457-9803379-4150967%2FGateway%2Fntpoffrw%3Fld%26v%3D0.814.0%26id%3D9F6KHDW15ENQPVQ6P04X%26bf%3Ddall_1-dcm_1-xhr_1-qs_1-ael_1-atob_1-pjs_0-njs_0-cjs_0-rhn_0-sel_0-chrm_0-plg_0-no_0-%26m%3D1%26sc%3D9F6KHDW15ENQPVQ6P04X%26ue%3D3%26bb%3D31%26ns%3D42%26cf%3D71%26be%3D94%26ne%3D101%26af%3D106%26pc%3D108%26tc%3D0%26na_%3D0%26ul_%3D-1495516249799%26_ul%3D-1495516249799%26rd_%3D-1495516249799%26_rd%3D-1495516249799%26fe_%3D59%26lk_%3D59%26_lk%3D59%26co_%3D59%26_co%3D59%26sc_%3D-1495516249799%26rq_%3D59%26rs_%3D59%26_rs%3D67%26dl_%3D68%26di_%3D565%26de_%3D565%26_de%3D565%26_dc%3D1049%26ld_%3D1049%26_ld%3D-1495516249799%26ntd%3D-2%26ty%3D0%26rc%3D0%26hob%3D1%26hoe%3D6%26ld%3D111%26t%3D1495516249910%26ctb%3D1%26rt%3Dcf%3A0-0-0-0-0-0-0_af%3A0-0-0-0-0-0-0_ld%3A0-0-0-0-0-0-0%26csmtags%3Daui%7Caui%3Aaui_build_date%3A3.17.8.3-2017-05-13%7CgwImgNoCached%7Cfls-cn%7CnetInfo%3Aother%7CpageEncoding%3AUTF-8%26viz%3Dvisible%3A2%26pty%3Dgateway-phone-web%26spty%3Dsmartphone-card%26pti%3Dmobile%26tid%3D9F6KHDW15ENQPVQ6P04X%26aftb%3D1:112 (expiration not specified)
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 125.1KiB (56% reduction).
Compressing https://images-cn.ssl-images-amazon.com/images/G/28/jiayu/20170523-DOTD-kids-500500.jpg could save 38.9KiB (69% reduction).
...
Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
Only about 46% of the final above-the-fold content could be rendered with the full HTML response .
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